1
|
Patil RP, Mahadik MA, Chae WS, Jang JS. Understanding systematic growth mechanism of porous Zn 1-xCd xSe/TiO 2 nanorod heterojunction from ZnSe(en) 0.5/TiO 2 photoanodes for bias-free solar hydrogen evolution. J Colloid Interface Sci 2023; 644:246-255. [PMID: 37119642 DOI: 10.1016/j.jcis.2023.04.054] [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: 01/05/2023] [Revised: 04/10/2023] [Accepted: 04/12/2023] [Indexed: 05/01/2023]
Abstract
Herein, a porous Zn1-xCdxSe structure was developed on TiO2 nanorod (NR) array for photoelectrochemical (PEC) application. Firstly, TiO2 NR and ZnO/TiO2 NR photoanode were synthesized via a series of hydrothermal methods on FTO. Next, the solvothermal synthesis method was adopted to develop inorganic-organic hybrid ZnSe(en)0.5 on ZnO /TiO2 NR-based electrode using different concentrations of the selenium (Se). We found that the ZnO NR acts as a mother material for the formation of inorganic-organic hybrid ZnSe(en)0.5, whereas TiO2 NR acts as a building block. In order to further improve the PEC charge transfer performance, inorganic-organic hybrid ZnSe(en)0.5/TiO2 NR electrode was transferred into a porous Zn1-xCdxSe/TiO2 NR photoanode using the Cd2+ ion-exchange method. The optimized porous Zn1-xCdxSe/TiO2 NR -(2) photoanode converted from ZnSe(en)0.5 -(2) electrode (optimized Se concentration) showed a higher photocurrent density of 6.6 mA·cm-2 at applied potential 0 V vs. Ag/AgCl. The enhanced photocurrent density was owing to the effective light absorption, enhanced charge separation, delay the charge recombination, and porous structure of Zn1-xCdxSe. This work highlights the promising strategy for the synthesis of porous Zn1-xCdxSe/TiO2 NR from inorganic-organic ZnSe(en)0.5/TiO2 NR for effective charge separation and prolonging the lifetime during the photoelectrochemical reaction.
Collapse
Affiliation(s)
- Ruturaj P Patil
- Division of Biotechnology, Safety, Environment and Life Science Institute, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan campus 570-752, Republic of Korea
| | - Mahadeo A Mahadik
- Division of Biotechnology, Safety, Environment and Life Science Institute, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan campus 570-752, Republic of Korea
| | - Weon-Sik Chae
- Daegu Center, Korea Basic Science Institute, Daegu 41566, Republic of Korea.
| | - Jum Suk Jang
- Division of Biotechnology, Safety, Environment and Life Science Institute, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan campus 570-752, Republic of Korea.
| |
Collapse
|
2
|
Palummo M, Re Fiorentin M, Yamashita K, Castelli IE, Giorgi G. Study of Optoelectronic Features in Polar and Nonpolar Polymorphs of the Oxynitride Tin-Based Semiconductor InSnO 2N. J Phys Chem Lett 2023; 14:1548-1555. [PMID: 36745501 PMCID: PMC9940202 DOI: 10.1021/acs.jpclett.3c00211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 02/02/2023] [Indexed: 06/18/2023]
Abstract
In view of its potential applicability in photoconversion processes, we here discuss the optoelectronic features of the recently proposed tin-based oxynitride material for (photo)catalysis, InSnO2N. In detail, by combining Density Functional and Many-Body Perturbation Theory, we compute the electronic and optical properties discussing how they vary from the nonpolar phase to the more stable polar one. After providing a detailed, unbiased, description of the optoelectronic features of the two phases, we have finally calculated the Spectroscopic Limited Maximum Efficiency and obtained data that further witness the relevance of InSnO2N for solar energy conversion processes.
