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Acoustic Enhancement of Polymer/ZnO Nanorod Photovoltaic Device Performance
Author(s) -
Shoaee Safa,
Briscoe Joe,
Durrant James R.,
Dunn Steve
Publication year - 2014
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.201303304
Subject(s) - materials science , nanorod , photovoltaic system , nanotechnology , polymer , optoelectronics , composite material , electrical engineering , engineering
Acoustic vibrations are shown to enhance the photovoltaic efficiency of a P3HT/ZnO nanorod solar cell by up to 45%, correlated to a three‐fold increase in charge carrier lifetime. This is assigned to the generation of piezoelectric dipoles in the ZnO nanorods, indicating that the efficiency of solar cells may be enhanced in the presence of ambient vibrations by the use of piezoelectric materials.