Md Golam Kibria

Md Golam Kibria
The University of Calgary | HBI · Department of Chemical and Petroleum Engineering

BSc, MASc, PhD

About

73
Publications
42,963
Reads
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5,581
Citations
Introduction
My research work focuses on the development of one-dimensional group-III nitride nanowire based semiconductor photocatalyst materials for efficient and stable solar driven water splitting to generate sustainable hydrogen and other fuels.
Additional affiliations
April 2016 - March 2018
McGill University
Position
  • PostDoc Position
September 2010 - present
McGill University
Position
  • Research Assistant
September 2008 - August 2010
McMaster University
Position
  • Research Assistant

Publications

Publications (73)
Article
Full-text available
Development of electrochemical pathways to convert CO2 into fuels and feedstock is rapidly progressing over the past decade. Here we present a comparative cradle-to-gate life cycle assessment (LCA) of one and two-step electrochemical conversion of CO2 to eight major value-added products; wherein we consider CO2 capture, conversion and product separ...
Article
Glucose photoreforming provides a promising alternative strategy for biomass valorization. However, the use of harsh environment (high alkalinity or organic solvents) and low product selectivity due to non-selective free radical oxidative cleavage limit their application in large-scale settings. Here, we show photoreforming of glucose to arabinose...
Article
Full-text available
Photocatalytic transformation of biomass into value-added chemicals coupled with co-production of hydrogen provides an explicit route to trap sunlight into the chemical bonds. Here, we demonstrate a rational design of Zn1-xCdxS solid solution homojunction photocatalyst with a pseudo-periodic cubic zinc-blende (ZB) and hexagonal wurtzite (WZ) struct...
Preprint
Full-text available
Developing catalysts that exhibit high efficiencies for the electrochemical CO2 reduction reaction (CO2RR) in aqueous media is vital in both aspects of the healthier environment and for the practical implementation to produce added value fuels from energy waste. In this work, a facile electrochemical polymerization method is demonstrated to assembl...
Preprint
p>The race to save planet earth has led to significant advancement in technologies for harvesting renewable energy, carbon capture and conversion. Futures scenarios are being envisioned where CO<sub>2</sub> is captured from air and converted to valuable fuels and chemicals, with methanol (MeOH) being the most coveted product. Here we assess two pot...
Preprint
Full-text available
p>We are in a race against time to implement technologies for carbon capture, conversion, and utilization (CCU) to create a closed anthropogenic carbon cycle. Renewable energy powered electrochemical CO<sub>2</sub> reduction (eCO<sub>2</sub>R) to fuels and chemicals is an attractive technology in this context. Here, we demonstrate a strategy to dri...
Article
The deployment of “Power-to-Methanol” technologies by exploiting electrochemical reactions with CO2 as feedstock has received traction lately; primarily due to the continuous drop in renewable electricity price. Here, we compare techno-economic and climate benefits of three emerging “Power-to-Methanol” routes, including one-step CO2-to-methanol ele...
Article
Hydrogen evolution from biomass photoreforming has been widely recognized as a promising strategy for relieving the pressure from energy crisis and environmental pollution, as it could generate sustainable H2 and value-added bioproducts simultaneously. Combining p-type semiconductors with n-type semiconductors to form n-p heterojunction is an effec...
Preprint
Full-text available
p>Development of electrochemical pathways to convert CO<sub>2</sub> into fuels and feedstock is rapidly progressing over the past decade. Here we present a comparative cradle-to-gate life cycle assessment (LCA) of one and two-step electrochemical conversion of CO<sub>2 </sub>to eight major value-added products; wherein we consider CO<sub>2</sub> ca...
Article
Aquatic biomass is promising due to its high productivity in less nutrient environment. Gasification is one of the frontier technologies to convert biomass into energy, mainly to produce electricity. Recent development in electrochemical technologies allows the utilization of electricity to upgrade waste CO2 into chemical products. In the present s...
Article
Methane, the main component of natural gas, is widely utilized for energy consumption applications. The abundance of natural gas has driven many researchers to focus on the conversion of methane into value-added oxygenates such as methanol. The current industrial process is the indirect and capital intensive steam-reforming process which converts m...
Article
Full-text available
Integrated carbon capture and utilization (CCU) is appealing for in situ production of fuels and chemicals. Here, we propose and subsequently assess an integrated electrochemical CCU process and compare it with a carbon capture and storage (CCS) route from economic and environmental perspectives. This analysis reveals that under a baseline CCU scen...
