Selectivity in photocatalysis by particulate semiconductors

• Autorzy: Chockalingam Karunakaran , Ramamoorthy Dhanalakshmi
• Języki publikacji: EN

Abstrakty

EN

TiO2, Fe2O3, CuO, ZnO, ZnS, Nb2O5, MoO3, CdO, CdS, Sb2O3, CeO2, HgO, Pb2O3, PbO2 and Bi2O3 microparticles exhibit band gap excitation with UV-A light but they are selective to photodegrade phenols. While TiO2 anatase and ZnO photocatalyze the degradation of phenol, o-aminophenol, m-aminophenol, p-aminophenol, o-chlorophenol, m-chlorophenol, p-chlorophenol, o-nitrophenol, p-nitrophenol, o-cresol, m-cresol, p-cresol, catechol, resorcinol and quinol, MoO3 does not photodegrade any of the fifteen phenols. Fe2O3, CuO, ZnS, Nb2O5, CdO, CdS, Sb2O3, CeO2, HgO, Pb2O3, PbO2 and Bi2O3 are selective in photodegrading the fifteen phenols; however, the phenols get adsorbed over all sixteen particulate semiconductors. [...]

Słowa kluczowe

EN

Metal oxide   Catalysis   Surface   Phenol   Photodegradation  

• Czasopismo: Open Chemistry
• Rocznik: 2009
• Tom: 7
• Numer: 1
• Strony: 134-137

Daty

wydano

2009-03-01

online

2008-12-23

Twórcy

autor

Chockalingam Karunakaran

• Department of Chemistry, Annamalai University, Annamalainagar, 608002, Tamilnadu, India,

autor

Ramamoorthy Dhanalakshmi

• Department of Chemistry, Annamalai University, Annamalainagar, 608002, Tamilnadu, India

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Identyfikatory

DOI

10.2478/s11532-008-0083-7