About
182
Publications
11,683
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
4,741
Citations
Introduction
Additional affiliations
May 2012 - May 2016
June 2010 - April 2012
Publications
Publications (182)
Polymer gel‐based ionic thermoelectric (i‐TE) devices, including thermally chargeable capacitors and thermogalvanic cells, represent an innovative approach to sustainable energy harvesting by converting waste heat into electricity. This review provides a comprehensive overview of recent advancements in gel‐based i‐TE materials, focusing on their io...
Ionic thermoelectric materials have emerged as a promising avenue for harvesting low‐grade waste heat, with significant potential for applications in wearable electronics. This study introduces a novel design for ionic thermoelectric capacitors (ITECs) by incorporating host–guest complexation between α–cyclodextrin (α‐CD) and triiodide ions (I3⁻)....
Semiconducting polymers are lightweight, low cost, and easy to manufacture, making them promising candidates for application in electronic devices.
The research on photonic synapses holds immense promise for various applications, such as robotics and artificial intelligence. Pursuing lightweight, miniaturized, and low-energy consumption designs is crucial for enhancing efficiency and adaptability in evolving technological environments. To achieve this goal, this work designs a series of conjug...
Thermoelectricity offers a promising solution for reducing carbon emissions by efficiently converting waste heat into electrical energy. However, high-performance thermoelectric materials predominantly consist of rare, toxic, and costly inorganic compounds. Therefore, the development of alternating material systems for high-performance thermoelectr...
Triphenylamine‐based Y‐shaped organic sensitizers, specifically TPA‐MN (1), TPA‐CA (2), TPAT‐MN (3), and TPAT‐CA (4), are synthesized and utilized as p‐type self‐assembled monolayers (SAMs) for tin‐based perovskite solar cells (TPSCs). These SAMs are developed using low‐cost starting materials, primarily from triphenylamine (TPA) components. An ext...
This study investigates backbone engineering and evaluates the thermoelectric properties of FeCl3‐doped naphthobisthiadiazole (NTz)‐based donor–acceptor (D‐A) conjugated polymer films. The NTz acceptor unit is coupled with three distinct donor units, namely dialkylated terthiophene (3T), dialkylated quaterthiophene (4T), and dialkylated bisthienyl...
Thermoelectric generators (TEGs) based on thermogalvanic cells can convert low‐temperature waste heat into electricity. Organic redox couples are well‐suited for wearable devices due to their nontoxicity and the potential to enhance the ionic Seebeck coefficient through functional‐group modifications. Pyrazine‐based organic redox couples with diffe...
The field of optoelectronic polymers has continuously expanded in the past two decades because of their innovative applications in a variety of technologies in optoelectronic, photonic and energy research. Groups across the world are still looking into the fundamentals, as well as their applications, which remain to be fully understood and envision...
Three functionalized thienopyrazines (TPs), TP‐MN (1), TP‐CA (2), and TPT‐MN (3) were designed and synthesized as self‐assembled monolayers (SAMs) deposited on the NiOx film for tin‐perovskite solar cells (TPSCs). Thermal, optical, electrochemical, morphological, crystallinity, hole mobility, and charge recombination properties, as well as DFT‐deri...
Three functionalized thienopyrazines (TPs), TP‐MN (1), TP‐CA (2), and TPT‐MN (3) were designed and synthesized as self‐assembled monolayers (SAMs) deposited on the NiOx film for tin‐perovskite solar cells (TPSCs). Thermal, optical, electrochemical, morphological, crystallinity, hole mobility, and charge recombination properties, as well as DFT‐deri...
Zwitterionic Hydrogels
In article number 2311811, Chun-Jen Huang, Cheng-Liang Liu, and co-workers present a pH-sensitive zwitterionic hydrogel that interacts uniquely with ions. In acidic or basic conditions, the hydrogel acquires positive or negative charges, enhancing its attraction to anions or cations, and generating ion concentration gradients...
Conjugated microporous polymers (CMPs) are characterized by high physical and chemical stabilities along with low thermal conductivities due to their conjugated microporous frameworks, making them promising candidates for thermoelectric application. However, the advancement of CMPs within the thermoelectric field is considerably hampered by their i...
While research on organic thermoelectric polymers is making significant progress in recent years, realization of a single polymer material possessing both thermoelectric properties and stretchability for the next generation of self‐powered wearable electronics is a challenging task and remains an area yet to be explored. A new molecular engineering...
Electrical double-layer transistors (EDLTs) have received extensive research attention owing to their exciting advantages of low working voltage, high biocompatibility, and sensitive interfacial properties in ultrasensitive portable sensing applications. Therefore, it is of great interest to reduce photodetectors’ operating voltage and power consum...