Article
CH4 is the main component of natural gas, which represents 21.4 % of the total primary sources of energy in the world; it is an essential fuel for both daily human life and chemical industry. The increasing emissions of methane is considered as a crucial issue because its effect as a greenhouse gas is more than 30 times potent than that of CO2. One...
Article
Considering the global average, 2018 experienced the highest concentration of CO 2 in atmosphere (approximately 407 ppm). Although several policies and regulations are in action, annual CO 2 in atmosphere is still on the rise for past decades. As an outcome, anthropogenic CO 2 generation and subsequent atmospheric emission are key issues under glob...
Article
Electrochemical oxidation of biomass to fuels and value-added chemicals represents an emerging strategy of storing renewable energy and achieving a higher grade of sustainability in chemical industries. While research is still in its infancy, it is important to analyse the economic feasibility of such a process. In this study, we present a detailed...
Article
This review focuses on the discussion of the latest progress and remaining challenges in selected metal-free photocatalysts for hydrogen production. The scope of this review is limited to the metal-free elemental photocatalysts (i.e. B, C, P, S, Si, Se etc.), binary photocatalysts (i.e. BC3, B4C, CxNy, h-BN etc.) and their heterojunction, ternary p...
Article
Full-text available
The electrosynthesis of C2+ hydrocarbons from CO2 has attracted recent attention in light of the relatively high market price per unit energy input. Today’s low selectivities and stabilities towards C2+ products at high current densities curtail system energy efficiency, which limits their prospects for economic competitiveness. Here we present a m...
Chapter
Full-text available
Theprocess of electrocoagulation is a highly effective method to remediate effluent streams and to separate problematic pollutants before the discharge of the treated water. Interest in this technology has increased due to its broad range of applications, zero or minimal chemical dosing requirements, low waste production, and low cost. The process...
Article
Electrocatalytic CO2-to-CO conversion represents one pathway to upgrade CO2 to a feedstock for both fuels and chemicals (CO, deployed in ensuing Fisher-Tropsch or bioupgrading). It necessitates selective and energy-efficient electrocatalysts – a requirement met today only using noble metals gold and silver. Here we show that the 2-dimensional sulfu...
Article
Full-text available
The electrochemical reduction of CO2 is a promising route to convert intermittent renewable energy to storable fuels and valuable chemical feedstocks. To scale this technology for industrial implementation, a deepened understanding of how the CO2 reduction reaction (CO2RR) proceeds will help converge on optimal operating parameters. Here, a techno‐...
Article
Full-text available
Electrochemical carbon dioxide reduction (CO2) is a promising technology to use renewable electricity to convert CO2 into valuable carbon‐based products. For commercial‐scale applications, however, the productivity and selectivity toward multi‐carbon products must be enhanced. A facile surface reconstruction approach that enables tuning of CO2‐redu...
Article
The electroreduction of CO2 to CO is a promising strategy to utilize CO2 emissions while generating a high value product. Commercial CO2 electroreduction systems will require high current densities (>100 mA/cm2) as well as improved energetic efficiencies (EEs), achieved via high CO selectivity and lowered applied potentials. Here we report a silver...
Article
Full-text available
Carbon dioxide (CO2) electroreduction could provide a useful source of ethylene, but low conversion efficiency, low production rates, and low catalyst stability limit current systems. Here we report that a copper electrocatalyst at an abrupt reaction interface in an alkaline electrolyte reduces CO2 to ethylene with 70% faradaic efficiency at a pote...
Article
Full-text available
Over a broad range of operating conditions many CO2 electroreduc-tion catalysts can maintain selectivity towards certain reduction prod-ucts, leading to materials and surfaces being categorized according to their products; here we ask, is product selectivity truly a property of the catalyst? Silver is among the best electrocatalysts for CO in aqueo...
Chapter
Over the last decade, metal nitride nanostructures have emerged as a new generation of photocatalysts for artificial photosynthesis, i.e., sunlightdriven water splitting and CO2 reduction. This is attributed to the unique structural, optical, and photocatalytic properties of metal nitride nanostructures. These include stability against photocorrosi...
Article
Synergistic effect in alloys and plasmonic effect have both been explored for increasing the efficiency of water splitting. In depth understanding and comparison of their respective contributions in certain promising systems is highly desired for catalyst development, yet rarely investigated so far. We report herein our thorough investigations on a...
Article
Electrochemical ethylene production rates are enhanced by pushing favourable local electrolyte conditions to occur at higher current densities and lower relative overpotentials. In particular the combined influences of electrode morphology...
