In situ Raman study of the photoinduced behavior of dye molecules on TiO(2)(hkl) single crystal surfaces

In dye-sensitized solar cells (DSSCs), the TiO(2)/dye interface significantly affects photovoltaic performance. However, the adsorption and photoinduced behavior of dye molecules on the TiO(2) substrate remains unclear. Herein, shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) was us...

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Autores principales: Zhang, Sheng-Pei, Lin, Jia-Sheng, Lin, Rong-Kun, Radjenovic, Petar M., Yang, Wei-Min, Xu, Juan, Dong, Jin-Chao, Yang, Zhi-Lin, Hang, Wei, Tian, Zhong-Qun, Li, Jian-Feng
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8159273/
https://www.ncbi.nlm.nih.gov/pubmed/34094107
http://dx.doi.org/10.1039/d0sc00588f
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author Zhang, Sheng-Pei
Lin, Jia-Sheng
Lin, Rong-Kun
Radjenovic, Petar M.
Yang, Wei-Min
Xu, Juan
Dong, Jin-Chao
Yang, Zhi-Lin
Hang, Wei
Tian, Zhong-Qun
Li, Jian-Feng
author_facet Zhang, Sheng-Pei
Lin, Jia-Sheng
Lin, Rong-Kun
Radjenovic, Petar M.
Yang, Wei-Min
Xu, Juan
Dong, Jin-Chao
Yang, Zhi-Lin
Hang, Wei
Tian, Zhong-Qun
Li, Jian-Feng
author_sort Zhang, Sheng-Pei
collection PubMed
description In dye-sensitized solar cells (DSSCs), the TiO(2)/dye interface significantly affects photovoltaic performance. However, the adsorption and photoinduced behavior of dye molecules on the TiO(2) substrate remains unclear. Herein, shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) was used to study the adsorption and photoinduced behavior of dye (N719) molecules on different TiO(2)(hkl) surfaces. On TiO(2)(001) and TiO(2)(110) surfaces, the in situ SHINERS and mass spectrometry results indicate S[double bond, length as m-dash]C bond cleavage in the anchoring groups of adsorbed N719, whereas negligible bond cleavage occurs on the TiO(2)(111) surface. Furthermore, DFT calculations show the stability of the S[double bond, length as m-dash]C anchoring group on three TiO(2)(hkl) surfaces in the order TiO(2)(001) < TiO(2)(110) < TiO(2)(111), which correlated well with the observed photocatalytic activities. This work reveals the photoactivity of different TiO(2)(hkl) surface structures and can help with the rational design of DSSCs. Thus, this strategy can be applied to real-time probing of photoinduced processes on semiconductor single crystal surfaces.
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spelling pubmed-81592732021-06-04 In situ Raman study of the photoinduced behavior of dye molecules on TiO(2)(hkl) single crystal surfaces Zhang, Sheng-Pei Lin, Jia-Sheng Lin, Rong-Kun Radjenovic, Petar M. Yang, Wei-Min Xu, Juan Dong, Jin-Chao Yang, Zhi-Lin Hang, Wei Tian, Zhong-Qun Li, Jian-Feng Chem Sci Chemistry In dye-sensitized solar cells (DSSCs), the TiO(2)/dye interface significantly affects photovoltaic performance. However, the adsorption and photoinduced behavior of dye molecules on the TiO(2) substrate remains unclear. Herein, shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) was used to study the adsorption and photoinduced behavior of dye (N719) molecules on different TiO(2)(hkl) surfaces. On TiO(2)(001) and TiO(2)(110) surfaces, the in situ SHINERS and mass spectrometry results indicate S[double bond, length as m-dash]C bond cleavage in the anchoring groups of adsorbed N719, whereas negligible bond cleavage occurs on the TiO(2)(111) surface. Furthermore, DFT calculations show the stability of the S[double bond, length as m-dash]C anchoring group on three TiO(2)(hkl) surfaces in the order TiO(2)(001) < TiO(2)(110) < TiO(2)(111), which correlated well with the observed photocatalytic activities. This work reveals the photoactivity of different TiO(2)(hkl) surface structures and can help with the rational design of DSSCs. Thus, this strategy can be applied to real-time probing of photoinduced processes on semiconductor single crystal surfaces. The Royal Society of Chemistry 2020-04-17 /pmc/articles/PMC8159273/ /pubmed/34094107 http://dx.doi.org/10.1039/d0sc00588f Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Zhang, Sheng-Pei
Lin, Jia-Sheng
Lin, Rong-Kun
Radjenovic, Petar M.
Yang, Wei-Min
Xu, Juan
Dong, Jin-Chao
Yang, Zhi-Lin
Hang, Wei
Tian, Zhong-Qun
Li, Jian-Feng
In situ Raman study of the photoinduced behavior of dye molecules on TiO(2)(hkl) single crystal surfaces
title In situ Raman study of the photoinduced behavior of dye molecules on TiO(2)(hkl) single crystal surfaces
title_full In situ Raman study of the photoinduced behavior of dye molecules on TiO(2)(hkl) single crystal surfaces
title_fullStr In situ Raman study of the photoinduced behavior of dye molecules on TiO(2)(hkl) single crystal surfaces
title_full_unstemmed In situ Raman study of the photoinduced behavior of dye molecules on TiO(2)(hkl) single crystal surfaces
title_short In situ Raman study of the photoinduced behavior of dye molecules on TiO(2)(hkl) single crystal surfaces
title_sort in situ raman study of the photoinduced behavior of dye molecules on tio(2)(hkl) single crystal surfaces
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8159273/
https://www.ncbi.nlm.nih.gov/pubmed/34094107
http://dx.doi.org/10.1039/d0sc00588f
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