
Yu Lin Zhong- Chemistry
- Professor at Griffith University
Yu Lin Zhong
- Chemistry
- Professor at Griffith University
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118
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Introduction
Prof Yulin Zhong completed his B.Appl.Sc.(Hons) and PhD in Chemistry at the National University of Singapore (NUS). He did his post-doctoral training at Princeton University (2009) and Massachusetts Institute of Technology (2011). In 2016, he started as a Senior Lecturer at Griffith University and awarded the ARC Future Fellowship in 2020. His research group interests include electrochemical production of 2D nanomaterials and 3D printing of energy storage and wearable devices.
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Education
August 2005 - July 2009
Publications
Publications (118)
To move beyond an energy economy dominated by fossil fuel utilization, high‐performance electrochemical cells must be designed for energy storage and conversion. Selective etching is a promising, cost‐effective solution‐processing method for the large‐scale top‐down production of nanomaterials for high‐performance electrodes. This review outlines g...
Perovskite solar cells (PSCs) have demonstrated remarkable increase in their photovoltaic efficiencies over the past several years. Charge carrier properties including charge selectivity, extraction, and transport play key roles in device performances. Therefore, a comprehensive insight into the charge carrier dynamics and mobility within the bulk...
Exploration of efficient and robust catalysts for electrocatalytic water splitting is paramount yet challenging for economical hydrogen production. Here, nanoforest-like heterostructures composed of inner NiMoS4 nanowires and outer Cr-doped Co3S4 nanosheets were grown on nickel foams (Cr–Co3S4/NiMoS4) as highly efficient bifunctional electrocatalys...
Bulk black phosphorous (bP) exhibits excellent infrared (IR) optoelectronic properties, but most reported bP IR photodetectors are fabricated from single exfoliated flakes with lateral sizes of < 100 µm. Here, scalable thin films of bP suitable for IR photodetector arrays are realized through a tailored solution‐deposition method. The properties of...
Carbon-based perovskite solar cells (c-PSCs) have attracted increasing attention due to their numerous advantages including ease of fabrication, the potential of assembling flexible devices, low manufacturing costs as well as large-scale production. However, c-PSCs suffer from the limited hole extraction and high charge carrier recombination due to...
This comprehensive review provides a deep exploration of the unique roles of single atom catalysts (SACs) in photocatalytic hydrogen peroxide (H 2 O 2 ) production. SACs offer multiple benefits over traditional catalysts such as improved efficiency, selectivity, and flexibility due to their distinct electronic structure and unique properties. The r...
Controlled functionalization of 2D black phosphorus (BP) nanosheets provides unique opportunities to tune their chemical, physical, and electronic properties. Herein, the preparation of single-atom nickel-doped BP (Ni–BP) sheets using a simple solution-based strategy is reported. Using the Ni–BP sheets as a passivation layer on top of a perovskite...
Zinc ion batteries (ZIBs) have recently attracted tremendous interest for being low‐cost, environmentally benign, and high energy density. However, the large‐scale practical application of ZIBs is hampered by well‐known undesirable dendrite growth and serious side reactions of the Zn anode during the long‐term cycling process. Herein, a multifuncti...
This review emphasizes the pivotal role of etching strategies in refining structures and properties crucial to photocatalysis, a sustainable solution for energy and environmental remediation. As fossil fuel‐related environmental concerns rise, photocatalysis emerges as a vital alternative. Yet, maximizing its efficacy is an ongoing challenge. Etchi...
High energy and power density alkali‐ion (i.e., Li⁺, Na⁺, and K⁺) batteries (AIBs), especially lithium‐ion batteries (LIBs), are being ubiquitously used for both large‐ and small‐scale energy storage, and powering electric vehicles and electronics. However, the increasing LIB‐triggered fires due to thermal runaways have continued to cause significa...
Lithium‐sulfur (Li‐S) batteries have been regarded as promising next‐generation energy storage systems due to their high energy density and low cost, but their practical application is hindered by inferior long‐cycle stability caused by the severe shuttle effect of lithium polysulfides (LiPSs) and sluggish reaction kinetics. This study reports a La...