The present study focuses on the utilization of a hydrogel consisting of gelatin methacrylate (GelMA) and polyvinyl alcohol (PVA) as a matrix for hosting the redox couple Fe(CN)63−/4−. The hydrogel exhibits a discernable thermopower (Src) of 3 mV K⁻¹. The beneficial effect of the hydrogel microstructure on the mechanical robustness is demonstrated...
Quasi‐2D (q‐2D) perovskites are extensively studied due to their hybrid properties of 3D and 2D phases and have proven to be applied to a wide range of optoelectronics. Multiple device engineering methods for perovskite photodetectors are developed. However, the treatment of self‐assembled monolayer (SAM) is rarely discussed. Herein, a series of si...
The escalating environmental impact of pollution and the imperative to reduce carbon emissions have heightened the significance of developing biobased materials from natural biomass for electronic devices. This study investigates the utilization of biofermentation‐produced recombinant spider silk and animal‐derived hemin to create a novel biobased...
Amid growing interest in using body heat for electricity in wearables, creating stretchable devices poses a major challenge. Herein, a hydrogel composed of two core constituents, namely the negatively‐charged 2‐acrylamido‐2‐methylpropanesulfonic acid and the zwitterionic (ZI) sulfobetaine acrylamide, is engineered into a double‐network hydrogel. Th...
In recent years, organic photonic field-effect transistors have made remarkable progress with the rapid development of conjugated polycrystalline materials. Liquid crystals, with their smooth surface, defined layer thickness, and crystalline structures, are commonly used for these advantages. In this work, a series of smectic liquid crystalline mol...
Well-performing organic–inorganic halide perovskites are susceptible to poor efficiency and instability due to their various defects at the interphases, grain boundaries (GBs), and surfaces. In this study, an in situ method is utilized for effectively passivating the under-coordinated Pb²⁺ defects of perovskite with new non-fullerene acceptors (NFA...
The embedding of non-fullerene acceptor INDCDTT-b16 to PM6:Y6 binary blend devices enables the adjustment of the blend morphology, leading to improvements in carrier mobility, bimolecular/trap-assisted recombination, and charge collection, and promotes a PCE of 16.27%.
Through designing molecules to enhance dopant miscibility, comprehensive research was conducted to optimize the thermoelectric performance.
The novelty of this study lies in the fabrication of a high-performance polymer/CNT nanocomposite film capable of withstanding a 50% strain after blending with elastomers while simultaneously exhibiting commendable thermoelectric performance.
In recent years, the quest for efficient and durable electrode materials for supercapacitors has driven the development of novel conjugated microporous polymers (CMPs). This study presents the synthesis and comprehensive...
The ternary strategy boosts the performance of organic photovoltaics (OPVs) by optimizing light-harvesting, energy level alignment, and blend morphology. Herein, three non-fullerene acceptors (NFAs), IN-DTPT-b20 (1), INF-DTPT-b20(2) and INCl-DTPT-b20 (3)...
This work presents a series of novel quinoidal organic semiconductors based on diselenophene‐dithioalkylthiophene (DSpDST) conjugated cores with various side‐chain lengths (‐thiohexyl, ‐thiodecyl, and ‐thiotetradecyl, designated DSpDSTQ‐6, DSpDSTQ‐10, and DSpDSTQ‐14, respectively). The purpose of this research is to develop solution‐processable org...
A decade of significant research has led to the emergence of photovoltaic solar cells based on perovskites that have achieved an exceptionally high‐power conversion efficiency of 26.08%. A key breakthrough in perovskite solar cells (PSCs) occurred when solid hole‐transporting materials (HTMs) replaced liquid electrolytes in dye‐sensitized solar cel...
This study focuses on the fabrication of nanocomposite thermoelectric devices by blending either a naphthalene‐diimide (NDI)‐based conjugated polymer (NDI‐T1 or NDI‐T2), or an isoindigo (IID)‐based conjugated polymer (IID‐T2), with single‐walled carbon nanotubes (SWCNTs). This is followed by sequential process doping method with the small molecule...
Artificial synapses have gained great interest in the past few years because of their importance in deep learning and image recognition. To fulfill device miniaturization and reduce the energy consumption of device operation, a series of silane‐based photoactive/conjugated self‐assembled molecules (CSAMs), including isoindigo (IID), diketopyrrolopy...
A new series of triphenylamine (TPA)‐functionalized isomeric polythiophenes are developed as hole transporting materials (HTM) for inverted tin‐based perovskite solar cells (TPSCs). Bithiophene (BT) is first functionalized with two TPA (electron donor; D) at 3 and 5 positions to give two structural isomeric compounds (3BT2D and 5BT2D). The function...
An integrated strategy of molecular design and conjugated polymer doping is proposed to improve the electronic characteristics for organic field effect transistor (OFET) applications. Here, a series of soluble naphthalene diimide (NDI)-based random donor-acceptor copolymers with selenophene π-conjugated linkers and four acceptors with different ele...
