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Consecutive metal oxides with self-supported nanoarchitecture achieves highly stable and enhanced photoelectrocatalytic oxidation for water purification

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Title
Consecutive metal oxides with self-supported nanoarchitecture achieves highly stable and enhanced photoelectrocatalytic oxidation for water purification
Author(s)
Li, Huijun; Lyu, Jiahui; Chen, Yan; Jian, Linhan; Li, Ruochang; Xinghui Liu; Dong, Xiaoli; Ma, Chun; Ma, Hongchao
Publication Date
2021-03
Journal
JOURNAL OF SOLID STATE ELECTROCHEMISTRY, v.25, no.3, pp.1083 - 1092
Publisher
SPRINGER
Abstract
© 2021 Springer Nature Switzerland AG. Owing to its low cost and plentiful different semiconductor configurations resources, photoelectrocatalysis (PEC) has come into the spotlight in large-scale water purification systems. However, the insufficiency of photoelectrocatalytic performance and the issues of long-term durability of current electrode materials are the main bottlenecks for future latent applications. Here, we reported that the multidimensional Ti/SnO2-Sb/PbO2/ZnO nanoarchitecture (PbO2 nanotrees grown on Sb-doped SnO2 nanowires, then ZnO nanowall embedded into PbO2 nanotrees' skeleton) significantly boosts the PEC properties in terms of the organic contaminated water treatment (i.e., reactive brilliant blue KN-R). Benefiting from the synergistic effects of ZnO and PbO2 (the ZnO can be used as the supply station of water, promptly transferring water molecules to adjacent PbO2 to yield hydroxyl radicals), Ti/SnO2-Sb/PbO2/ZnO electrode manifests an unprecedented removal rate of dye, large electroactive areas, noticeable wettability, and high separation efficiency of induced carriers, better stability, which represents a type of promising material in the applications of water purification.
URI
https://pr.ibs.re.kr/handle/8788114/9509
DOI
10.1007/s10008-020-04886-7
ISSN
1432-8488
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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