Renewable and low-cost biomass is an ideal sustainable alternative to petroleum-based resources, but producing biomass-based carbon electrode with high performances remains a challenge. Herein, we propose a facile self-assembly strategy to fabricate a biomass-derived N, S co-doping carbon electrode from lignosulfonate without any activation or temp...
Ruthenium-Cobalt photocatalytic system (RCPS) is one of the most prominent candidates for integrating homocatalysis and heterocatalysis, which has recently attracted extensive research attention for photocatalytic CO2 reduction reaction (PCO2RR). In RCPS, the coordination environment of the catalytic site and the efficiency of electron transfer can...
Maintaining a steady affinity between gallium-based liquid metals (LM) and polymer binders, particularly under continuous mechanical deformation, such as extrusion-based 3D printing or Zn2+ plating/stripping, is very challenging. Here, a LM-initialized polyacrylamide-hemicellulose/EGaIn microdroplets hydrogel is used as a multifunctional ink to 3D-...
Perovskite solar cells (PSCs) have attracted a great deal of attention from the photovoltaic (PV) community because of their remarkable performance, low production cost, and high potential to be integrated into other optoelectronic applications. Despite their promise, the challenges associated with their operational stability have drawn increasing...
One of the most unique properties of two‐dimensional carbides and nitrides of transition metals (MXenes) is their excellent water dispersibility and yet possessing superior electrical conductivity but their industrial‐scale application is limited by their costly chemical synthesis methods. In this work, the niche feature of MXenes was capitalized i...
Organic/inorganic metal halide perovskites attract substantial attention as key materials for next-generation photovoltaic technologies due to their potential for low cost, high performance, and solution processability. The unique properties of perovskites and the rapid advances that have been made in solar cell performance have facilitated their i...
Excellent bifunctional oxygen reduction reaction (ORR)/oxygen evolution reaction (OER) activity and rapid mass transport capability are two important parameters of electrocatalysts for high‐performance rechargeable Zn–air batteries (ZABs). Herein, an efficient atomic modulation and structure design to promote bifunctional activity and mass transpor...
Aqueous Zn-ion batteries (AZIBs), being safe, inexpensive, and pollution-free, are a promising candidate for future large-scale sustainable energy storage. However, in a conventional AZIBs setup, the Zn metal anode suffers oxidative corrosion, side reactions with electrolytes, disordered dendrite growth during operation, and consequently low effici...
Semiconductor‐based photocatalytic solar‐to‐fuel conversion has been extensively proven to be an appealing strategy for achieving carbon‐neutral and green‐hydrogen production. However, almost all semiconductors exhibit the unsatisfactory photocatalytic performance due to insufficient surface active sites, weak selectivity and fast charge‐carrier re...
Single‐atoms (SAs) supported on various substrates have emerged as a new form of electrocatalysts for hydrogen evolution reaction (HER). The exfoliated MXenes possess rich defects/vacancies and surface oxygen groups, can be favorably utilized to anchor SAs. Here, we take advantage of the exfoliated Ti3C2Tx to anchor Ru‐SAs on Ti3C2Tx through a wet‐...
Two-dimensional (2D) material-based hydrogels have been widely utilized as the ink for extrusion-based 3D printing in various electronics. However, the viscosity of the hydrogel ink is not high enough to maintain the self-supported structure without architectural deformation. It is also difficult to tune the microstructure of the printed devices us...
One of the most unique properties of two-dimensional carbides and nitrides of transition metals (MXenes) is their excellent water dispersibility and yet possessing superior electrical conductivity but their industrial-scale application is limited by their costly chemical synthesis methods. In this work, the niche feature of MXene was capitalized in...
One of the most unique properties of two-dimensional carbides and nitrides of transition metals (MXenes) is their excellent water dispersibility and yet possessing superior electrical conductivity but their industrial-scale application is limited by their costly chemical synthesis methods. In this work, the niche feature of MXene was capitalized in...
From Oxidized 2D Antimonene to Photoactive Sb2S3 In article number 2200038, Joseph G. Shapter, Munkhbayar Batmunkh, and co‐workers converted surface‐oxidized 2D antimonene sheets to photoactive Sb2S3 light absorber for highly stable solar cells. Highly crystalline Sb2S3 thin films with large grain sizes are obtained by subsequent annealing steps in...