Article
Full-text available
Here we propose, design, and implement a low cost universal smart energy meter with demand side load management. The meter can be used in postpaid as well as the prepaid mode with flexible tariff plans such as time of use, block rate tariff, and their combination. The smart meter comprises of a potential transformer, current transformer, and a micr...
Article
A complex epsilon-near-zero material made of different metallic nanoparticles arranged in a disordered fractal structure that results from a scalable self-assembly fabrication procedure is described by Edward H. Sargent, Andrea Fratalocchi, and co-workers in article number 1701165. The material can be immersed in water for applications in photocata...
Article
Full-text available
The direct conversion of solar energy into fuels or feedstock is an attractive approach to address increasing demand of renewable energy sources. Photocatalytic systems relying on the direct photoexcitation of metals have been explored to this end, a strategy that exploits the decay of plasmonic resonances into hot carriers. An efficient hot carrie...
Article
Full-text available
A pot experiment was conducted at crop field of the Dept. of Soil Science, University of Chittagong to study the effect of biogas plant residues (BPR) and NPK fertilizers on the growth of and nutrient uptake by Amaranth (Amaranthus tricolor L.). There were six treatments and treatments were consisted as the following: T 1=Control (No BPR+No inorgan...
Article
Atomic-scale origin of the unusually high performance and long-term stability of wurtzite p-GaN oriented nanowire arrays is revealed. Nitrogen termination of both the polar (0001¯) top face and the nonpolar (101¯0) side faces of the nanowires is essential for long-term stability and high efficiency. Such a distinct atomic configuration ensures not...
Article
The photochemical reduction of carbon dioxide (CO2) into energy-rich products can potentially address some of the critical challenges we face today, including energy resource shortages and greenhouse gas emission. Our ab initio calculations show that CO2 molecules can be spontaneously activated on the clean nonpolar surfaces of wurtzite metal-nitri...
Article
Group-III nitride nanowire structures, including GaN, InN, AlN and their alloys, have been intensively studied in the past decade. Unique to this material system is that its energy bandgap can be tuned from the deep ultraviolet (~6.2 eV for AlN) to the near infrared (~0.65 eV for InN). In this article, we provide an overview on the recent progress...
Article
Full-text available
Artificial photosynthesis, i.e. the chemical transformation of sunlight, water and carbon dioxide into high-energy-rich fuels is one of the key sustainable energy technologies to enable a carbon-free, storable and renewable source of energy. Although significant progress has been made over the last four decades, the development of efficient, long-t...
Article
Full-text available
We report on the direct conversion of carbon dioxide (CO2) in a photoelectrochemical cell consisting of germanium doped gallium nitride nanowire anode and copper (Cu) cathode. Various products including methane (CH4), carbon monoxide (CO), and formic acid (HCOOH) were observed under light illumination. A Faradaic efficiency of ∼10% was measured for...
Article
A dual-photoelectrode device, consisting of a photoanode and photocathode with complementary energy bandgaps, has long been perceived as an ideal scheme for achieving high efficiency, unassisted solar-driven water splitting. Previously reported 2-photon tandem devices, however, generally exhibit an extremely low efficiency (<0.1%), which has been l...
Conference Paper
Full-text available
X-rays from synchrotron radiation enable incisive spectroscopic techniques which speed up the discovery of new materials for photovoltaics and photoelectrochemistry. A particularly useful method is X-ray absorption spectroscopy (XAS), which probes empty electronic states. XAS is element- and bond-specific, with the additional capability of determin...
Article
Full-text available
The performance of photochemical water splitting over the emerging nanostructured photocatalysts is often constrained by their surface electronic properties, which can lead to imbalance in redox reactions, reduced efficiency, and poor stability. We have investigated the impact of surface charge properties on the photocatalytic activity of InGaN nan...
Article
Full-text available
Solar water splitting is a key sustainable energy technology for clean, storable and renewable source of energy in the future. Here we report that Merocyanine-540 dye-sensitized and Rh nanoparticle–decorated molecular beam epitaxially grown In 0.25 Ga 0.75 N nanowire arrays have produced hydrogen from ethylenediaminetetraacetic acid (EDTA) and acet...
Article
Ultrafast exciton and charge-carrier dynamics in InGaN/GaN nanowires (NWs) with and without Rh/Cr2O3 nanoparticle (NP) decoration have been investigated using femtosecond transient absorption (TA) techniques with excitation at 415 nm and white-light probe (450–700 nm). By comparing the TA profiles between InGaN/GaN and InGaN/GaN-Rh/Cr2O3 NWs, an ad...
