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Metal Oxide/Carbide/Carbon Nanocomposites: In Situ Synthesis, Characterization, Calculation, and their Application as an Efficient Counter Electrode Catalyst for Dye‐Sensitized Solar Cells
Author(s) -
Yun Sining,
Zhang Hong,
Pu Huihai,
Chen Junhong,
Hagfeldt Anders,
Ma Tingli
Publication year - 2013
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201300242
Subject(s) - materials science , nanocomposite , auxiliary electrode , adsorption , oxide , electrode , characterization (materials science) , carbon fibers , nanotechnology , carbide , photovoltaic system , composite number , catalysis , dye sensitized solar cell , chemical engineering , composite material , chemistry , electrical engineering , organic chemistry , metallurgy , engineering , electrolyte
TaO‐ and TaC‐based nanocomposites as novel and low‐cost counter electrodes (CEs) in dye‐sensitized solar cells (DSCs) show outstanding electrocatalytic activity and photovoltaic performance, superior to the Pt electrode. Based on the first‐principles density functional theory (DFT) calculations, I 3 is chemisorbed onto the TaO surface as opposed to physical adsorption on the TaC surface. The TaO‐based composite is more efficient than the TaC‐based composite as a CE in DSCs.