Three‐dimensional (3D) printing has gained popularity in a variety of applications, particularly in the manufacture of wearable devices. Aided by the large degree of freedom in customizable fabrication, 3D printing can cater towards the practical requirements of wearable devices in terms of light weight and flexibility. In particular, this focus re...
Heterogeneous photocatalytic hydrogen production (photocatalytic hydrogen evolution reaction, PCHER) provides a promising pathway to directly harvest and convert clean intermittent solar energy into storable chemical fuel. PCHER endows lower fabrication and setup cost than the photoelectrochemical (PEC) or photovoltaic–electrocatalytic (PV–EC) devi...
Two‐dimensional (2D) materials have shown great promise in various applications including solar cells, but their use as light harvesting active layers in photovoltaic (PV) devices is limited. Herein, surface oxidized antimonene sheets are prepared using a liquid‐phase exfoliation method and employed as an active light absorber material after functi...
Rechargeable aqueous zinc‐ion batteries (ZIBs) are promising in stationary grid energy storage due to their advantages in safety and cost‐effectiveness, and the search for competent cathode materials is one core task in the development of ZIBs. Herein, the authors design a 2D heterostructure combining amorphous vanadium pentoxide and electrochemica...
Graphene and related elemental 2D materials have become core materials in nanotechnology and shown great promise for industrially important electrocatalysis reactions. Although excellent progress has been made over the past few years, research into the field of elemental 2D materials beyond graphene is still at an early stage. Importantly, recent r...
2D‐layered materials have attracted increasing attention as low‐cost supports for developing active catalysts for the hydrogen evolution reaction (HER). In addition, atomically thin Ti3C2Tx (MXene) nanosheets have surface termination groups (Tx: F, O, and OH), which are active sites for effective functionalization. In this work, heteroatom (boron)‐...
Photosensitized heterogeneous CO2 reduction (PHCR) has emerged as a promising means to convert CO2 into valuable chemicals, however, challenged by the relatively low carbonaceous product selectivity caused by the competing hydrogen evolution reaction (HER). Here, we report a PHCR system that couples Ru(bpy)32+ photosensitizer with {001} faceted LiC...
Sb2S3 is an attractive solar absorber material that has garnered tremendous interest because of its fascinating properties for solar cells including suitable band gap, high absorption coefficient, earth abundance, and excellent stability. Over the past several years, intensive efforts have been made to enhance the photovoltaic efficiencies of Sb2S3...
In this work, we present a facile yet effective method to prepare boron-doped, highly reduced electrochemical graphene oxide (B-rEGO) using electrochemical oxidation coupled with high-temperature thermal reduction. We first fabricated EGO from natural graphite powder in different concentrations of sulfuric acid electrolytes in a packed-bed reactor...
As an emergent 2D material, graphitic carbon nitride (g‐CN) has attracted much attention, featuring many photochemical applications and showing several advantages (e.g., low cost, earth‐abundance, and stability) over rare metals. Although most studies focus on the photoelectrochemical and photocatalytic applications of g‐CN, its unique photophysica...
Sodium-ion batteries (SIBs) are emerging as an inexpensive and more sustainable alternative to lithium-ion batteries in the energy storage market. To advance their commercialization, one major scientific undertaking is to develop low-cost, reliable anode materials from abundant resources, like the success of graphite in the lithium-ion batteries. H...
Platinum dichalcogenide (PtX 2), an emergent group-10 transition metal dichalcogenide (TMD) has shown great potential in infrared photonic and optoelectronic applications due to its layer-dependent electronic structure with potentially suitable bandgap. However, a scalable synthesis of PtSe 2 and PtTe 2 atomic layers with controlled thickness still...
Clean and sustainable energy is of paramount importance for industrial activities, economic development, environment, and welfare of civilians. As such, research on generation, storage, and application of clean energy is a central concern of both academia and industry. This collection addresses the pressing needs for sustainable technologies with r...
W18O49 nanowires (NWs)-reduced graphene oxide (rGO) nanocomposite is examined as a new active material for supercapacitors electrode, which reveals its high specific capacitance and excellent rate performance in AlCl3 aqueous electrolyte. Electrochemical studies show that the presence of rGO enhances Al3+ ions diffusion in the nanocomposite, thus p...
