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A facile synthesis of C3N4-modified TiO2 nanotube embedded Pt nanoparticles for photocatalytic water splitting
Du, Yu-Bing1,2; Wang, Nan1; Li, Xiang-Nan1,2; Li, Juan1; Wu, Liang-Peng1; Peng, Quan-Ming1; Li, Xin-Jun1
2021-08-20
发表期刊RESEARCH ON CHEMICAL INTERMEDIATES
ISSN0922-6168
页码14
通讯作者Li, Xin-Jun(lixj@ms.giec.ac.cn)
摘要Construction of high-efficient and low-cost heterostructure photocatalyst is crucial for hydrogen production in solar driven water splitting. Herein, g-C3N4-modified TiO2 nanotubes (TNTs) with confined Pt nanoparticles were prepared via a facile two-step process. The results of structure characterizations by XRD, TEM, and XPS reveal that Pt nanoparticles with the average size of 2-3 nm are embedded in the inner cavity of the TiO2 nanotube, and amorphous g-C3N4 is attached to the outer wall of anatase TNTs. The as-prepared g-C3N4/TNTs@Pt ternary composite displays an enhanced visible light-induced absorbance capacity and improved charge carrier recombination rate than that of pure TNTs. The photocatalytic performance is evaluated by hydrogen evolution from water splitting by using methanol as sacrifice agent under solar light illumination. Compared with TNTs@Pt and g-C3N4/Pt photocatalysts, the as-prepared ternary nanocomposite exhibits the highest photocatalytic performance with a H-2 evolution rate of 15.36 mmol h(-1) g(-1). A possible mechanism of photocatalytic H-2 production over the ternary g-C3N4/TNTs@Pt composite is also proposed. This work not only provides a promising low-cost heterostructure candidate for water splitting, but also paves the way to rational design high-performance photocatalysts in solar-to-fuel conversion.
关键词TiO2 nanotubes g-C3N4 modified Pt nanoparticles Photocatalytic Water splitting
DOI10.1007/s11164-021-04571-y
关键词[WOS]GRAPHITIC CARBON NITRIDE ; Z-SCHEME ; COMPOSITE PHOTOCATALYST ; HYDROGEN-PRODUCTION ; CHARGE-TRANSFER ; G-C3N4 ; HETEROJUNCTION ; DEGRADATION ; FABRICATION ; NANOSHEETS
收录类别SCI
语种英语
资助项目Natural Science Foundation of Guangdong Province, China[2021A1515010445] ; Science and Technology Program of Guangzhou, China[201803030019] ; Science and Technology Program of Guangzhou, China[202102020402]
WOS研究方向Chemistry
项目资助者Natural Science Foundation of Guangdong Province, China ; Science and Technology Program of Guangzhou, China
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000686830600001
出版者SPRINGER
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/33658
专题中国科学院广州能源研究所
通讯作者Li, Xin-Jun
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China
2.Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R China
第一作者单位中国科学院广州能源研究所
推荐引用方式
GB/T 7714
Du, Yu-Bing,Wang, Nan,Li, Xiang-Nan,et al. A facile synthesis of C3N4-modified TiO2 nanotube embedded Pt nanoparticles for photocatalytic water splitting[J]. RESEARCH ON CHEMICAL INTERMEDIATES,2021:14.
APA Du, Yu-Bing.,Wang, Nan.,Li, Xiang-Nan.,Li, Juan.,Wu, Liang-Peng.,...&Li, Xin-Jun.(2021).A facile synthesis of C3N4-modified TiO2 nanotube embedded Pt nanoparticles for photocatalytic water splitting.RESEARCH ON CHEMICAL INTERMEDIATES,14.
MLA Du, Yu-Bing,et al."A facile synthesis of C3N4-modified TiO2 nanotube embedded Pt nanoparticles for photocatalytic water splitting".RESEARCH ON CHEMICAL INTERMEDIATES (2021):14.
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