Enhanced photoelectrochemical performance of TiO2 through controlled Ar+ ion irradiation: A combined experimental and theoretical study
文献类型：期刊论文
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| 作者 | Wu, HY; Wang, ZW; Jin SX(靳硕学) ; Cao XZ(曹兴忠); Jin, SX; Cao, XZ; Ren, F; Wu, L; Xing, Z; Wang, XN
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| 刊名 | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
 ; INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
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| 出版日期 | 2018 ; 2018 |
| 卷号 | 43期号:14页码:6936-6944 |
| 关键词 | Ion irradiation Ion irradiation TiO2 Vacancy Photoelectrochemical water splitting TiO2 Vacancy Photoelectrochemical water splitting |
| ISSN号 | 0360-3199 ; 0360-3199 |
| DOI | 10.1016/j.ijhydene.2018.02.061 ; 10.1016/j.ijhydene.2018.02.061 |
| 文献子类 | Article ; Article |
| 英文摘要 | Here we demonstrate that the performance of TiO2 electrodes for photoelectrochemical water oxidation can be effectively enhanced through oxygen vacancy doping. The ion irradiation is a simple method to introduce oxygen vacancies on the surface and into the interior of TiO2 for making oxygen-deficient titania (TiO2-x). The TiO2-x thin films exhibit obvious increase in the performance of photoelectrochemical water splitting under light irradiation. The photoconversion efficiency eta of the TiO2-x photoanode is 0.5-fold higher than that of the pristine TiO2 photoanode, which benefits from the introducing of oxygen vacancies produced by ion irradiation. While the irradiation-induced titanium vacancies act as trapping centers for charge carriers and decrease the photoelectrochemical performance of the samples. Positron annihilation spectroscopy (PAS) was used to study the type of the formed vacancies. Combining experimental with theoretical study, this study demonstrates that ion irradiation technique combing with thermal annealing could be an effective way to enhance the performance of photoanode for water splitting. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.; Here we demonstrate that the performance of TiO2 electrodes for photoelectrochemical water oxidation can be effectively enhanced through oxygen vacancy doping. The ion irradiation is a simple method to introduce oxygen vacancies on the surface and into the interior of TiO2 for making oxygen-deficient titania (TiO2-x). The TiO2-x thin films exhibit obvious increase in the performance of photoelectrochemical water splitting under light irradiation. The photoconversion efficiency eta of the TiO2-x photoanode is 0.5-fold higher than that of the pristine TiO2 photoanode, which benefits from the introducing of oxygen vacancies produced by ion irradiation. While the irradiation-induced titanium vacancies act as trapping centers for charge carriers and decrease the photoelectrochemical performance of the samples. Positron annihilation spectroscopy (PAS) was used to study the type of the formed vacancies. Combining experimental with theoretical study, this study demonstrates that ion irradiation technique combing with thermal annealing could be an effective way to enhance the performance of photoanode for water splitting. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved. |
| 电子版国际标准刊号 | 1879-3487 ; 1879-3487 |
| WOS关键词 | POSITRON-ANNIHILATION SPECTROSCOPY ; POSITRON-ANNIHILATION SPECTROSCOPY ; TITANIUM-DIOXIDE ; VISIBLE-LIGHT ; RAMAN-SCATTERING ; NANOTUBE ARRAYS ; NANOWIRE ARRAYS ; SINGLE-CRYSTALS ; DEFECTS ; WATER ; NANOCRYSTALS ; TITANIUM-DIOXIDE ; VISIBLE-LIGHT ; RAMAN-SCATTERING ; NANOTUBE ARRAYS ; NANOWIRE ARRAYS ; SINGLE-CRYSTALS ; DEFECTS ; WATER ; NANOCRYSTALS |
| WOS研究方向 | Chemistry ; Chemistry ; Electrochemistry ; Energy & Fuels ; Electrochemistry ; Energy & Fuels |
| 语种 | 英语 ; 英语 |
| WOS记录号 | WOS:000430519500015 ; WOS:000430519500015 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/285835]  |
| 专题 | 高能物理研究所_多学科研究中心 高能物理研究所_核技术应用研究中心 高能物理研究所_东莞分部 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Wu, HY,Wang, ZW,Jin SX,et al. Enhanced photoelectrochemical performance of TiO2 through controlled Ar+ ion irradiation: A combined experimental and theoretical study, Enhanced photoelectrochemical performance of TiO2 through controlled Ar+ ion irradiation: A combined experimental and theoretical study[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2018, 2018,43, 43(14):6936-6944, 6936-6944. |
| APA | Wu, HY.,Wang, ZW.,靳硕学.,曹兴忠.,Jin, SX.,...&Jiang, CZ.(2018).Enhanced photoelectrochemical performance of TiO2 through controlled Ar+ ion irradiation: A combined experimental and theoretical study.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,43(14),6936-6944. |
| MLA | Wu, HY,et al."Enhanced photoelectrochemical performance of TiO2 through controlled Ar+ ion irradiation: A combined experimental and theoretical study".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 43.14(2018):6936-6944. |
入库方式： OAI收割
来源：高能物理研究所
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