Journal
CHEMICAL COMMUNICATIONS
Volume 49, Issue 27, Pages 2810-2812Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc40439k
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Funding
- Engineering Research Center Program through a National Research Foundation of Korea (NRF) grant
- Ministry of Education, Science and Technology (MEST) [2012-0000591]
- World Class University (WCU) program [NoR31-2008-000-10092]
- National Research Foundation of Korea (NRF) [K20704000003TA050000310]
- Global Research Laboratory (GRL) Program
- International Cooperation program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant
- Korea government Ministry of Knowledge Economy [2011T100100369]
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Facile synthesis of TiO2 nanotube branched (length similar to 0.5 mu m) thin hollownanofibers is reported. The hierarchical three dimensional photoanodes (H-TiO2-NFs) (only similar to 1 mu m thick) demonstrate their excellent candidature as photoanodes in QD-sensitized solar cells, exhibiting similar to 3-fold higher energy conversion efficiency (eta = 2.8%, J(sc) = 8.8 mA cm(-2)) than that of the directly grown nanotube arrays on a transparent conducting oxide (TCO) substrate (eta = 0.9%, J(sc) = 2.5 mA cm(-2)).
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