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Wu SM, Wang YT, Xiao ST, Zhang YX, Tian G, Chen JB, Zhao XF, Janiak C, Shalom M, Bahnemann DW, Wang LY, Yang XY. Design and synthesis of TiO 2/C nanosheets with a directional cascade carrier transfer. Chem Sci 2022; 13:7126-7131. [PMID: 35799830 PMCID: PMC9214889 DOI: 10.1039/d2sc01872a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/09/2022] [Indexed: 11/21/2022] Open
Abstract
Directed transfer of carriers, akin to excited charges in photosynthesis, in semiconductors by structural design is challenging. Here, TiO2 nanosheets with interlayered sp2 carbon and titanium vacancies are obtained by low-temperature controlled oxidation calcination. The directed transfer of carriers from the excited position to Ti-vacancies to interlayered carbon is investigated and proven to greatly increase the charge transport efficiency. The TiO2/C obtained demonstrates excellent photocatalytic and photoelectrochemical activity and significant lithium/sodium ion storage performance. Further theoretical calculations reveal that the directional excited position/Ti-vacancies/interlayered carbon facilitate the spatial inside-out cascade electron transfer, resulting in high charge transfer kinetics.
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Affiliation(s)
- Si-Ming Wu
- State Key Laboratory of Advanced Technology for Materials Synthesis, Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology Wuhan 430070 China
- School of Chemical Engineering and Technology, Sun Yat-sen University (Zhuhai) Zhuhai 519000 China
| | - Yi-Tian Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis, Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology Wuhan 430070 China
| | - Shi-Tian Xiao
- State Key Laboratory of Advanced Technology for Materials Synthesis, Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology Wuhan 430070 China
| | - Yan-Xiang Zhang
- State Key Laboratory of Advanced Technology for Materials Synthesis, Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology Wuhan 430070 China
| | - Ge Tian
- State Key Laboratory of Advanced Technology for Materials Synthesis, Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology Wuhan 430070 China
| | - Jiang-Bo Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis, Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology Wuhan 430070 China
| | - Xiao-Fang Zhao
- State Key Laboratory of Advanced Technology for Materials Synthesis, Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology Wuhan 430070 China
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf Düsseldorf Germany
| | - Menny Shalom
- Department of Chemistry and Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev Beer-Sheva 8410501 Israel
| | - Detlef W Bahnemann
- Institut für Technische Chemie, Leibniz Universität Hannover Callinstrasse 3 Hannover D-30167 Germany
- Laboratory "Photoactive Nanocomposite Materials" (Director), Saint-Petersburg State University Ulyanovskaya str. 1, Peterhof Saint-Petersburg 198504 Russia
| | - Li-Ying Wang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences Wuhan 430071 China
| | - Xiao-Yu Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis, Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology Wuhan 430070 China
- School of Engineering and Applied Sciences, Harvard University Cambridge MA 02138 USA
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2
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Photocatalytic Activity in the In-Flow Degradation of NO on Porous TiO2–Coated Glasses from Hybrid Inorganic–Organic Thin Films Prepared by a Combined ALD/MLD Deposition Strategy. COATINGS 2022. [DOI: 10.3390/coatings12040488] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A combined ALD/MLD (where ALD and MLD stand for atomic and molecular layer deposition, respectively) deposition strategy using TiCl4, H2O and HQ (hydroquinone) as precursors has been applied for the preparation of inorganic–organic thin films on soda-lime glasses. The alternate deposition of TiO2 layers, by pulsing TiCl4/H2O (ALD), and hybrid layers, using TiCl4/HQ (MLD), results in the formation of thin films that are precursors for porous TiO2-coatings after removal of the HQ template by annealing. The coated-glassed show good photocatalytic activity in the degradation of NO with up to 15% reduction of NO concentration in three successive photocatalytic cycles of 5 h each. Surface Scanning Electron Microscopy (SEM) images show that the TiO2-coating is composed of large grains that are made up of finer subgrains resulting in a porous structure with an average pore size of 3–4 nm. Transmission Electron Microscopy (TEM) images show two regions, a porous columnar structure on top and a denser region over the glass substrate. Energy Dispersive X-Ray (EDX) analysis, nanocrystal electron diffraction and Raman spectroscopy confirm the presence of the anatase phase, which, together with the porosity of the material, accounts for the observed photocatalytic activity.
