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Guo L, Yao X, Wang Z, Luo C, Zhou L, Liu F, Zhang R, Wang X. Hierarchically Periodic Macroporous Niobium Oxide Architecture for Enhanced Hydrogen Evolution. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310753. [PMID: 38279635 DOI: 10.1002/smll.202310753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 01/02/2024] [Indexed: 01/28/2024]
Abstract
The fabrication of periodic macroporous (PM) in Nb2O5 via morphological control is crucial for improving the photocatalytic hydrogen evolution efficiency. In this study, Nb2O5 with PM is synthesized using a straightforward colloidal crystal templating approach. This material features an open, interconnected macroporous architecture with nanoscale walls, high crystallinity, and substantial porosity. Extensive characterization reveals that this hierarchically structured Nb2O5 possesses abundant surface active sites and is capable of capturing light effectively, facilitating rapid mass transfer and diffusion of reactants and markedly suppressing the recombination of photoexcited charge carriers. Macroporous Nb2O5 exhibits superior water-splitting hydrogen evolution performance compared with its bulk and commercial counterparts, achieving a hydrogen production rate of 405 µmol g-1 h-1, surpassing that of bulk Nb2O5 (B-Nb2O5) and commercial Nb2O5 (C-Nb2O5) by factors of 5 and 33, respectively. This study proposes an innovative strategy for the design of hierarchically structured PM, thereby significantly advancing the hydrogen evolution potential of Nb2O5.
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Affiliation(s)
- Lang Guo
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, the School of Chemistry and Chemical Engineering, Nanchang University, 999 Xuefu Road, Nanchang, 330031, China
| | - Xiaojie Yao
- Nanchang Institute of Technology, 289 Tianxiang Road, Nanchang, 330031, China
| | - Zhichen Wang
- School of Future Technology, Nanchang University, 999 Xuefu Road, Nanchang, 330031, China
| | - Chonghan Luo
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, the School of Chemistry and Chemical Engineering, Nanchang University, 999 Xuefu Road, Nanchang, 330031, China
| | - Ling Zhou
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, the School of Chemistry and Chemical Engineering, Nanchang University, 999 Xuefu Road, Nanchang, 330031, China
| | - Feng Liu
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, the School of Chemistry and Chemical Engineering, Nanchang University, 999 Xuefu Road, Nanchang, 330031, China
| | - Rongbin Zhang
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, the School of Chemistry and Chemical Engineering, Nanchang University, 999 Xuefu Road, Nanchang, 330031, China
| | - Xuewen Wang
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, the School of Chemistry and Chemical Engineering, Nanchang University, 999 Xuefu Road, Nanchang, 330031, China
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Ahmad I, Al-Qattan A, Iqbal MZ, Anas A, Khasawneh MA, Obaidullah AJ, Mahal A, Duan M, Al Zoubi W, Ghadi YY, Al-Zaqri N, Xia C. A systematic review on Nb 2O 5-based photocatalysts: Crystallography, synthetic methods, design strategies, and photocatalytic mechanisms. Adv Colloid Interface Sci 2024; 324:103093. [PMID: 38306848 DOI: 10.1016/j.cis.2024.103093] [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: 11/24/2023] [Revised: 01/11/2024] [Accepted: 01/21/2024] [Indexed: 02/04/2024]
Abstract
With the increasing popularity of photocatalytic technology and the highly growing issues of energy scarcity and environmental pollution, there is an increasing interest in extremely efficient photocatalytic systems. The widespread immense attention and applicability of Nb2O5 photocatalysts can be attributed to their multiple benefits, including strong redox potentials, non-toxicity, earth abundance, corrosion resistance, and efficient thermal and chemical stability. However, the large-scale application of Nb2O5 is currently impeded by the barriers of rapid recombination loss of photo-activated electron/hole pairs and the inadequacy of visible light absorption. To overcome these constraints, plentiful design strategies have been directed at modulating the morphology, electronic band structure, and optical properties of Nb2O5. The current review offers an extensive analysis of Nb2O5-based photocatalysts, with a particular emphasis on crystallography, synthetic methods, design strategies, and photocatalytic mechanisms. Finally, an outline of future research directions and challenges in developing Nb2O5-based materials with excellent photocatalytic performance is presented.
