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Severa K, Buravets V, Burtsev V, Zabelina A, Hrbek T, Kolska Z, Fitl P, Svorcik V, Lyutakov O. Black Titanium Oxide/Activated TaS 2 Flakes Photoelectrode for Plasmon Assisted Hydrogen Evolution at Neutral pH at High Current Density. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2402758. [PMID: 38860555 DOI: 10.1002/smll.202402758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 06/02/2024] [Indexed: 06/12/2024]
Abstract
A heterojunction photo-electrode(s) consisting of porous black titanium oxide (bTiO2) and electrochemically self-activated TaS2 flakes is proposed and utilized for hydrogen evolution reaction (HER). The self-activated TaS2 flakes provide abundant catalytic sites for HER and the porous bTiO2, prepared by electrochemical anodization and subsequent reduction serves as an efficient light absorber, providing electrons for HER. Additionally, Au nanostructures are introduced between bTiO2 and TaS2 to facilitate the charge transfer and plasmon-triggering ability of the structure created. After structure optimization, high HER catalytic activity at acidic pH and excellent HER activity at neutral pH are achieved at high current densities. In particular, with the utilization of bTiO2@TaS2 photoelectrode (neutral electrolyte, sunlight illumination) current densities of 250 and 500 mA cm-2 are achieved at overpotentials of 433, and 689 mV, respectively, both exceeding the "benchmark" Pt. The addition of gold nanostructures further reduces the overpotential to 360 and 543 mV at 250 and 500 mA cm-2, respectively. The stability of the prepared electrodes is investigated and found to be satisfying within 24 h of performance at high current densities. The proposed system offers an excellent potential alternative to Pt for the development of green hydrogen production on an industrial scale.
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Affiliation(s)
- Kamil Severa
- Department of Solid State Engineering, University of Chemistry and Technology, Technicka 5, Prague, 166 28, Czech Republic
| | - Vladislav Buravets
- Department of Solid State Engineering, University of Chemistry and Technology, Technicka 5, Prague, 166 28, Czech Republic
| | - Vasilii Burtsev
- Department of Solid State Engineering, University of Chemistry and Technology, Technicka 5, Prague, 166 28, Czech Republic
| | - Anna Zabelina
- Department of Solid State Engineering, University of Chemistry and Technology, Technicka 5, Prague, 166 28, Czech Republic
| | - Tomas Hrbek
- Faculty of Mathematics and Physics, Department of Surface and Plasma Science, Charles University, V Holešovičkách 2, Prague 8, 180 00, Czech Republic
| | - Zdenka Kolska
- Faculty of Science, J. E. Purkyne University in Usti nad Labem, Ceske Mladeze 8, Usti nad Labem, 400 96, Czech Republic
| | - Premysl Fitl
- Department of Physics and Measurements, University of Chemistry and Technology, Prague, 16628, Czech Republic
| | - Vaclav Svorcik
- Department of Solid State Engineering, University of Chemistry and Technology, Technicka 5, Prague, 166 28, Czech Republic
| | - Oleksiy Lyutakov
- Department of Solid State Engineering, University of Chemistry and Technology, Technicka 5, Prague, 166 28, Czech Republic
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Hu DD, Guo RT, Yan JS, Guo SH, Pan WG. Metal-organic frameworks (MOFs) for photoelectrocatalytic (PEC) reducing carbon dioxide (CO 2) to hydrocarbon fuels. NANOSCALE 2024; 16:2185-2219. [PMID: 38226715 DOI: 10.1039/d3nr05664c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
MOF-based photoelectrocatalysis (PEC) using CO2 as an electron donor offers a green, clean, and extensible way to make hydrocarbon fuels under more tolerant conditions. Herein, basic principles of PEC reduction of CO2 and the preparation methods and characterization techniques of MOF-based materials are summarized. Furthermore, three applications of MOFs for improving the photoelectrocatalytic performance of CO2 reduction are described: (i) as photoelectrode alone; (ii) as a co-catalyst of semiconductor photoelectrode or as a substrate for loading dyes, quantum dots, and other co-catalysts; (iii) as one of the components of heterojunction structure. Challenges and future wave surrounding the development of robust PEC CO2 systems based on MOF materials are also discussed briefly.
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Affiliation(s)
- Dou-Dou Hu
- College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China.
| | - Rui-Tang Guo
- College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China.
- Shanghai Non-Carbon Energy Conversion and Utilization Institute, Shanghai 200090, People's Republic of China.
| | - Ji-Song Yan
- College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China.
| | - Sheng-Hui Guo
- College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China.
| | - Wei-Guo Pan
- College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China.
- Shanghai Non-Carbon Energy Conversion and Utilization Institute, Shanghai 200090, People's Republic of China.
