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Near‐Infrared Sunlight Harvesting in Dye‐Sensitized Solar Cells Via the Insertion of an Upconverter‐TiO 2 Nanocomposite Layer
Author(s) -
Shan GuoBin,
Demopoulos George P.
Publication year - 2010
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.201001816
Subject(s) - nanocomposite , photocurrent , materials science , layer (electronics) , dye sensitized solar cell , doping , optoelectronics , infrared , solar cell , energy conversion efficiency , nanotechnology , optics , chemistry , physics , electrode , electrolyte
Er 3+ ,Yb 3+ co‐doped LaF 3 ‐TiO 2 nanocomposites (UC‐TiO 2 ) are inserted as a middle layer in a novel tri‐layer photoanode design (see Figure) of a dye‐sensitized solar cell (DSSC). The Er 3+ ,Yb 3+ co‐doped LaF 3 part of the nanocomposite helps capture near‐infrared (NIR) light by converting it into visible light absorbable by the dye hence opening the road for the development of DSSCs with higher conversion efficiency and photocurrent output.