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Issue 13, 2013
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Large improvement of photo-response of CuPc sensitized Bi2WO6 with enhanced photocatalytic activity

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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 Bi2WO6. 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/Bi2WO6/FTO electrode showed photocurrent response. The photo-degradation of RhB and phenol under simulated solar light demonstrated that the CuPc–Bi2WO6 composite exhibited much higher photocatalytic activity than bare Bi2WO6. 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.

Graphical abstract: Large improvement of photo-response of CuPc sensitized Bi2WO6 with enhanced photocatalytic activity

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Publication details

The article was received on 02 Nov 2012, accepted on 02 Jan 2013 and first published on 04 Jan 2013


Article type: Paper
DOI: 10.1039/C2DT32622A
Citation: Dalton Trans., 2013,42, 4579-4585
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    Large improvement of photo-response of CuPc sensitized Bi2WO6 with enhanced photocatalytic activity

    Z. Zhang, W. Wang and L. Zhang, Dalton Trans., 2013, 42, 4579
    DOI: 10.1039/C2DT32622A

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