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Liu J, Yu Z, Huang J, Yao S, Jiang R, Hou Y, Tang W, Sun P, Huang H, Wang M. Redox-active ligands enhance oxygen evolution reaction activity: Regulating the spin state of ferric ions and accelerating electron transfer. J Colloid Interface Sci 2023; 650:1182-1192. [PMID: 37478735 DOI: 10.1016/j.jcis.2023.07.083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/27/2023] [Accepted: 07/13/2023] [Indexed: 07/23/2023]
Abstract
Metal-organic frameworks (MOFs) are considered as one of the most promising catalysts for oxygen evolution reaction (OER). However, only a few have introduced redox-active ligands into MOFs and explored their role in the OER process. In this work, we synthesized FeNi DHBQ/NF using the redox-active ligand 2,5-dihydroxy-1,4-benzoquinone (DHBQ), which exhibited excellent redox activity and required only 207 and 242 mV overpotentials to achieve current densities of 10 and 100 mA cm-2. Our research confirms that (i) the doping of Fe leads to the formation of Ni → O → Fe electron transfer channels in the MOFs and stronger electron transfer, attributed to the stronger d-π conjugation between the metal center and the ligand and reduced the d-orbital crystal field splitting energy of Fe3+; (ii) the rate determination step (RDS) in the OER process of the catalyst is the formation of O*, while Fe and redox-active ligands effectively regulate the adsorption energy of oxygen-containing intermediates, reducing the energy barrier of the RDS; (iii) the redox-active ligands can act as "electron reservoirs" in the electrochemical process, making Ni more readily oxidized to Ni3+ or even Ni4+ at low potentials, which is beneficial to the subsequent OER process.
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Affiliation(s)
- Jing Liu
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, PR China; Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning 530004, PR China
| | - Zebin Yu
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, PR China.
| | - Jun Huang
- School of Civil Engineering and Architecture, Guangxi Minzu University, Nanning 530004, PR China
| | - Shuangquan Yao
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning 530004, PR China
| | - Ronghua Jiang
- School of Chemical and Environmental Engineering, Shaoguan University, Shaoguan 512005, PR China
| | - Yanping Hou
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, PR China
| | - Wenjun Tang
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, PR China
| | - Pengxin Sun
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, PR China
| | - Hongcheng Huang
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, PR China
| | - Mengqi Wang
- College of Computer Science and Technology, Shandong University of Technology, Zibo 255090, PR China
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Kim H, Choe A, Ha SB, Narejo GM, Koo SW, Han JS, Chung W, Kim JY, Yang J, In SI. Quantum Dots, Passivation Layer and Cocatalysts for Enhanced Photoelectrochemical Hydrogen Production. CHEMSUSCHEM 2023; 16:e202201925. [PMID: 36382625 DOI: 10.1002/cssc.202201925] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/11/2022] [Indexed: 06/16/2023]
Abstract
Solar-driven photoelectrochemical (PEC) hydrogen production is one potential pathway to establish a carbon-neutral society. Nowadays, quantum dots (QDs)-sensitized semiconductors have emerged as promising materials for PEC hydrogen production due to their tunable bandgap by size or morphology control, displaying excellent optical and electrical properties. Nevertheless, they still suffer from anodic corrosion during long-term cycling, offering poor stability. This Review discussed advancements to improve long-term stability of QDs particularly in terms of cocatalysts and passivation layers. The working principle of PEC cells was reviewed, along with all important configurations adopted over recent years. The equations to assess PEC performance were also described. A greater emphasized was placed on QDs and incorporation of cocatalysts or passivation layers that could enhance the PEC performance by influencing the charge transfer and surface recombination processes.
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Affiliation(s)
- Hwapyong Kim
- Department of Energy Science & Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988 (Republic of, Korea
| | - Ayeong Choe
- Department of Energy Science & Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988 (Republic of, Korea
| | - Seung Beom Ha
- Department of Chemical Engineering, Dankook University (DKU), Yongin-si, 16890, Republic of Korea
| | - Ghulam Mustafa Narejo
- Department of Energy Science & Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988 (Republic of, Korea
| | - Sung Wook Koo
- Department of Energy Science & Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988 (Republic of, Korea
| | - Ji Su Han
- Department of Energy Science & Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988 (Republic of, Korea
| | - Wookjin Chung
- Department of Energy Science & Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988 (Republic of, Korea
| | - Jae-Yup Kim
- Department of Chemical Engineering, Dankook University (DKU), Yongin-si, 16890, Republic of Korea
| | - Jiwoong Yang
- Department of Energy Science & Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988 (Republic of, Korea
| | - Su-Il In
- Department of Energy Science & Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988 (Republic of, Korea
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