Three dimensional-TiO2 nanotube array photoanode architectures assembled on a thin hollow nanofibrous backbone and their performance in quantum dot-sensitized solar cellsElectronic supplementary information (ESI) available: Experimental and characterization details. See DOI: 10.1039/c3cc40439k

Facile synthesis of TiO 2 nanotube branched (length ∼0.5 μm) thin hollow-nanofibers is reported. The hierarchical three dimensional photoanodes (H-TiO 2 -NFs) (only ∼1 μm thick) demonstrate their excellent candidature as photoanodes in QD-sensitized solar cells, exhibiting ∼3-fold higher energy conv...

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Main Authors: Han, Hyungkyu, Sudhagar, P, Song, Taeseup, Jeon, Yeryung, Mora-Seró, Iván, Fabregat-Santiago, Francisco, Bisquert, Juan, Kang, Yong Soo, Paik, Ungyu
Format: Article
Language:English
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Summary:Facile synthesis of TiO 2 nanotube branched (length ∼0.5 μm) thin hollow-nanofibers is reported. The hierarchical three dimensional photoanodes (H-TiO 2 -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%, J sc = 8.8 mA cm −2 ) than that of the directly grown nanotube arrays on a transparent conducting oxide (TCO) substrate ( η = 0.9%, J sc = 2.5 mA cm −2 ). Facile synthesis of TiO 2 nanotube branched (length ∼0.5 μm) thin hollow-nanofibers is reported.
ISSN:1359-7345
1364-548X
DOI:10.1039/c3cc40439k