This paper presents proof-of-concept all-solution-processed wearable thermoelectric generators made of single-walled carbon nanotube/poly(3-hexylthiophene) (SWCNT/P3HT) nanocomposites integrated with biocompatible silk fibroin substrates and Ag nanowires (NWs)/poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT/PSS) layers. Since well-d...
Herein, poly(3-alkylthiophene)s (P3ATs) and poly[(3-alkylthio)thiophene]s (P3ATTs) are respectively synthesized using poly(thiophene)s with linear/branched alkyl groups and branched alkylthio moieties with short/long side chain lengths for dispersing single-walled carbon nanotubes (SWCNTs), and the resulting composites are solution-processed for us...
Doped polythiophene (PT)-based semiconductors are of significant interest in the field of organic electronics, and are designed for novel thermoelectric applications based on their remarkable electrical properties, ease of processing,...
The chemical design of side chains and the physical control of molecular aggregation on conjugated polymer semiconductors have been demonstrated to be effective strategies for achieving efficient doping and charge...
Photothermoelectric (PTE) materials have gained significant attention as a promising avenue for converting light into electricity. Herein, the PTE properties of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) are enhanced by introducing black phosphorus (BP)...
Molecular design and precise control of thin-film morphology and crystallinity of solution-processed small molecules are important for enhancing charge transport mobility of organic field-effect transistors and gaining more insight into the structure-property relationship. Here, two donor-acceptor-donor (D-A-D) architecture small molecules TRA-IID-...
Magnetic resonance imaging is widely used to create detailed images of the organs and tissues. In daily clinical practice of diagnosing liver cirrhosis, it is still a challenge to find the best clinical diagnosis for detection hepatic lesions like hemangioma or hepatoma. In this study, we tried to compare the accuracy of method non-contrast enhance...
A new series of cyclopentadithiophene (CDT)-based quinoidal semiconductors—CDTSQ-8 (1), CDTSQ-10 (2), CDTSQ-12 (3), and CDTSQ-14 (4)—with various dithioalkylated-methylidenyl side chains were designed and synthesized as n-type organic small molecules for solution-processable organic field-effect transistors (OFETs). The physical, electrochemical, a...
This review highlights our recent efforts in the development of organic semiconductors based on anthradithiophene (ADT), dithienothiophene (DTT), tetrathienoacene (TTA), benzothienodithiophene (BTDT), benzothienothiophene (BTT), chalcogen‐planarized BT, and some quinoidal oligothiophenes for the application of organic thin‐film transistors (OTFTs)....
The effect of heteroalkyl (‐XR, X = Se, S, O) substitution on a series of molecular semiconductors having a 3,3′‐diheteroalkyl‐2,2′‐bithiophene (XBT) central core is studied. Thus, the selenotetradecyl (‐SeC14H29) SeBT core is investigated by end‐functionalization with two dithienothiophene (DTT), thienothiophene (TT), and thiophene (T) units to gi...
Semiconducting blend heterostructures, composed of conjugated polymer with photoresponsive organic crystals, provide an effective way to achieve promising photodetection devices. Here, solution‐processed n‐type N2200 conjugated polymer and quinoidal thienoisoindigo (TIIQ) small molecule blend is used to construct phototransistors for red light dete...
Spray-coating is an emerging technique that can be used to produce large-area functional films on various kinds of substrates. It has been increasingly recognized as a state-of-the-art method for fabricating perovskite films for large-area, high throughput, and low-cost perovskite solar cells (PSCs) and modules. Herein, the merits of spray-coating...
The defects at the interface and grain boundaries of perovskite films downgrade the performance of perovskite solar cells (PSCs) dramatically. Hence, improving perovskite film quality is essential for the achievement...
Conjugated polymer PEDOT:PSS and the related hybrid systems undoubtedly possess a high electrical conductivity and a reasonable Seebeck coefficient, showing potential for thermoelectric applications due to the feasibility of modulating...
The scaling up of perovskite films to generate prototypes with large surface area requires the development of scalable solution-processing techniques along with the optimization of precursor solution formulations to achieve...
Low-dimensional all-inorganic perovskite quantum dots (QDs) have been increasingly developed as photo-sensing materials in the field of photodetectors because of their strong light-absorption capability and broad bandgap tunability. Here, solution-processed hybrid phototransistors built by a dithienothiophenoquinoid (DTTQ) n-type organic semiconduc...
Recently, coupling agents have gradually been applied to perovskite solar cells (PSC) due to their interface modification properties. In this work, Ti3C2Tx MXene nanosheets with different amounts of silane coupling agent vinyltris (2-methoxyethoxylsilane) (SCA) (0, 0.1, 0.3, 0.5, and 0.7 V/V%) were deposited by spray technique as the hole transport...