| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1785794 | Current Applied Physics | 2016 | 5 Pages |
•The absorbance of composites increases and appears red-shift.•The photo-induced charge separation rate has been enhanced.•The photocatalytic activity has been greatly promoted.
(BiO)2CO3/BiOI heterojunctions were prepared in-situ by a pore impregnating method using HI aqueous solution. The specific surface area, structure, morphology, and charge separation properties of the heterostructures prepared were characterized by Brunauer–Emmett–Teller (BET) method, X-ray diffraction (XRD), scanning electron microscopy (SEM), and surface photovoltage (SPV) spectroscopy, respectively. The active species were investigated using scavengers. The photocatalytic activities of (BiO)2CO3/BiOI heterojunctions towards discoloration of rhodamine B (RhB) under simulated sun light irradiation were evaluated. Benefiting from enhanced charge separation efficiency, the composite photocatalysts exhibit higher photocatalytic performance than the pure BiOI. Finally, the possible reason was discussed.
