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Solar Cells: Highly Electrocatalytic Activity of RuO 2 Nanocrystals for Triiodide Reduction in Dye‐Sensitized Solar Cells (Small 3/2014)
Author(s) -
Hou Yu,
Chen Zu Peng,
Wang Dong,
Zhang Bo,
Yang Shuang,
Wang Hai Feng,
Hu P.,
Zhao Hui Jun,
Yang Hua Gui
Publication year - 2014
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201470020
Subject(s) - triiodide , electrocatalyst , dye sensitized solar cell , catalysis , nanocrystal , electrochemistry , materials science , auxiliary electrode , inorganic chemistry , ruthenium , electrode , chemical engineering , nanotechnology , chemistry , organic chemistry , electrolyte , engineering
Using a new two‐step strategy, ruthenium dioxide (RuO 2 ) nanocrystals are successfully synthesized and exploited as counter electrode catalysts, which exhibit promising electrocatalytic activity towards triiodide reduction. By virtue of firstprinciple calculations, the catalytic mechanism of electrocatalysis for triiodide reduction is systematically investigated by H. F. Wang, H. G. Yang, and co‐workers on page 484. It is found that the electrochemical triiodide reduction reaction on RuO 2 catalyst surfaces can be significantly enhanced, owing to the ideal combination of good electrocatalytic activity and high electrical conductivity.