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Toward Efficient Preconcentrating Photocatalysis: 3D g-C3N4 Monolith with Isotype Heterojunctions Assembled from Hybrid 1D and 2D Nanoblocks
Xu, Yingfeng; Guo, Qiaoqi; Huang, Le; Feng, Huajun; Zhang, Chen; Xu, Haiqun; Wang, Meizhen
2019-09-04
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume11Issue:35Pages:31934
SubtypeArticle
AbstractThe macroscopic integration of the microscopic catalyst is one of the most promising strategies for photocatalytic technology in facing practical applications. However, in addition to the unsatisfactory photoactivated exciton separation, a new problem restricting the catalytic efficiency is the unmatched kinetics between the reactant diffusion and the photochemical reaction. Here, we report an isotype heterojunctional three-dimensional g-C3N4 monolith which is assembled from the hybrid building blocks of the nanowires and nanosheets. Benefiting from its hierarchically porous network and abundant heterojunctions, this catalytic system exhibits inherently promoted efficiency in light absorption and exciton separation, thus leading to a desirably improved photocatalytic performance. Furthermore, thanks to the structural and functional advantages of the constructed g-C3N4 monolith, a novel strategy of preconcentrating photocatalysis featuring the successive filtration, adsorption, and photocatalysis has been further developed, which could technically coordinate the kinetic differences and result in over-ten-time enhancement on the efficiency compared with the traditional photocatalytic system. Beyond providing new insights into the structural design and innovative application of the monolithic photocatalyst, this work may further open up novel technological revolutions in sewage treatment, air purification, microbial control, etc.
Keywordmacroscopic assembly monolithic g-C3N4 isotype heterojunction adsorption preconcentrating photocatalysis
DOI10.1021/acsami.9b09290
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26849
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Xu, Yingfeng,Guo, Qiaoqi,Huang, Le,et al. Toward Efficient Preconcentrating Photocatalysis: 3D g-C3N4 Monolith with Isotype Heterojunctions Assembled from Hybrid 1D and 2D Nanoblocks[J]. ACS APPLIED MATERIALS & INTERFACES,2019,11(35):31934.
APA Xu, Yingfeng.,Guo, Qiaoqi.,Huang, Le.,Feng, Huajun.,Zhang, Chen.,...&Wang, Meizhen.(2019).Toward Efficient Preconcentrating Photocatalysis: 3D g-C3N4 Monolith with Isotype Heterojunctions Assembled from Hybrid 1D and 2D Nanoblocks.ACS APPLIED MATERIALS & INTERFACES,11(35),31934.
MLA Xu, Yingfeng,et al."Toward Efficient Preconcentrating Photocatalysis: 3D g-C3N4 Monolith with Isotype Heterojunctions Assembled from Hybrid 1D and 2D Nanoblocks".ACS APPLIED MATERIALS & INTERFACES 11.35(2019):31934.
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