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High Efficiency Quantum Dot Heterojunction Solar Cell Using Anatase (001) TiO 2 Nanosheets
Author(s) -
Etgar Lioz,
Zhang Wei,
Gabriel Stefanie,
Hickey Stephen G.,
Nazeeruddin Md K.,
Eychmüller Alexander,
Liu Bin,
Grätzel Michael
Publication year - 2012
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.201104497
Subject(s) - anatase , materials science , heterojunction , solar cell , quantum dot , energy conversion efficiency , optoelectronics , nanotechnology , conduction band , polymer solar cell , nanoparticle , hybrid solar cell , multiple exciton generation , photocatalysis , chemical engineering , electron , catalysis , biochemistry , chemistry , physics , quantum mechanics , engineering
This is the first report of using anatase TiO 2 nanosheets with exposed (001) facets in a high‐efficiency PbS quantum dot/TiO 2 heterojunction solar cell. The TiO 2 nanosheets have higher conduction band, and surface energy compared to normal anatase (101) TiO 2 nanoparticles. This PbS QD/TiO 2 heterojunction solar cell produces power conversion efficiency of 4.7% which is one of the highest reported in literature.