Elucidating the role of ultrathin Pt film in back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays

We have systematically studied the effects of ultrathin platinum catalytic films in the sub-10 nm regime on the performance of the back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays. Results indicate that the maximum power conversion efficiency is achieved with a platinum...

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Main Authors: Zhong, Peng, Que, Wenxiu, Chen, Jin, Hu, Xiao
Other Authors: School of Materials Science & Engineering
Format: Article
Language:English
Published: 2013
Online Access:https://hdl.handle.net/10356/95921
http://hdl.handle.net/10220/11366
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-959212020-06-01T10:01:57Z Elucidating the role of ultrathin Pt film in back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays Zhong, Peng Que, Wenxiu Chen, Jin Hu, Xiao School of Materials Science & Engineering We have systematically studied the effects of ultrathin platinum catalytic films in the sub-10 nm regime on the performance of the back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays. Results indicate that the maximum power conversion efficiency is achieved with a platinum film of 2.48 nm thickness. The charge transfer resistance sharply decreases from 6.39 Ω cm−2 (1.24 nm) to 0.24 Ω cm−2 (2.48 nm); however, subsequently, it keeps on increasing to 0.76 Ω cm−2 (3.72 nm) and 1.36 Ω cm−2 (5.58 nm); finally, it re-decreases to 0.25 Ω cm−2 (8.06 nm), and remains stable afterwards. The platinum film morphology and particle size on the counterelectrode have been demonstrated to play an important role in catalytic activity in the ultrathin thickness range. This study is meaningful from the aspect of improving the performance of the back-illuminated devices and reducing cost; and meanwhile sheds light on the main factors of influencing catalytic activity in the ultrathin catalytic films. 2013-07-15T02:36:43Z 2019-12-06T19:23:21Z 2013-07-15T02:36:43Z 2019-12-06T19:23:21Z 2012 2012 Journal Article Zhong, P., Que, W., Chen, J., & Hu, X. (2012). Elucidating the role of ultrathin Pt film in back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays. Journal of Power Sources, 210, 38-41. 0378-7753 https://hdl.handle.net/10356/95921 http://hdl.handle.net/10220/11366 10.1016/j.jpowsour.2012.02.094 en Journal of power sources © 2012 Elsevier B.V.
institution Nanyang Technological University
building NTU Library
country Singapore
collection DR-NTU
language English
description We have systematically studied the effects of ultrathin platinum catalytic films in the sub-10 nm regime on the performance of the back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays. Results indicate that the maximum power conversion efficiency is achieved with a platinum film of 2.48 nm thickness. The charge transfer resistance sharply decreases from 6.39 Ω cm−2 (1.24 nm) to 0.24 Ω cm−2 (2.48 nm); however, subsequently, it keeps on increasing to 0.76 Ω cm−2 (3.72 nm) and 1.36 Ω cm−2 (5.58 nm); finally, it re-decreases to 0.25 Ω cm−2 (8.06 nm), and remains stable afterwards. The platinum film morphology and particle size on the counterelectrode have been demonstrated to play an important role in catalytic activity in the ultrathin thickness range. This study is meaningful from the aspect of improving the performance of the back-illuminated devices and reducing cost; and meanwhile sheds light on the main factors of influencing catalytic activity in the ultrathin catalytic films.
author2 School of Materials Science & Engineering
author_facet School of Materials Science & Engineering
Zhong, Peng
Que, Wenxiu
Chen, Jin
Hu, Xiao
format Article
author Zhong, Peng
Que, Wenxiu
Chen, Jin
Hu, Xiao
spellingShingle Zhong, Peng
Que, Wenxiu
Chen, Jin
Hu, Xiao
Elucidating the role of ultrathin Pt film in back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays
author_sort Zhong, Peng
title Elucidating the role of ultrathin Pt film in back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays
title_short Elucidating the role of ultrathin Pt film in back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays
title_full Elucidating the role of ultrathin Pt film in back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays
title_fullStr Elucidating the role of ultrathin Pt film in back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays
title_full_unstemmed Elucidating the role of ultrathin Pt film in back-illuminated dye-sensitized solar cells using anodic TiO2 nanotube arrays
title_sort elucidating the role of ultrathin pt film in back-illuminated dye-sensitized solar cells using anodic tio2 nanotube arrays
publishDate 2013
url https://hdl.handle.net/10356/95921
http://hdl.handle.net/10220/11366
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