CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Simulated solar driven catalytic degradation of psychiatric drug carbamazepine with binary BiVO4 heterostructures sensitized by graphene quantum dots
Tang, L; Wang, JJ; Jia, CT; Lv, GX; Xu, G; Li, WT; Wang, L; Zhang, JY; Wu, MH
2017
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
Volume205Pages:587-596
Subtype期刊论文
AbstractHerein, solar-driven GQDs loaded BiVO4 heterostructure catalysts were fabricated and employed to degradate carbamazepine (CBZ) under simulated solar light. The as-prepared ternary catalysts (GQD/m-BiVO4/t-BiVO4) were thoroughly characterized by TEM, HRTEM, XRD, XPS, UV-vis, Raman and PL. The characterization results demonstrated that GQDs are well-dispersed on binary BiVO4 support, and the optical properties of the composites are improved with GQDs loaded. The photocatalytic activities of the novel composite catalysts were significantly increased by incorporation of GQDs on original BiVO4 semiconductor. In particular, the 1.0 wt% GQD loaded catalysts exhibited the highest photocatalytic activity for CBZ, and the mineralization degree of CBZ with the catalysts could achieve more than 95%. In addition, the transformation products (TPs) of CBZ during the catalysis processes were tentatively identified, and hydroxyl radicals were regarded as the predominant active species. From the results of density functional theory (DFT) calculations and evolution of TPs, hydroxylation and cleavage of amide group on the heterocycle may be the main initial photocatalytic degradation channels for CBZ under the catalysis of GQD/BiVO4. (C) 2016 Published by Elsevier B.V.
KeywordGqd/m-biva(4)/t-bivo4 Simulated Solar-light Photocatalysis Carbamazepine Mechanisms
DOI10.1016/j.apcatb.2016.10.067
Indexed BySCI
Language英语
WOS IDWOS:000393931000061
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27443
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Tang, L,Wang, JJ,Jia, CT,et al. Simulated solar driven catalytic degradation of psychiatric drug carbamazepine with binary BiVO4 heterostructures sensitized by graphene quantum dots[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2017,205:587-596.
APA Tang, L.,Wang, JJ.,Jia, CT.,Lv, GX.,Xu, G.,...&Wu, MH.(2017).Simulated solar driven catalytic degradation of psychiatric drug carbamazepine with binary BiVO4 heterostructures sensitized by graphene quantum dots.APPLIED CATALYSIS B-ENVIRONMENTAL,205,587-596.
MLA Tang, L,et al."Simulated solar driven catalytic degradation of psychiatric drug carbamazepine with binary BiVO4 heterostructures sensitized by graphene quantum dots".APPLIED CATALYSIS B-ENVIRONMENTAL 205(2017):587-596.
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