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Layered Fe(III) doped TiO2 thin-film electrodes for the photoelectrocatalytic oxidation of glucose and potassium hydrogen phthalate
Yu Hua1,2; Wang Jing3,4; Zhang ShanQing1,2; Li XinJun3; Zhao HuiJun1,2
2011-08-01
Source PublicationCHINESE SCIENCE BULLETIN
Volume56Issue:23Pages:2475-2480
AbstractFour types of TiO2 thin-film electrodes were fabricated from TiO2 and Fe(III) doped TiO2 sols using a layer-by-layer dip-coating technique. Electrodes fabricated were TF (pure TiO2 surface, Fe(III)-TiO2 bottom layer), FT (Fe(III)-TiO2 surface, pure TiO2 bottom layer), TT (both layers pure TiO2) and FF (both layers Fe(III)-TiO2). The photoelectrochemical behavior of these electrodes was characterized using linear sweep voltammetry (LSV), electrochemical impedance spectroscopy (EIS) and steady-state photocurrent measurements in aqueous 0.1 mol L-1 NaNO3 containing varying concentrations of glucose or potassium hydrogen phthalate (KHP). EIS and LSV results revealed that exciton separation efficiency followed the sequence of TF > TT > FT > FF. Under a constant potential of +0.3 V, steady-state photocurrent profiles were recorded with varying organic compound concentrations. The TF electrode possessed the greatest photocatalytic capacity for oxidizing glucose and KHP, and possessed a KHP anti-poisoning effect. Enhanced photoelectrochemical performance of the TF electrode was attributed to effective exciton separation because of the layered TF structure.
SubtypeArticle
KeywordFe(Iii)-doped Tio2 Charge Separation Efficiency Photoelectrocatalysis
WOS HeadingsScience & Technology
DOI10.1007/s11434-010-4502-8
WOS Subject ExtendedScience & Technology - Other Topics
WOS KeywordPHOTOCATALYTIC ACTIVITY ; HYBRID ELECTRODE ; WASTE-WATER ; DEGRADATION ; ACID ; REMOVAL
Indexed BySCI
Language英语
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000292928700011
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10409
Collection中国科学院广州能源研究所
Affiliation1.Griffith Univ, Environm Futures Ctr, Griffith, Qld 4222, Australia
2.Griffith Univ, Griffith Sch Environm, Griffith, Qld 4222, Australia
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yu Hua,Wang Jing,Zhang ShanQing,et al. Layered Fe(III) doped TiO2 thin-film electrodes for the photoelectrocatalytic oxidation of glucose and potassium hydrogen phthalate[J]. CHINESE SCIENCE BULLETIN,2011,56(23):2475-2480.
APA Yu Hua,Wang Jing,Zhang ShanQing,Li XinJun,&Zhao HuiJun.(2011).Layered Fe(III) doped TiO2 thin-film electrodes for the photoelectrocatalytic oxidation of glucose and potassium hydrogen phthalate.CHINESE SCIENCE BULLETIN,56(23),2475-2480.
MLA Yu Hua,et al."Layered Fe(III) doped TiO2 thin-film electrodes for the photoelectrocatalytic oxidation of glucose and potassium hydrogen phthalate".CHINESE SCIENCE BULLETIN 56.23(2011):2475-2480.
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