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Hybrid 0D-2D Nanoheterostructures: In Situ Growth of Amorphous Silver Silicates Dots on g-C3N4 Nanosheets for Full-Spectrum Photocatalysis

文献类型：期刊论文

作者Zhang, Shouwei1; Gao, Huihui1; Liu, Xia2; Huang, Yongshun2; Xu, Xijin1; Alharbi, Njud S.4; Hayat, Tasawar4; Li, Jiaxing2,3,4
刊名ACS APPLIED MATERIALS & INTERFACES
出版日期2016-12-28
卷号8期号:51页码:35138-35149
关键词Photocatalysis 0d-2d G-c3n4 Ultradispersed Amorphous Silver Silicates Interfacial Engineering
DOI10.1021/acsami.6b09260
文献子类Article
英文摘要The smaller particle sizes, better dispersion, and more heterojunction interfaces can enhance the photocatalytic performance of photocatalysts. Herein, ultradispersed amorphous silver silicates/ultrathin g-C3N4 nanosheets heterojunction composites (a-AgSiO/CNNS) with intimate interfacial coupling effect were synthesized through the facile in situ precipitation of ultrafine a-AgSiO (similar to 5.2 nm) uniformly dispersed on the entire surface of hierarchical ultrathin CNNS. In this process, the ultrathin CNNS not only perform as the support to form heterostructures but also are employed as dispersant to confine the aggregation of a-AgSiO nanoparticles. Notably, the optimum photocatalytic activity of a-AgSiO/CNNS-500 composite is similar to 36 and 13 times higher than that of CNNS toward the degradation of rhodamine B and tetracycline, respectively. The excellent photocatalytic activity can be attributed to 'the synergistic interactions of heterojunction with strong interfacial coupling effect, improved visible light absorbance, abundant heterojunction interfaces, and fully exposed reactive sites, which originate from the well-defined nanostructures such as uniform packing of the ultrasmall a-AgSiO, the intimate and maximum coupling interfaces between a-AgSiO and CNNS. We believe that such an easy and scalable synthetic strategy can be further extended to the fabrication of other ultrafine semiconductors coupled with g-C3N4 for increasing its photocatalytic performance.
WOS关键词GRAPHITIC CARBON NITRIDE ; VISIBLE-LIGHT IRRADIATION ; MECHANISM INSIGHT ; HETEROSTRUCTURED PHOTOCATALYSTS ; COMPOSITE PHOTOCATALYST ; ENHANCED PHOTOCATALYSIS ; HYDROGEN EVOLUTION ; ORGANIC POLLUTANTS ; IONIC LIQUID ; PERFORMANCE
WOS研究方向Science & Technology - Other Topics ; Materials Science
语种英语
WOS记录号WOS:000391081700022
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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/21788]  
专题合肥物质科学研究院_中科院等离子体物理研究所
作者单位1.Univ Jinan, Sch Phys & Technol, Jinan 250022, Shandong, Peoples R China
2.Chinese Acad Sci, Inst Plasma Phys, Key Lab Novel Thin Film Solar Cells, POB 1126, Hefei 230031, Peoples R China
3.Jiangsu Higher Educ Inst, Collaborat Innovat Ctr Radiat Med, Suzhou 215123, Jiangsu, Peoples R China
4.King Abdulaziz Univ, Fac Sci, NAAM Res Grp, Jeddah 21589, Saudi Arabia
推荐引用方式
GB/T 7714		 Zhang, Shouwei,Gao, Huihui,Liu, Xia,et al. Hybrid 0D-2D Nanoheterostructures: In Situ Growth of Amorphous Silver Silicates Dots on g-C3N4 Nanosheets for Full-Spectrum Photocatalysis[J]. ACS APPLIED MATERIALS & INTERFACES,2016,8(51):35138-35149.
APA Zhang, Shouwei.,Gao, Huihui.,Liu, Xia.,Huang, Yongshun.,Xu, Xijin.,...&Li, Jiaxing.(2016).Hybrid 0D-2D Nanoheterostructures: In Situ Growth of Amorphous Silver Silicates Dots on g-C3N4 Nanosheets for Full-Spectrum Photocatalysis.ACS APPLIED MATERIALS & INTERFACES,8(51),35138-35149.
MLA Zhang, Shouwei,et al."Hybrid 0D-2D Nanoheterostructures: In Situ Growth of Amorphous Silver Silicates Dots on g-C3N4 Nanosheets for Full-Spectrum Photocatalysis".ACS APPLIED MATERIALS & INTERFACES 8.51(2016):35138-35149.

入库方式： OAI收割

来源：合肥物质科学研究院

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