IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Coaxial titanium vanadium nitride core-sheath nanofiberswith enhanced electrocatalytic activity for triiodide reduction in dye-sensitized solar cells
Zhang, Xiaoying1; Hao, Yilei2; Shang, Chaoqun3; Chen, Xiao4; Li, Weihua1; Hu, Songqing2; Cui, Guanglei4
2018-05-01
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume271Pages:388-396
Corresponding AuthorZhang, Xiaoying(zhangxy@qibebt.ac.cn) ; Li, Weihua() ; Hu, Songqing() ; Cui, Guanglei()
AbstractCoaxial titanium vanadium nitride core-sheath nanofibers (VN@TiN) with mesoporous structure are fabricated and explored as efficient Pt-free counter electrodes (CEs) for Dye-sensitized Solar Cells (DSCs). For these nanofibers, the TiN core is covered with a sheath of VN, and their boundary is a continuous series of TiVN solid solutions. Both electrochemical tests and density functional theory computations indicate that the combination of core-sheath nanofibers structure design and the formation of TiVN solid solutions significantly enhance the triiodide reduction activity of parental TiN and VN. Impressively, the devices employing VN@TiN core-sheath nanofibers CEs yield 8.98%, which is 17% higher than that device with Pt CE (7.64%). The design strategy developed in this study may promote a boom in a promising alternative CE for future large-scale application of DSCs. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordCore-sheath Titanium vanadium nitride Nanofibers Counter electrode Dye-sensitized solar cells
DOI10.1016/j.electacta.2018.03.159
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51609233] ; National Science Fund for Distinguished Young Scholars[51525903] ; Shandong Provincial Natural Science Foundation[ZR2016EEQ16] ; Shandong Provincial Key Research and Development Plan[2017GHY15118] ; Nantong science and technology plan[GY12016046]
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
WOS IDWOS:000430369800044
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/158675
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorZhang, Xiaoying; Li, Weihua; Hu, Songqing; Cui, Guanglei
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
2.China Univ Petr East China, Dept Mat Phys & Chem, Coll Sci, Qingdao 266580, Peoples R China
3.South China Normal Univ, South China Acad Adv Optoelect, Guangzhou, Guangdong, Peoples R China
4.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, 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
Zhang, Xiaoying,Hao, Yilei,Shang, Chaoqun,et al. Coaxial titanium vanadium nitride core-sheath nanofiberswith enhanced electrocatalytic activity for triiodide reduction in dye-sensitized solar cells[J]. ELECTROCHIMICA ACTA,2018,271:388-396.
APA Zhang, Xiaoying.,Hao, Yilei.,Shang, Chaoqun.,Chen, Xiao.,Li, Weihua.,...&Cui, Guanglei.(2018).Coaxial titanium vanadium nitride core-sheath nanofiberswith enhanced electrocatalytic activity for triiodide reduction in dye-sensitized solar cells.ELECTROCHIMICA ACTA,271,388-396.
MLA Zhang, Xiaoying,et al."Coaxial titanium vanadium nitride core-sheath nanofiberswith enhanced electrocatalytic activity for triiodide reduction in dye-sensitized solar cells".ELECTROCHIMICA ACTA 271(2018):388-396.
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