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Hierarchically Structured Nanotubes for Highly Efficient Dye‐Sensitized Solar Cells
Author(s) -
Ye Meidan,
Zheng Dajiang,
Lv Miaoqiang,
Chen Chang,
Lin Changjian,
Lin Zhiqun
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201205274
Subject(s) - materials science , dye sensitized solar cell , nanotube , anodizing , nanotechnology , foil method , hydrothermal circulation , energy conversion efficiency , optoelectronics , carbon nanotube , chemical engineering , composite material , electrolyte , aluminium , electrode , chemistry , engineering
Hierarchical TiO 2 nanotube arrays grown on Ti foil are yielded by subjecting electrochemically anodized, vertically oriented TiO 2 nanotube arrays to hydrothermal processing. The resulting DSSCs exhibit a significantly enhanced power conversion efficiency of 7.24%, which is a direct consequence of the synergy of higher dye loading, superior light‐scattering ability, and fast electron transport.