Lithium sulfur (Li-S) battery is considered as one of the most promising energy storage devices, because of its low cost, high energy density, and environmental friendliness. However, the practical applications of Li-S batteries have been hindered by a low utilization efficiency of sulfur arising from complicated chemical conversion of polysulfides...
An inorganic‐salt‐assisted synthesis of non‐metallic heteroatom (phosphorus and sulfur) co‐doped cobaltous oxide (P/S‐CoO) has been reported. Potassium sulphate (K2SO4) was used as inorganic source of sulfur (S), while triphenyl phosphine (PPh3) was used as phosphorus (P) source. A stepwise mechanistic investigation into the doping process revealed...
Graphene oxide (GO) is well known as a key material to the commercialization of graphene-based applications due to its excellent processability and abundant starting materials. However, producing high quality GO with excellent structural intactness still remains a challenge despite the significant research effort over the past decade. Herein, we de...
Perovskite‐based solar cells have attracted great attention due to their low cost and high photovoltaic (PV) performance. In addition to their success in the PV sector, there has been growing interest in employing perovskites in energy‐efficient smart windows and other building technologies owing to their large absorption coefficient and color tuna...
Energy-saving buildings have drawn increasing interest worldwide in the past 30 years, during which the growing population and expanding urbanization significantly increased the energy intensity of numerous cities. In the modern energy-saving buildings, smart windows are playing an important role in the efficient utilization of daylight and the int...
Defect engineering involves the manipulation of the type, concentration, mobility or spatial distribution of defects within crystalline structures and can play a pivotal role in transition metal oxides in terms of optimizing electronic structure, conductivity, surface properties and mass ion transport behaviors. And of the various transition metal...
This collection addresses the pressing needs for sustainable technologies with reduced energy consumption and environmental pollutions and the development and application of alternative sustainable energy to maintain a green environment and efficient and long-lasting energy supply. Contributors represent both industry and academia and focus on new...
Organic-inorganic hybrid perovskite solar cells (PSCs) have been rapidly evolving as a promising candidate for the next-generation photovoltaic technologies. P-type organics or polymers are generally used as hole transport materials (HTMs), which are expensive and non-sustainable for long-term applications. Herein, we demonstrate an inorganic Ni-Co...
Three-dimensional (3D) printing technology has been recognized as an emerging advanced fabrication technology in both industry and academia. Direct ink writing (DIW), a type of 3D printing technology, can build 3D structures through the deposition of custom-made inks, printing devices with complex architectures, excellent mechanical properties and...
Electrochemistry has emerged as a major route for graphene and graphene oxide synthesis from graphite. Anodic graphite oxidation is commonly used with dilute mineral acid or aqueous salt electrolytes. The electrolyte acid concentration appears to be a critical parameter in this system. However, the effect of the acid concentration, particularly at...
Electrochemistry has emerged as a major route for graphene and graphene oxide synthesis from graphite. Anodic graphite oxidation is commonly used with dilute mineral acid or aqueous salt electrolytes. In this system, the electrolyte acid concentration appears to be a critical parameter. However, the effect of the acid concentration, particularly at...
The intracellular delivery and functionalization of genetic molecules play critical roles in gene‐based theranostics. In particular, the delivery of plasmid DNA (pDNA) with safe nonviral vectors for efficient intracellular gene expression has received increasing attention; however, it still has some limitations. A facile one‐pot method is employed...
Highly selective photocatalytic CO2 reduction into CO and methane (CH4) by water vapor is achieved on an elaborately designed hollow spheres-based TiO2/SrTiO3 heterostructures. The synthesized three-dimensional hierarchical hollow multi-shelled TiO2/SrTiO3 spheres (HoMSs-TS) are an assembly of well-organized shells composed of interconnected anatas...
Formic acid (FA) is a promising reservoir for hydrogen storage and distribution. Its dehydrogenation releases CO2 as a by-product, which limits its practical application. A proof of concept for a bio-catalytic system that simultaneously combines the dehydrogenation of formic acid for H2, in-situ capture of CO2 and its re-hydrogenation to reform for...