Collapse
Affiliation(s)
- Maurizia Palummo
- Department
of Physics & INFN, Universitá
di Roma “Tor Vergata,” Via della Ricerca Scientifica 1, 00133 Roma, Italy
| | - Michele Re Fiorentin
- Department
of Applied Science and Technology, Politecnico
di Torino, corso Duca
degli Abruzzi 24, 10129 Torino, Italy
| | - Koichi Yamashita
- Graduate
School of Nanobioscience, Yokohama City
University, Yokohama 236-0027, Japan
| | - Ivano E. Castelli
- Department
of Energy Conversion and Storage, Technical
University of Denmark, DK-2800
Kgs. Lyngby, Denmark
| | - Giacomo Giorgi
- Department
of Civil & Environmental Engineering (DICA), The University of Perugia, Via G. Duranti 93, 06125 Perugia, Italy
- CIRIAF
- Interuniversity Research Centre, University
of Perugia, Via G. Duranti
93, 06125 Perugia, Italy
- CNR-SCITEC, 06123 Perugia, Italy
| |
Collapse
|
3
|
Mao GQ, Yan ZY, Xue KH, Ai Z, Yang S, Cui H, Yuan JH, Ren TL, Miao X. DFT-1/2 and shell DFT-1/2 methods: electronic structure calculation for semiconductors at LDA complexity. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2022; 34:403001. [PMID: 35856860 DOI: 10.1088/1361-648x/ac829d] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 07/20/2022] [Indexed: 06/15/2023]
Abstract
It is known that the Kohn-Sham eigenvalues do not characterize experimental excitation energies directly, and the band gap of a semiconductor is typically underestimated by local density approximation (LDA) of density functional theory (DFT). An embarrassing situation is that one usually uses LDA+Ufor strongly correlated materials with rectified band gaps, but for non-strongly-correlated semiconductors one has to resort to expensive methods like hybrid functionals orGW. In spite of the state-of-the-art meta-generalized gradient approximation functionals like TB-mBJ and SCAN, methods with LDA-level complexity to rectify the semiconductor band gaps are in high demand. DFT-1/2 stands as a feasible approach and has been more widely used in recent years. In this work we give a detailed derivation of the Slater half occupation technique, and review the assumptions made by DFT-1/2 in semiconductor band structure calculations. In particular, the self-energy potential approach is verified through mathematical derivations. The aims, features and principles of shell DFT-1/2 for covalent semiconductors are also accounted for in great detail. Other developments of DFT-1/2 including conduction band correction, DFT+A-1/2, empirical formula for the self-energy potential cutoff radius, etc, are further reviewed. The relations of DFT-1/2 to hybrid functional, sX-LDA,GW, self-interaction correction, scissor's operator as well as DFT+Uare explained. Applications, issues and limitations of DFT-1/2 are comprehensively included in this review.
Collapse
Affiliation(s)
- Ge-Qi Mao
- School of Integrated Circuits, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
- Hubei Yangtze Memory Laboratories, Wuhan 430205, People's Republic of China
| | - Zhao-Yi Yan
- School of Integrated Circuits, Tsinghua University, Beijing 100084, People's Republic of China
| | - Kan-Hao Xue
- School of Integrated Circuits, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
- Hubei Yangtze Memory Laboratories, Wuhan 430205, People's Republic of China
| | - Zhengwei Ai
- School of Integrated Circuits, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
- Hubei Yangtze Memory Laboratories, Wuhan 430205, People's Republic of China
| | - Shengxin Yang
- School of Integrated Circuits, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
- Hubei Yangtze Memory Laboratories, Wuhan 430205, People's Republic of China
| | - Hanli Cui
- School of Integrated Circuits, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Jun-Hui Yuan
- School of Integrated Circuits, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
- Hubei Yangtze Memory Laboratories, Wuhan 430205, People's Republic of China
| | - Tian-Ling Ren
- School of Integrated Circuits, Tsinghua University, Beijing 100084, People's Republic of China
| | - Xiangshui Miao
- School of Integrated Circuits, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
- Hubei Yangtze Memory Laboratories, Wuhan 430205, People's Republic of China
| |
Collapse
|
4
|
Constructing benzene ring modified graphitic carbon nitride with narrowed bandgap and enhanced molecular oxygen activation for efficient photocatalytic degradation of oxytetracycline. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121170] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
5
|
Spatial separation of photo-generated carriers in g-C3N4/MnO2/Pt with enhanced H2 evolution and organic pollutant control. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04748-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
|
6
|
Wang R, Zhang K, Zhong X, Jiang F. Z-scheme LaCoO 3/C 3N 5 for efficient full-spectrum light-simulated solar photocatalytic hydrogen generation. RSC Adv 2022; 12:24026-24036. [PMID: 36093233 PMCID: PMC9400623 DOI: 10.1039/d2ra03874a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/16/2022] [Indexed: 11/21/2022] Open
Abstract
An inexpensive and efficient LaCoO3/C3N5 photocatalytic system for water splitting or other photocatalytic applications was designed. The photocatalytic reaction and mechanism of C3N5 and its complexes was verified.
