TIO2 AND WO3 SEMICONDUCTOR PARTICLES IN CONTACT - PHOTOCHEMICAL REDUCTION OF WO3 TO THE NONSTOICHIOMETRIC BLUE FORM

被引：60

作者：

TENNAKONE, K ^{[1
]}

ILEPERUMA, OA ^{[1
]}

BANDARA, JMS ^{[1
]}

KIRIDENA, WCB ^{[1
]}

机构：

[1] UNIV PERADENIYA,DEPT CHEM,PERADENIYA,SRI LANKA

来源：

SEMICONDUCTOR SCIENCE AND TECHNOLOGY | 1992年 / 7卷 / 03期

关键词：

D O I：

10.1088/0268-1242/7/3/025

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Hydrated tungsten oxide WO3.xH2O in contact with TiO2 grains suspended in water is found to reduce to WO2.96.xH2O upon irradiation with UV light. Measurement of the band position of WO3.xH2O suggests that electron transfer from TiO2 to WO3.xH2O is responsible for the reduction.

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页码：423 / 424

页数：2

相关论文

共 10 条

[1] CORRELATION OF PHOTOCURRENT-VOLTAGE CURVES WITH FLAT-BAND POTENTIAL FOR STABLE PHOTOELECTRODES FOR PHOTOELECTROLYSIS OF WATER [J].

BOLTS, JM ;

WRIGHTON, MS .

JOURNAL OF PHYSICAL CHEMISTRY, 1976, 80 (24) :2641-2645

[2] HETEROGENEOUS PHOTOREDUCTION OF NITROGEN TO AMMONIA ON TUNGSTEN-OXIDE [J].

ENDOH, E ;

LELAND, JK ;

BARD, AJ .

JOURNAL OF PHYSICAL CHEMISTRY, 1986, 90 (23) :6223-6226

[3]

GRATZEL M, 1988, ENERGY RESOURCES PHO, P218

[4]

HARRY D, 1985, J CHEM SOC CHEM COMM, P1485

[5] PHOTOCHEMISTRY OF COLLOIDAL SEMICONDUCTORS .30. REACTIONS AND FLUORESCENCE OF AGI AND AGI - AG2S COLLOIDS [J].

HENGLEIN, A ;

GUTIERREZ, M ;

WELLER, H ;

FOJTIK, A ;

JIRKOVSKY, J .

BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 1989, 93 (05) :593-600

[6] PHOTOELECTROCHEMISTRY IN PARTICULATE SYSTEMS .6. ELECTRON-TRANSFER REACTIONS OF SMALL CDS COLLOIDS IN ACETONITRILE [J].

KAMAT, PV ;

DIMITRIJEVIC, NM ;

FESSENDEN, RW .

JOURNAL OF PHYSICAL CHEMISTRY, 1987, 91 (02) :396-401

[7]

MIYOSHI H, 1990, J ELECTROANAL CHEM, V71, P295

[8]

MIYOSHI H, 1990, J CHEM SOC FARADY T, V86, P1815

[9] PHOTOCATALYTIC REDUCTION OF NITROGEN TO AMMONIA WITH COPRECIPITATED FE(III) AND TI(IV) HYDROUS OXIDES [J].

TENNAKONE, K ;

FERNANDO, CAN ;

WICKRAMANAYAKE, S ;

DAMAYANTHI, MWP ;

SILVA, LHK ;

WIJERATNE, W ;

ILLEPERUMA, OA ;

PUNCHIHEWA, S .

SOLAR ENERGY MATERIALS, 1988, 17 (01) :47-53

[10]

WELLS AF, 1962, STRUCTURAL INORGANIC, P468