Photo-electrochemical water splitting system with three-layer n-type organic semiconductor film as photoanode under visible irradiation
Photo-electrochemical water splitting system with three-layer n-type organic semiconductor film as photoanode under visible irradiation
摘要
A three-layer structure of n-type organic semiconductors （PTCDA/PTCDA：PCBM/PCBM） is successfully identified as pho- toanode for photoelectrochemical water oxidation during the overall splitting of water into hydrogen/oxygen in a nearly stoi- chiometric ratio （H2：O2 = 2：1） under visible irradiation （2 〉 420 nm）. A possible charge separation mechanism under visible light illumination was also proposed.
A three-layer structure of n-type organic semiconductors(PTCDA/PTCDA:PCBM/PCBM) is successfully identified as photoanode for photoelectrochemical water oxidation during the overall splitting of water into hydrogen/oxygen in a nearly stoichiometric ratio(H2:O2=2:1) under visible irradiation(λ > 420 nm).A possible charge separation mechanism under visible light illumination was also proposed.
基金
supported by the National Natural Science Foundation of China (20920102034,20877076 & 20907056)
the Major State Basic Research Development Program of China (2010CB933503 &2007CB613306)
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