Premium
Application of a Bilayer TiO 2 Nanofiber Photoanode for Optimization of Dye‐Sensitized Solar Cells
Author(s) -
Yang Lijun,
Leung Wallace WoonFong
Publication year - 2011
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.201102717
Subject(s) - nanofiber , materials science , electrospinning , bilayer , layer (electronics) , energy conversion efficiency , dye sensitized solar cell , nanotechnology , adsorption , chemical engineering , optoelectronics , composite material , membrane , polymer , electrode , organic chemistry , chemistry , engineering , electrolyte , biology , genetics
The power conversion efficiency of dye‐sensitized solar cells can be increased above 8% by using a one‐dimensional bilayer nanofiber photoanode. The smaller‐diameter nanofiber layer with a large surface for adsorbed sensitized dyes efficiently harvests sunlight and transports photogenerated electrons, while the bigger‐diameter nanofiber layer reflects and traps sunlight in the photoanode. Both nanofiber layers can be fabricated readily by electrospinning.