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author:

Xu, Yuanjie (Xu, Yuanjie.) [1] | Li, Chaochao (Li, Chaochao.) [2] | Huang, Huihan (Huang, Huihan.) [3] | Huang, Lei (Huang, Lei.) [4] | Peng, Luming (Peng, Luming.) [5] | Pan, Haibo (Pan, Haibo.) [6] (Scholars:潘海波)

Indexed by:

EI Scopus SCIE

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 (H2TPP) 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 (center dot O-2(-)) in comparison to ZnO NA. With surface functionalization, the feasibility of selective photocatalysis under visible irradiation is demonstrated.

Keyword:

central coordination hydrophobic selective photocatalysis superoxide radical tetraphenylporphyrin zinc

Community:

  • [ 1 ] [Xu, Yuanjie]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Li, Chaochao]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Huang, Huihan]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Huang, Lei]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China
  • [ 5 ] [Pan, Haibo]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China
  • [ 6 ] [Peng, Luming]Nanjing Univ, Sch Chem & Chem Engn, Nanjing 210093, Jiangsu, Peoples R China
  • [ 7 ] [Pan, Haibo]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Techno, Fujian 350116, Fujian, Peoples R China
  • [ 8 ] [Pan, Haibo]Wuyi Univ, Fujian Key Lab Ecoind Green Technol, Wuyishan 354300, Fujian, Peoples R China

Reprint 's Address:

  • 潘海波

    [Pan, Haibo]Fuzhou Univ, Coll Chem, Qishan Campus, Fuzhou 350116, Fujian, Peoples R China;;[Pan, Haibo]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Techno, Fujian 350116, Fujian, Peoples R China;;[Pan, Haibo]Wuyi Univ, Fujian Key Lab Ecoind Green Technol, Wuyishan 354300, Fujian, Peoples R China

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Source :

PARTICLE & 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 Discipline: MATERIALS SCIENCE;

ESI HC Threshold:236

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 12

SCOPUS Cited Count: 12

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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