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Affiliation(s)
- Irshad Ahmad
- Department of Physics, University of Agriculture-38040, Faisalabad, Pakistan
| | - Ayman Al-Qattan
- Energy and Building Research Center, Kuwait Institute for Scientific Research, P.O. Box: 24885, Safat 13109, Kuwait
| | | | - Alkhouri Anas
- College of Pharmacy, Cihan University-Erbil, Erbil, Kurdistan Region, Iraq.
| | - Mohammad Ahmad Khasawneh
- Department of Chemistry, College of Science U.A.E. University, Al-Ain, P.O. Box 15551, United Arab Emirates.
| | - Ahmad J Obaidullah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Ahmed Mahal
- Department of Medical Biochemical Analysis, College of Health Technology, Cihan University-Erbil, Erbil, Kurdistan Region, Iraq
| | - Meitao Duan
- School of Pharmacy, Xiamen Medical College, People's Republic of China
| | - Wail Al Zoubi
- Materials Electrochemistry Laboratory, School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea.
| | - Yazeed Yasin Ghadi
- Department of Computer Science and Software Engineering, Al Ain University, United Arab Emirates
| | - Nabil Al-Zaqri
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China.
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Abreu E, Fidelis M, Fuziki M, Malikoski R, Mastsubara M, Imada R, Diaz de Tuesta J, Gomes H, Anziliero M, Baldykowski B, Dias D, Lenzi G. Degradation of emerging contaminants: Effect of thermal treatment on nb2o5 as photocatalyst. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113484] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Su K, Liu H, Gao Z, Fornasiero P, Wang F. Nb 2O 5-Based Photocatalysts. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2003156. [PMID: 33898172 PMCID: PMC8061393 DOI: 10.1002/advs.202003156] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 11/23/2020] [Indexed: 05/02/2023]
Abstract
Photocatalysis is one potential solution to the energy and environmental crisis and greatly relies on the development of the catalysts. Niobium pentoxide (Nb2O5), a typically nontoxic metal oxide, is eco-friendly and exhibits strong oxidation ability, and has attracted considerable attention from researchers. Furthermore, unique Lewis acid sites (LASs) and Brønsted acid sites (BASs) are observed on Nb2O5 prepared by different methods. Herein, the recent advances in the synthesis and application of Nb2O5-based photocatalysts, including the pure Nb2O5, doped Nb2O5, metal species supported on Nb2O5, and other composited Nb2O5 catalysts, are summarized. An overview is provided for the role of size and crystalline phase, unsaturated Nb sites and oxygen vacancies, LASs and BASs, dopants and surface metal species, and heterojunction structure on the Nb2O5-based catalysts in photocatalysis. Finally, the challenges are also presented, which are possibly overcome by integrating the synthetic methodology, developing novel photoelectric characterization techniques, and a profound understanding of the local structure of Nb2O5.
