CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Self-template synthesis of ATiO(3) (A = Ba, Pb and Sr) perovskites for photocatalytic removal of NO
Cai, SY; Yu, S; Wan, WC; Wen, W; Zhou, Y
2017
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume7Issue:44Pages:27397-27404
Subtype期刊论文
AbstractIn this study, we report a self-template hydrothermal method for the synthesis of ATiO(3) (A = Ba, Pb, and Sr) perovskites using anatase TiO2 nanosheets as precursors. Under hydrothermal conditions, ATiO(3) with different structures and morphology can be obtained. These samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) techniques. The growth mechanism of ATiO(3) was explored by XRD evaluation over different reaction time, and it was observed that PbTiO3 grows most slowly among all the samples including BaTiO3, SrTiO3, BaxPb1-xTiO3 and SrxPb1-xTiO3. The diffusion of A site sources to the solid surface and the reaction at solid/liquid interface could dominate the growth of ATiO(3). All the as-prepared samples exhibited activities toward photocatalytic oxidation of NO at ppb level. Specifically, PbTiO3 has revealed the highest activity under both full spectrum and visible-light irradiation (lambda > 420 nm), whereas BaTiO3 exhibited best selectivity for the formation of ionic species (NO3-), which could be ascribed to different electronic structures and charge separation efficiency of ATiO(3). This study provides some important hints to tune the photocatalytic performances (activity and selectivity) of ATiO(3) through the modification of A site elements.
DOI10.1039/c7ra02433a
Indexed BySCI
Language英语
WOS IDWOS:000402166600026
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27439
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Cai, SY,Yu, S,Wan, WC,et al. Self-template synthesis of ATiO(3) (A = Ba, Pb and Sr) perovskites for photocatalytic removal of NO[J]. RSC ADVANCES,2017,7(44):27397-27404.
APA Cai, SY,Yu, S,Wan, WC,Wen, W,&Zhou, Y.(2017).Self-template synthesis of ATiO(3) (A = Ba, Pb and Sr) perovskites for photocatalytic removal of NO.RSC ADVANCES,7(44),27397-27404.
MLA Cai, SY,et al."Self-template synthesis of ATiO(3) (A = Ba, Pb and Sr) perovskites for photocatalytic removal of NO".RSC ADVANCES 7.44(2017):27397-27404.
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