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  • Title: Large improvement of photo-response of CuPc sensitized Bi(2)WO(6) with enhanced photocatalytic activity.
    Author: Zhang Z, Wang W, Zhang L.
    Journal: Dalton Trans; 2013 Apr 07; 42(13):4579-85. PubMed ID: 23353782.
    Abstract:
    In order to harvest the solar energy more efficiently, a novel photocatalyst was designed by introducing an organic dye sensitizer, copper phthalocyanine (CuPc), into an inorganic semiconductor Bi(2)WO(6). This composite photocatalyst exhibited an improved photo-response in the whole visible spectrum and even the near infrared region. Under a red LED (λ = 620 nm) irradiation, the CuPc/Bi(2)WO(6)/FTO electrode showed photocurrent response. The photo-degradation of RhB and phenol under simulated solar light demonstrated that the CuPc-Bi(2)WO(6) composite exhibited much higher photocatalytic activity than bare Bi(2)WO(6). Moreover, the composite photocatalyst also showed photo-activity under a red LED (λ = 620 nm) irradiation, further testifying the sensitization effect of CuPc. This study provides a new strategy to increase the utilization rate of solar energy substantially.
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