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Author:

Li, Qun-Yan (Li, Qun-Yan.) | Sun, Hai-Wei (Sun, Hai-Wei.) | Wei, Qi (Wei, Qi.) | Sun, Shi-Bing (Sun, Shi-Bing.) (Scholars:孙诗兵) | Liu, Jun-Guo (Liu, Jun-Guo.) | Cui, Su-Ping (Cui, Su-Ping.) (Scholars:崔素萍) | Nie, Zuo-Ren (Nie, Zuo-Ren.) (Scholars:聂祚仁)

Indexed by:

EI Scopus SCIE

Abstract:

A novel hollow meso-TiO2/ZnO composite microsphere is fabricated by simple sol-gel and hydrothermal method, and could be a binary photocatalytic material. The carbon sphere is used as the hollow template for the composite material, then the meso-TiO2 used as the inner shell and the nanometer ZnO as the outer shell. The results of photocatalytic degradation for methyl orange show that the photocatalytic performance of the composite is better than that of a single photocatalyst, degradation rate is up to 96.9% after 2.5 h under UV light. Compared with meso-TiO2, the excitation wavelength of composite microspheres has moved 12 nm in the direction of visible light. The meso-TiO2/ZnO composite microsphere has higher photocatalytic performance, which is attributed to the hollow structure and the synergy of meso-TiO2 and ZnO. The hollow structure and mesoporous channel are used as the storage warehouse and transport channel of methyl orange molecule respectively. Graphical Abstract The hollow structure and mesoporous channel are used as the storage warehouse and reaction channel of methyl orange molecule, respectively. The higher photocatalytic performance of meso-TiO2/ZnO composite microsphere is also attributed to the synergy of meso-TiO2 and ZnO. [GRAPHICS] .

Keyword:

Mesoporous structure Hollow microspheres TiO2/ZnO composite Photocatalytic performance

Author Community:

  • [ 1 ] [Li, Qun-Yan]Beijing Univ Technol, Coll Mat Sci & Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 2 ] [Sun, Hai-Wei]Beijing Univ Technol, Coll Mat Sci & Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 3 ] [Wei, Qi]Beijing Univ Technol, Coll Mat Sci & Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 4 ] [Sun, Shi-Bing]Beijing Univ Technol, Coll Mat Sci & Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 5 ] [Cui, Su-Ping]Beijing Univ Technol, Coll Mat Sci & Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 6 ] [Nie, Zuo-Ren]Beijing Univ Technol, Coll Mat Sci & Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 7 ] [Liu, Jun-Guo]Hebei Univ Sci & Technol, Coll Biosci & Bioengn, Shijiazhuang 050018, Hebei, Peoples R China

Reprint Author's Address:

  • [Li, Qun-Yan]Beijing Univ Technol, Coll Mat Sci & Engn, 100 Pingleyuan, Beijing 100124, Peoples R China

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Source :

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY

ISSN: 0928-0707

Year: 2020

Issue: 2

Volume: 95

Page: 344-352

2 . 5 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:169

Cited Count:

WoS CC Cited Count: 6

SCOPUS Cited Count: 6

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

Online/Total:601/10720135
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