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3
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Peiris S, Silva HB, Ranasinghe KN, Bandara SV, Perera IR. Recent development and future prospects of
TiO
2
photocatalysis. J CHIN CHEM SOC-TAIP 2021. [DOI: 10.1002/jccs.202000465] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Sasanka Peiris
- Australian Institute for Bioengineering and Nanotechnology University of Queensland St Lucia Queensland Australia
| | - Haritha B. Silva
- Department of Chemistry, Faculty of Science University of Peradeniya Peradeniya Sri Lanka
| | - Kumudu N. Ranasinghe
- Department of Chemistry, Faculty of Science University of Peradeniya Peradeniya Sri Lanka
| | - Sanjaya V. Bandara
- Department of Chemistry, Faculty of Science University of Peradeniya Peradeniya Sri Lanka
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Rezaei-Aghdam E, Shamel A, Khodadadi-Moghaddam M, Ebrahimzadeh Rajaei G, Mohajeri S. Synthesis of TiO2 and ZnO Nanoparticles and CTAB-Stabilized Fe3O4 nanocomposite: kinetics and thermodynamics of adsorption. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-020-04363-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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5
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Manipulating spin polarization of titanium dioxide for efficient photocatalysis. Nat Commun 2020; 11:418. [PMID: 31964887 PMCID: PMC6972883 DOI: 10.1038/s41467-020-14333-w] [Citation(s) in RCA: 111] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 12/30/2019] [Indexed: 11/23/2022] Open
Abstract
Photocatalysis has been regarded as a promising strategy for hydrogen production and high-value-added chemicals synthesis, in which the activity of photocatalyst depends significantly on their electronic structures, however the effect of electron spin polarization has been rarely considered. Here we report a controllable method to manipulate its electron spin polarization by tuning the concentration of Ti vacancies. The characterizations confirm the emergence of spatial spin polarization among Ti-defected TiO2, which promotes the efficiency of charge separation and surface reaction via the parallel alignment of electron spin orientation. Specifically, Ti0.936O2, possessing intensive spin polarization, performs 20-fold increased photocatalytic hydrogen evolution and 8-fold increased phenol photodegradation rates, compared with stoichiometric TiO2. Notably, we further observed the positive effect of external magnetic fields on photocatalytic activity of spin-polarized TiO2, attributed to the enhanced electron-spin parallel alignment. This work may create the opportunity for tailoring the spin-dependent electronic structures in metal oxides. Photocatalyst activity depends significantly on the material’s electronic structures. Here, authors manipulate the electron spin polarization of TiO2 by tuning the concentration of Ti vacancies and show improved photocatalytic activities.
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6
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Bakar SA, Ribeiro C. Nitrogen-doped titanium dioxide: An overview of material design and dimensionality effect over modern applications. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2016. [DOI: 10.1016/j.jphotochemrev.2016.05.001] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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7
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Wang S, Pan L, Song JJ, Mi W, Zou JJ, Wang L, Zhang X. Titanium-Defected Undoped Anatase TiO2 with p-Type Conductivity, Room-Temperature Ferromagnetism, and Remarkable Photocatalytic Performance. J Am Chem Soc 2015; 137:2975-83. [DOI: 10.1021/ja512047k] [Citation(s) in RCA: 430] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Songbo Wang
- Key
Laboratory for Green Chemical Technology of the Ministry of Education,
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Lun Pan
- Key
Laboratory for Green Chemical Technology of the Ministry of Education,
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Jia-Jia Song
- Key
Laboratory for Green Chemical Technology of the Ministry of Education,
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Wenbo Mi
- Tianjin
Key Laboratory of Low Dimensional Materials Physics and Preparation
Technology, Faculty of Science, Tianjin University, Tianjin 300072, China
| | - Ji-Jun Zou
- Key
Laboratory for Green Chemical Technology of the Ministry of Education,
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Li Wang
- Key
Laboratory for Green Chemical Technology of the Ministry of Education,
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Xiangwen Zhang
- Key
Laboratory for Green Chemical Technology of the Ministry of Education,
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovative Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
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8
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Chen A, Qian J, Chen Y, Lu X, Wang F, Tang Z. Enhanced sunlight photocatalytic activity of porous TiO2 hierarchical nanosheets derived from petal template. POWDER TECHNOL 2013. [DOI: 10.1016/j.powtec.2013.07.031] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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9
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Jiang B, Hou Z, Tian C, Zhou W, Zhang X, Wu A, Tian G, Pan K, Ren Z, Fu H. A facile and green synthesis route towards two-dimensional TiO2@Ag heterojunction structure with enhanced visible light photocatalytic activity. CrystEngComm 2013. [DOI: 10.1039/c3ce40510a] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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10
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Nakata K, Fujishima A. TiO2 photocatalysis: Design and applications. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2012. [DOI: 10.1016/j.jphotochemrev.2012.06.001] [Citation(s) in RCA: 2356] [Impact Index Per Article: 196.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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11
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Huang J, Xu X, Gu C, Yao S, Sun Y, Liu J. Large-scale selective preparation of porous SnO2 3D architectures and their gas-sensing property. CrystEngComm 2012. [DOI: 10.1039/c2ce06738b] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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