Vanadium oxide (VOx) nanomaterials are promising candidates for energy storage devices, such as lithium‐ and sodium‐ion batteries and supercapacitors, in which many complicated structural designs and composite strategies are applied to harness the high theoretical capacity of these materials. Herein, a simple yet effective method to achieve improve...
Graphene oxide (GO) has drawn intense research interest over the past decade, contributing to remarkable progress in its relevant applications. The chemical production of GO, however, is challenged by destructive and slowly propagating oxidation, especially for large flake graphite. Herein, we report a simple but effective method to produce well-ox...
Advances in wearable, highly sensitive and multifunctional strain sensors open up new opportunities for the development of wearable human interface devices for various applications such as health monitoring, smart robotics and wearable therapy. Herein, we present a simple and cost-effective method to fabricate a multifunctional strain sensor consis...
Crosslinker-free electrochemically-derived graphene oxide membranes are found to be extraordinarily stable in aqueous solutions and exhibit superior ionic sieving performance because of their unique chemical structure.
Efficient nonprecious ORR and OER electrocatalysts are key for commercial viability of fuel cells, metal‐air batteries, and water‐splitting systems. In this regard, high‐performance ORR and OER electrocatalysts in acidic electrolytes are urgently needed to support high‐efficiency PEM‐based systems. Here, we report a new approach to design and fabri...
Efficient nonprecious ORR and OER electrocatalysts are key for commercial viability of fuel cells, metal‐air batteries, and water‐splitting systems. In this regard, high‐performance ORR and OER electrocatalysts in acidic electrolytes are urgently needed to support high‐efficiency PEM‐based systems. Here, we report a new approach to design and fabri...
In this study, electrodeposition of cobalt oxide (Co3O4) from spent lithium-ion batteries is successfully enhanced by the magnetic field effect. In the presence of magnetic field, well-defined hierarchical Co3O4 nanostructures with higher electroactive surface area are formed during the electrodeposition process. Electrochemical analysis shows that...
Herein, a novel carbazole derivative ((E)-2-(1-(9-butyl-9H-carbazol-3-yl)-3-(4-fluoro-phenyl)allylidene)malononitrile (3)) containing multi-cyan group and 4-fluoro-benzene unit was synthesized. This compound displayed aggregation-induced emission properties owning to the highly twisted conformation. It exhibited multi solid-state fluorescence emiss...
Discovering inexpensive and earth-abundant electrocatalysts to replace the scarce platinum group metal-based electrocatalysts holds the key for large-scale hydrogen fuel generation, which relies heavily on the theoretical understanding of the properties of candidate materials and their operating environment. The recent applications of the cobalt–di...
Perovskite material is one of the promising classes of redox catalysts for hydrogen production through two-step thermochemical H2O splitting. Herein, an analogue of La1-xCaxMnO3 perovskite was systematically investigated as a catalyst for thermochemical H2 evolution. The Ca doping level (x = 0.2, 0.4, 0.6, 0.8) and re-oxidation temperature were com...
The development of a facile method to construct a high-performance electrode is of paramount importance to the application of alkaline water electrolysis. Here, we report that the activity of nickel foam (NF) towards the oxygen evolution reaction (OER) can be enhanced remarkably through simple immersion in a ferric nitrate (Fe(NO3)3) solution at ro...
As a new generation of photovoltaics, perovskite solar cells (PSCs) have been intensively studies in recent years due to their high-efficiency, low-cost and ease of fabrication. For a typical high-performance PSC, electron transport layer (ETL) plays an important role in selectively extracting and transporting photo-generated electrons from perovsk...
Reproducible and in-depth studies of the electrochemical graphite intercalation and oxidation processes were carried out with the use of an electrochemical Tee-cell setup. The electrochemical method allowed simpler and greater controllability over the level of oxidation/functionalization, relative to the commonly employed chemical oxidation approac...
Cobalt pentlandite (Co9S8) has recently emerged as an alternative non-noble metal based electrocatalyst for the oxygen evolution reaction (OER). Co9S8 is known for its intrinsic structural and electronic properties favorable for electrocatalytic applications, but the synthesis of stoichiometrically optimal Co9S8 electrocatalysts remains challenging...
