Issue 27, 2013
From the journal:

Chemical Communications

Three dimensional-TiO2nanotube array photoanode architectures assembled on a thin hollow nanofibrous backbone and their performance in quantum dot-sensitized solar cells†

Hyungkyu Han,‡a   P. Sudhagar,‡bc   Taeseup Song,a   Yeryung Jeon,b   Iván Mora-Seró,d   Francisco Fabregat-Santiago,d   Juan Bisquert,d   Yong Soo Kang*bc  and  Ungyu Paik*ab  

* Corresponding authors

a Department of Materials Science & Engineering, Hanyang University, Seoul 133791, South Korea

b World Class University Program Department of Energy Engineering, Hanyang University, Seoul 133791, South Korea
E-mail: upaik@hanyang.ac.kr

c Center for Next Generation Dye-Sensitized Solar Cells, Hanyang University, Seoul 133791, South Korea
E-mail: kangys@hanyang.ac.kr

d Photovoltaics and Optoelectronic Devices Group, Departament de Física Universitat Jaume I, 12071 Castelló, Spain

Abstract

Facile synthesis of TiO2 nanotube branched (length ∼0.5 μm) thin hollow-nanofibers is reported. The hierarchical three dimensional photoanodes (H-TiO2-NFs) (only ∼1 μm thick) demonstrate their excellent candidature as photoanodes in QD-sensitized solar cells, exhibiting ∼3-fold higher energy conversion efficiency (η = 2.8%, Jsc = 8.8 mA cm−2) than that of the directly grown nanotube arrays on a transparent conducting oxide (TCO) substrate (η = 0.9%, Jsc = 2.5 mA cm−2).

Graphical abstract: Three dimensional-TiO2 nanotube array photoanode architectures assembled on a thin hollow nanofibrous backbone and their performance in quantum dot-sensitized solar cells

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Article information

DOI
https://doi.org/10.1039/C3CC40439K
Article type
Communication
Submitted
18 Jan 2013
Accepted
15 Feb 2013
First published
18 Feb 2013

Chem. Commun., 2013,49, 2810-2812

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Three dimensional-TiO2 nanotube array photoanode architectures assembled on a thin hollow nanofibrous backbone and their performance in quantum dot-sensitized solar cells

H. Han, P. Sudhagar, T. Song, Y. Jeon, I. Mora-Seró, F. Fabregat-Santiago, J. Bisquert, Y. S. Kang and U. Paik, Chem. Commun., 2013, 49, 2810 DOI: 10.1039/C3CC40439K

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