Article
Full-text available
Solar water splitting for hydrogen generation can be a potential source of renewable energy for the future. Here we show that efficient and stable stoichiometric dissociation of water into hydrogen and oxygen can be achieved under visible light by eradicating the potential barrier on nonpolar surfaces of indium gallium nitride nanowires through con...
Article
Full-text available
We report that by engineering the intra-gap defect related energy states in GaN nanowire arrays using Mg dopants, efficient and stable overall neutral water splitting can be achieved under violet light. Overall neutral water splitting on Rh/Cr2O3 co-catalyst decorated Mg doped GaN nanowires is demonstrated with intra-gap excitation up to 450 nm. Th...
Technical Report
Full-text available
Tuning the near-surface band structure of group III-nitride nanowires using magnesium dopants leads to efficient and stable photocatalysts for solar water splitting. For decades, researchers have been striving to develop an efficient, stable, and cost-effective photocatalyst that can decompose water into its constituents (i.e., hydrogen and oxygen)...
Article
Full-text available
Quasi-static capacitance voltage (CV) characteris-tics of In 1−x Ga x Sb-on-insulator field-effect transistor (FET) are investigated using 1-D coupled Schrödinger–Poisson equations. Here, we report for the first time the staircase trend in the CV characteristics of such ultrathin-body FET. This observation is well correlated with the gate-bias-depe...
Conference Paper
Full-text available
Here we report stoichiometric and stable evolution of H2 and O2 from pure (pH∼7.0) water under ultraviolet, blue and green light irradiation using wafer-scale InGaN/GaN triple-band nanowire heterostructures.
Conference Paper
Full-text available
We report on the photoelectrochemical water splitting and hydrogen generation under visible light on highly stable InGaN/GaN nanowire photoelectrodes.
Article
Full-text available
Micro-Raman scattering and X-ray photoelectron spectroscopy were employed to investigate Mg-doped GaN nanowires. With the increase of Mg doping level, pronounced Mg-induced local vibrational modes were observed. The evolution of longitudinal optical phonon-plasmon coupled mode, together with detailed X-ray photoelectron spectroscopy studies, show t...
Article
Full-text available
Solar water splitting is one of the key steps in artificial photosynthesis for future carbon-neutral, storable and sustainable source of energy. Here we show that one of the major obstacles for achieving efficient and stable overall water splitting over the emerging nanostructured photocatalyst is directly related to the uncontrolled surface charge...
Conference Paper
We have developed phosphor-free InGaN/GaN/AlGaN dot-in-a-wire core-shell white light emitting diodes, which can break the carrier injection efficiency bottleneck of conventional nanowire white light emitting diodes, leading to a dramatic enhancement of the output power. Additionally, such phosphor-free nanowire white light emitting diodes can deliv...
Article
In this Letter, we demonstrate that with the merit of nanowire structure and a self-catalytic growth process p-type InN can be realized for the first time by "direct" magnesium (Mg) doping. The presence of Mg acceptor energy levels in InN is confirmed by photoluminescence experiments, and a direct evidence of p-type conduction is demonstrated unamb...
Article
We have examined the carrier injection process of axial nanowire LED structures and identified that poor carrier injection efficiency, due to the large surface recombination, is the primary cause for the extremely low output power of phosphor-free nanowire white LEDs. We have further developed InGaN/GaN/AlGaN dot-in-a-wire core-shell white LEDs on...
Article
The conversion of solar energy into hydrogen via water splitting process is one of the key sustainable technologies for future clean, storable, and renewable source of energy. Therefore, development of visible light-responsive and efficient photocatalyst material has been of immense interest, but with limited success. Here, we show that overall wat...
Article
We report on the first demonstration of stable photoelectrochemical water splitting and hydrogen generation on a double-band photoanode in acidic solution (hydrogen bromide), which is achieved by InGaN/GaN core/shell nanowire arrays grown on Si substrate using catalyst-free molecular beam epitaxy. The nanowires are doped n-type using Si to reduce t...
Article
Full-text available
High crystal quality, vertically aligned AlxGa1-xN nanowire based double heterojunction light emitting diodes (LEDs) are grown on Si substrate by molecular beam epitaxy. Such AlxGa1-xN nanowires exhibit unique core-shell structures, which can significantly suppress surface nonradiative recombination. We successfully demonstrate highly efficient Alx...