Ou, Xin-HongXin-HongOuWu, Chung-HsinChung-HsinWuLo, Shang-LienShang-LienLo2009-01-142018-06-282009-01-142018-06-28200601331736https://www.scopus.com/inward/record.uri?eid=2-s2.0-33750174533&doi=10.1007%2fs11144-006-0114-3&partnerID=40&md5=55ce91306d00ef6904b9acbf4454b2e5http://ntur.lib.ntu.edu.tw//handle/246246/96846This study explores the photodegradation of 4-chlorophenol (4-CP). Coupled-photocatalyst systems are tested to determine whether the interparticle electron transfer (IPET) process improves the photodegradation efficiency. TiO2, ZnO and SnO2 are selected as photocatalysts. In the single-photocatalyst test, ZnO exhibits the highest catalytic activity. The pseudo first-order rate constant of the coupled-catalyst system, ZnO/SnO 2, is approximately 22% higher than that of ZnO; these rate constants are 0.95 and 0.78 h-1 at pH 11, respectively. © Springer-Verlag/Akadémiai Kiadó 2006.application/pdf113083 bytesapplication/pdfen-USInterparticle electron transfer process; Photodegradation; SnO2; TiO2; ZnOCatalyst activity; Electron transitions; pH effects; Phenols; Photocatalysis; Zinc oxide; 4-chlorophenol (4-CP); Interparticle electron transfer (IPET); Photodegradation efficiency; Photodegradationjournal article2-s2.0-33750174533http://ntur.lib.ntu.edu.tw/bitstream/246246/96846/1/73.pdf