Cobalt pentlandite (Co9S8) has recently emerged as an alternative non-noble metal based electrocatalyst
for the oxygen evolution reaction (OER). Co9S8 is known for its intrinsic structural and electronic
properties favorable for electrocatalytic applications, but the synthesis of stoichiometrically optimal
Co9S8 electrocatalysts remains challenging...
Graphene oxide (GO) has enjoyed a recent surge in academic and industrial interest because of its myriad of potential applications. GO can be reduced to chemically converted graphene, or GO itself may be integrated into downstream products. This, along with its straightforward and scalable synthesis, makes GO a promising candidate for large-scale p...
Graphene is a typical two-dimensional (2-D) allotrope form of carbon. Excellent optical and electric properties of graphene, such as broadband absorption and high mobility of carriers, promise prosperous applications in optic and optoelectronic devices. However, flat graphene structures (either graphene film on structural substrate or structural gr...
In article number 1600077, Bao et al. demonstrate large-scale production of Bi2SexTe3-x–graphene van deer Waals heterostructures using a solvothermal method. Free-standing films produced from this heterostructure show improved electrical, photoelectric and mechanical properties, making their photoresponsive material promising for flexible photodete...
Large-scale production of 2D van der Waals heterostructures with precisely controlled chemical composition is the major challenge hindering their practical electric and optoelectronic applications. In this work, a solvothermal method is demonstrated to produce van der Waals heterostructures consisting of metal chalcogenides and graphene in a large...
Hybrid organic-inorganic perovskites have emerged as new photovoltaic materials with impressively high power conversion efficiency due to the high optical absorption coefficient and long charge carrier diffusion length. In addition to high photoluminescence quantum efficiency and chemical tunability, hybrid organic-inorganic perovskites also show i...
Two-dimensional layered transition metal dichalcogenides (TMDs) show intriguing potential for optoelectronic devices due to their exotic electronic and optical properties. Only a few efforts have been dedicated to large-area growth of TMDs. Practical applications will require improving the efficiency and reducing the cost of production, through (1)...
Ultrathin two-dimensional bismuth chalcogenide materials have received substantial research attention due to their potential applications in electronics and optoelectronics. While solvothermal synthesis is considered to be one of the most promising methods for large-scale production of such materials, the mechanisms that govern the crystallization...
Although enormous scientific progress has been made in the application of graphene and its related materials, the cost-effective and scalable production of graphene still holds the key to its commercialization. If this aspect cannot be successfully addressed, it may eventually struggle for widespread use, such as has occurred for its allotrope, the...
Self-assembled monolayers (SAMs) on metal and semiconductor surfaces are of interest in electronic devices, molecular and bio-sensors, and nanostructured surface preparation. Bifunctionalized molecules, where one functional group attaches to the surface while the other remains free for further modification, allow for the rational design of multilay...
Melon-seed-shaped LiFePO4 hollow micro- and sub-micrometer plates have been synthesized via a polyol-assisted hydrothermal method. The as-prepared LiFePO4 hollow materials were new with regard to their single-crystalline shells with large ac surfaces. Based on the detailed analysis of time-dependent studies, a possible growth mechanism was proposed...
The siloxane film derived from the 30-carbon chain triacontyltrichlorosilane (TCTS) is studied as an anti-relaxation coating for atomic vapor cells. The longitudinal spin relaxation lifetime of optically pumped potassium atoms in the presence of TCTS is measured and the average number of non-relaxing atom-wall collisions, or bounces, enabled by the...
An all electrochemical route to functionalized graphene directly from a graphite electrode is described herein obviating the need for defect inducing oxidative or prolonged sonication treatments. Enhanced electrochemical expansion of graphite is achieved by sequential treatment, beginning with the established method of expansion by electrolysis in...
Efficient chemical functionalization of hydrogen-terminated Si(111) with simple and bifunctional 1-alkenes was achieved via novel sonochemical activated hydrosilylation, utilizing just a simple ultrasonic bath. It is an extremely mild method that allows the specific attachment of unprotected bifunctional alkenes such as undecenol, undecylenic acid,...