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Affiliation(s)
- Kaiyi Su
- State Key Laboratory of Catalysis (SKLC)Dalian National Laboratory for Clean Energy (DNL)Dalian Institute of Chemical Physics (DICP)Chinese Academy of SciencesDalian116023China
- University of Chinese Academy of SciencesBeijing100049China
| | - Huifang Liu
- State Key Laboratory of Catalysis (SKLC)Dalian National Laboratory for Clean Energy (DNL)Dalian Institute of Chemical Physics (DICP)Chinese Academy of SciencesDalian116023China
| | - Zhuyan Gao
- State Key Laboratory of Catalysis (SKLC)Dalian National Laboratory for Clean Energy (DNL)Dalian Institute of Chemical Physics (DICP)Chinese Academy of SciencesDalian116023China
- University of Chinese Academy of SciencesBeijing100049China
| | - Paolo Fornasiero
- Department of Chemical and Pharmaceutical SciencesINSTM ‐ Trieste and ICCOM ‐ CNR TriesteUniversity of TriesteVia L. Giorgieri 1Trieste34127Italy
| | - Feng Wang
- State Key Laboratory of Catalysis (SKLC)Dalian National Laboratory for Clean Energy (DNL)Dalian Institute of Chemical Physics (DICP)Chinese Academy of SciencesDalian116023China
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Khan SU, Perini JAL, Hussain S, Khan H, Khan S, Boldrin Zanoni MV. Electrochemical preparation of Nb 2O 5 nanochannel photoelectrodes for enhanced photoelectrocatalytic performance in removal of RR120 dye. CHEMOSPHERE 2020; 257:127164. [PMID: 32480087 DOI: 10.1016/j.chemosphere.2020.127164] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/19/2020] [Accepted: 05/20/2020] [Indexed: 06/11/2023]
Abstract
The present work describes the synthesis of niobium oxide nanochannels (Nb2O5NCs) with high surface area, porosity, photocurrent density, and photoelectrochemical stability as photocatalyst. The Nb2O5NCs were prepared by electrochemical anodization of niobium foil in different electrolytes: 1 M H2SO4 containing 0.4 wt% HF (S1); glycerol containing 0.4 M NH4F (S2); 0.25 g NH4F with 4 vol% water in glycol at 50 °C (S3); and glycerol containing 10 wt% K2HPO4, at 130 °C (S4, annealed in air; S5, annealed in N2). All the Nb2O5NCs showed well-organized arrays of nanochannels grown on the Nb foil, with tube diameters in the order S4<S2<S1<S3 and film thicknesses in the order S1<S2<S3<S4, as determined using FEG-SEM analyses. The samples were also characterized using XRD, EDX, DRS, XPS, EIS, Mott-Schottky analysis, and LSV curves. But, best results were obtained only when phosphorus (about 1% doping) was incorporated into the electrodes samples prepared in glycerol containing 10 wt% K2HPO4 at 130 °C (i.e. S4 and S5). This procedure enhances the absorption intensity in the UV-Vis regions, the conductivity, the charge carrier density, and the photocurrent density. The Nb2O5NC sample S5 was tested for the degradation of Procion Red HE-3B (RR120) dye, as a model pollutant, achieving efficient photoelectrodegradation with nearly 2 times higher mineralization efficiency compared to photolysis (PT) and photocatalysis (PC). Thus, the results indicate that the modification of Nb2O5NC thin film photoelectrodes by phosphorous doping can be a powerful and efficient alternative to usual approaches applied to the treatment of complex reactive dyes.
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Affiliation(s)
- Saad Ullah Khan
- São Paulo State University (UNESP), Institute of Chemistry, Araraquara, SP, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), São Paulo State University (UNESP), Institute of Chemistry, Araraquara, SP, Brazil; Faculty of Materials and Chemical Engineering, GIK Institute of Engineering Sciences and Technology, Topi, Pakistan
| | - João Angelo Lima Perini
- São Paulo State University (UNESP), Institute of Chemistry, Araraquara, SP, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), São Paulo State University (UNESP), Institute of Chemistry, Araraquara, SP, Brazil.
| | - Sajjad Hussain
- Faculty of Materials and Chemical Engineering, GIK Institute of Engineering Sciences and Technology, Topi, Pakistan
| | - Hammad Khan
- Faculty of Materials and Chemical Engineering, GIK Institute of Engineering Sciences and Technology, Topi, Pakistan
| | - Sabir Khan
- São Paulo State University (UNESP), Institute of Chemistry, Araraquara, SP, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), São Paulo State University (UNESP), Institute of Chemistry, Araraquara, SP, Brazil; Laboratory of Physical Chemistry Research, Faculty of Sciences, National University of Engineering, Lima, Peru
| | - Maria V Boldrin Zanoni
- São Paulo State University (UNESP), Institute of Chemistry, Araraquara, SP, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), São Paulo State University (UNESP), Institute of Chemistry, Araraquara, SP, Brazil.
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Tanji K, Navio J, Naja J, Hidalgo M, Chaqroune A, Jaramillo-Páez C, Kherbeche A. Extraordinary visible photocatalytic activity of a Co0.2Zn0.8O system studied in the Remazol BB oxidation. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2019.111877] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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