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author:

Xu, Y. (Xu, Y..) [1] | Li, C. (Li, C..) [2] | Huang, H. (Huang, H..) [3] | Huang, L. (Huang, L..) [4] | Peng, L. (Peng, L..) [5] | Pan, H. (Pan, H..) [6]

Indexed by:

Scopus

Abstract:

The selective degradation of specific substances in mixed contaminants is quite challenging. And a general approach for sensitized oxide semiconductor relies on dip-coating method with sensitizer. Here, hydrophilic 2D, nest-like architecture ZnO (ZnO NA) was hydrophobicly functioned by monomolecular–layer tetraphenylporphyrin zinc (ZnTPP), where ZnTPP was synthesized by means of an in situ center-substituted (ISCS) process., i.e., the hydrogen atoms in the core of metal-free tetraphenylporphyrin (H 2 TPP) are substituted by the unsaturated zinc ions in ZnO NAs. ZnTPP/ZnO NA was exhibited with significant hydrophobicity, benefitting to absorb hydrophobic phenol (PL). Further, it is realized to selectively photodegradate PL in the mixture by ZnTPP/ZnO NAs under visible irradiation. Note that the rate of degradation to hydrophobic PL by ZnTPP/ZnO NA is 9.17 times of that for ZnO NA within 150 min; on the contrary, the degradation rate of hydrophilic rhodamine B (RhB) by ZnTPP/ZnO is reduced by 40%. Radiative lifetime of photogenerated charges is obviously increased by ZnTPP/ZnO NA compared with that of ZnTPP, indicating the effective charge separation for ZnTPP/ZnO NAs. In addition, ZnTPP/ZnO NA produced more superoxide radicals (·O 2 − ) in comparison to ZnO NA. With surface functionalization, the feasibility of selective photocatalysis under visible irradiation is demonstrated. © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Keyword:

central coordination; hydrophobic; selective photocatalysis; superoxide radical; tetraphenylporphyrin zinc

Community:

  • [ 1 ] [Xu, Y.]College of Chemistry, Qishan Campus, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 2 ] [Li, C.]College of Chemistry, Qishan Campus, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 3 ] [Huang, H.]College of Chemistry, Qishan Campus, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 4 ] [Huang, L.]College of Chemistry, Qishan Campus, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 5 ] [Peng, L.]School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
  • [ 6 ] [Pan, H.]College of Chemistry, Qishan Campus, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 7 ] [Pan, H.]Fujian Key Lab of Medical Instrument and Pharmaceutical Technology, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 8 ] [Pan, H.]Fujian Key Lab of Eco-Industrial Green Technology, Wuyi University, Wuyishan, Fujian 354300, China

Reprint 's Address:

  • [Pan, H.]College of Chemistry, Qishan Campus, Fuzhou UniversityChina

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Source :

Particle and Particle Systems Characterization

ISSN: 0934-0866

Year: 2019

Issue: 3

Volume: 36

3 . 0 9 9

JCR@2019

2 . 7 0 0

JCR@2023

ESI HC Threshold:236

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 12

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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