Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
Enhanced photocurrent generation and photooxidation of benzene sulfonate in a continuous flow reactor using hybrid TiO2 thin films immobilized on OTEelectrodes
Autore:
Horikoshi, S; Satou, Y; Hidaka, H; Serpone, N;
Indirizzi:
Meisei Univ, Frontier Res Ctr Global Environm Protect, Tokyo 1918506, Japan Meisei Univ Tokyo Japan 1918506 l Environm Protect, Tokyo 1918506, Japan Concordia Univ, Dept Chem & Biochem, Montreal, PQ H3G 1M8, Canada Concordia Univ Montreal PQ Canada H3G 1M8 m, Montreal, PQ H3G 1M8, Canada
Titolo Testata:
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
fascicolo: 1-2, volume: 146, anno: 2001,
pagine: 109 - 119
SICI:
1010-6030(200112)146:1-2<109:EPGAPO>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
ELECTROCHEMICALLY ASSISTED PHOTOCATALYSIS; CHARGE-TRANSFER PROCESSES; SOL-GEL PROCESS; PHOTOELECTROCHEMICAL DECOMPOSITION; PHOTOELECTROCATALYTIC DEGRADATION; COLLOIDAL SEMICONDUCTORS; COUPLED SEMICONDUCTORS; PHOTOCHEMISTRY; ZNO; OXIDATION;
Keywords:
titanium dioxide; semiconductor electrode; photocurrent; photooxidation; photodegradation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Hidaka, H Meisei Univ, Frontier Res Ctr Global Environm Protect, 2-1-1 Hodakubo, Tokyo 1918506, Japan Meisei Univ 2-1-1 Hodakubo Tokyo Japan 1918506o 1918506, Japan
Citazione:
S. Horikoshi et al., "Enhanced photocurrent generation and photooxidation of benzene sulfonate in a continuous flow reactor using hybrid TiO2 thin films immobilized on OTEelectrodes", J PHOTOCH A, 146(1-2), 2001, pp. 109-119

Abstract

The enhancement of photocurrent and photodegradation of organic pollutantswas investigated using hybrid TiO2 thin films prepared by a combined paste/sol-gel technique to immobilize the TiO2 Particles onto optically transparent electrodes (OTEs); they were connected in series in a continuous flow, bench-top, two-compartment photoreactor. The benzene sulfonate (BS) of the model substrate surfactant used was photodegraded in aqueous media to test the efficacy of the TiO2/OTE electrode preparation and the construction of the photoreactor. Results indicate that the hybrid TiO2 film/OTE electrodeswere more efficient than either the pasted TiO2/OTE electrode or the sol-gel TiO2/OTE electrode for the photo degradation of BS, as evidenced by the evolution of carbon dioxide and the photocurrent generated. The extent of ring opening and generated photocurrent during the photodegradation of BS with the hybrid (HY) electrode was correlated to the pasted TiO2 electrode and to the number of dip-coatings in the sol-gel. High photocurrents were generated in the cylindrical large photoreactor under continuous flow of the aqueous BS solution. Optimization of experimental factors for optimal efficiency of the setup was addressed with regard to the preparation of the HY electrodes, and to their size and location in the photoreactor. (C) 2001 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/07/20 alle ore 08:50:23