Collapse
Affiliation(s)
- Rui Wang
- College of Chemistry, Beijing Normal University, Beijing, 100875, China
- Institute of Chemical Engineering and Technology, Xi'an Jiao Tong University, Xi'an, 710049, China
| | - Kexin Zhang
- College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Xin Zhong
- Department of Chemistry, Faculty of Arts and Sciences, Beijing Normal University, Zhuhai, 519087, China
| | - Fubin Jiang
- College of Chemistry, Beijing Normal University, Beijing, 100875, China
- Department of Chemistry, Faculty of Arts and Sciences, Beijing Normal University, Zhuhai, 519087, China
| |
Collapse
|
7
|
Wang P, Chen W, Wang Z, Tang Y, Shi W, Tang L. Effect of layers on the photocatalytic hydrogen evolution in Dion-Jacobson layered-tantalum perovskites. Dalton Trans 2021; 50:16076-16083. [PMID: 34635892 DOI: 10.1039/d1dt02069b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Tantalum-based layered perovskites have always been an interesting topic in photocatalysis, but limited information has been reported in terms of their layer factor. In this work, we have synthesized Dion-Jacobson layered perovskites (A'[An-1TanO3n+1]) of LaTaO4, KLaTa2O7, and KCa2Ta3O10 with n = 1, 2, and 3, respectively. With the modification of 1 wt% Pt co-catalysts, the photocatalytic analysis showed that the performance order of these layered perovskites with different layers is KLaTa2O7 (n = 2) > KCa2Ta3O10 (n = 3) ≫ LaTaO4 (n = 1) with both methanol and NaI as the sacrificial agents. This suggested the importance of interlayer K+ for high photocatalytic performance. We further analyzed the layered perovskites in detail by BET, photoelectrochemical analysis, Mott-Schottky, and VB-XPS test. The combined results indicated that the positions of the conduction band are the dominant factors for the photocatalytic performance of tantalum-based Dion-Jacobson layered perovskites with n = 2 and 3. This work sheds new light on the field of layered perovskites as efficient photocatalysts.
Collapse
Affiliation(s)
- Peng Wang
- Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai 200444, PR China. .,School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, PR China.
| | - Wenqian Chen
- Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai 200444, PR China. .,School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, PR China.
| | - Zihan Wang
- Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai 200444, PR China. .,School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, PR China.
| | - Ya Tang
- Department of Chemistry, School of Science, Shanghai University, No. 99, Shangda Roda, Baoshan District, Shanghai, China
| | - Wenyan Shi
- Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai 200444, PR China. .,School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, PR China.
| | - Liang Tang
- Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai 200444, PR China. .,School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, PR China.
| |
Collapse
|
8
|
Novel 2D/2D g-C3N4/Bi4NbO8Cl nano-composite for enhanced photocatalytic degradation of oxytetracycline under visible LED light irradiation. J Colloid Interface Sci 2021; 584:320-331. [DOI: 10.1016/j.jcis.2020.09.101] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 09/23/2020] [Accepted: 09/25/2020] [Indexed: 11/19/2022]
|
9
|
Yang Q, Liu J, Yan D, Liu J, Luo H. Enhanced Photocatalytic CO2 Reduction and Water Splitting Over a Boron-Rich Alloy Boron Suboxide (B6O) via Cr or Co Doping. Catal Letters 2020. [DOI: 10.1007/s10562-020-03111-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
|
10
|
Zhou C, Shi R, Waterhouse GI, Zhang T. Recent advances in niobium-based semiconductors for solar hydrogen production. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213399] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
11
|
Sharma SK, Kumar A, Sharma G, Stadler FJ, Naushad M, Ghfar AA, Ahamad T. LaTiO2N/Bi2S3 Z-scheme nano heterostructures modified by rGO with high interfacial contact for rapid photocatalytic degradation of tetracycline. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113300] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
|
12
|
Zhang M, Lai C, Li B, Huang D, Liu S, Qin L, Yi H, Fu Y, Xu F, Li M, Li L. Ultrathin oxygen-vacancy abundant WO3 decorated monolayer Bi2WO6 nanosheet: A 2D/2D heterojunction for the degradation of Ciprofloxacin under visible and NIR light irradiation. J Colloid Interface Sci 2019; 556:557-567. [DOI: 10.1016/j.jcis.2019.08.101] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 08/24/2019] [Accepted: 08/26/2019] [Indexed: 01/08/2023]
|