IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Enhanced visible light-driven activity of TiO2 nanotube array photoanode co-sensitized by "green" AgInS2 photosensitizer and In2S3 buffer layer
Sun, Mengmeng1,2; Chen, Zhuoyuan1,2; Li, Jiarun1; Hou, Jian2; Xu, Fengling2; Xu, Likun2; Zeng, Rongchang3
2018-04-10
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume269Pages:429-440
Corresponding AuthorChen, Zhuoyuan(zychen@qdio.ac.cn)
AbstractThe AgInS2/In2S3 nanoparticles (NPs) co-sensitized TiO2 nanotube array (NTA) photoanodes with high photoelectrochemical (PEC) conversion efficiency are prepared and optimized. The In2S3 buffer layer around AgInS2 absorber layer significantly improves the charge generation/separation efficiency of the prepared photoanode. Compared with single AgInS2 NPs sensitized TiO2 NTAs, the design of the AgInS2/In2S3 heterojunction NPs sensitized TiO2 NTAs further promotes the charge transfer in the system, and avoids the unmatched energy band alignment between AgInS2 and TiO2. The AgInS2(3)/In2S3(5) NPs co-sensitized TiO2 NTAs possess the best PEC conversion performance. The AgInS2 and In2S3 NPs distribute uniformly on TiO2 NTAs to form close interfacial adhesion. Simultaneously, the one-dimensional TiO2 nanotubes serve as the direct electron pathways and ensure the rapid collection of charge carriers generated by the system. Moreover, due to the more negative Fermi levels and energy band potentials of AgInS2 and In2S3, the prepared TiO2 NTA/AgInS2(3)/In2S3(5) photoanode also exhibits an excellent PEC cathodic protection performance for 316L stainless steel in NaCl solution. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordAgInS2 nanoparticles In2S3 buffer layer Co-sensitized TiO2 nanotube array photoanodes Photoelectrochemical conversion efficiency Photoelectrochemical cathodic protection
DOI10.1016/j.electacta.2018.03.035
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41676069] ; National Natural Science Foundation of China[41376126] ; State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, China[KF160402] ; Qingdao Innovative Leading Talent Foundation[15-10-3-15-(39)-zch] ; Qingdao Science and Technology Achievement Transformation Guidance Plan (Applied Basic Research)[14-2-4-4-jch]
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
WOS IDWOS:000428806700051
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/158678
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorChen, Zhuoyuan
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Luoyang Ship Mat Res Inst, State Key Lab Marine Corros & Protect, Wenhai Rd, Qingdao 266237, Peoples R China
3.Shandong Univ Sci & Technol, Coll Mat Sci & Engn, 579 Qianwangang Rd, Qingdao 266590, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Sun, Mengmeng,Chen, Zhuoyuan,Li, Jiarun,et al. Enhanced visible light-driven activity of TiO2 nanotube array photoanode co-sensitized by "green" AgInS2 photosensitizer and In2S3 buffer layer[J]. ELECTROCHIMICA ACTA,2018,269:429-440.
APA Sun, Mengmeng.,Chen, Zhuoyuan.,Li, Jiarun.,Hou, Jian.,Xu, Fengling.,...&Zeng, Rongchang.(2018).Enhanced visible light-driven activity of TiO2 nanotube array photoanode co-sensitized by "green" AgInS2 photosensitizer and In2S3 buffer layer.ELECTROCHIMICA ACTA,269,429-440.
MLA Sun, Mengmeng,et al."Enhanced visible light-driven activity of TiO2 nanotube array photoanode co-sensitized by "green" AgInS2 photosensitizer and In2S3 buffer layer".ELECTROCHIMICA ACTA 269(2018):429-440.
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