Interfacial properties of self-organized TiO2 nanotubes studied by impedance spectroscopy

被引：67

作者：

Munoz, A. G. ^{[1
]}

Chen, Q. ^{[1
]}

Schmuki, P. ^{[1
]}

机构：

[1] Univ Erlangen Nurnberg, Dept Mat Sci, D-91058 Erlangen, Germany

来源：

JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 2007年 / 11卷 / 08期

关键词：

TiO2; nanotubes; impedance spectroscopy; A-semiconductors;

D O I：

10.1007/s10008-006-0241-9

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The semiconductor properties of the interface TiO2/electrolyte in high organized porous oxide structures were analyzed by means of impedance spectroscopy near the flat band potential. The impedance and capacitance studies performed on the as-anodized and thermally treated samples (anatase) indicate the presence of a duplex structure formed by (1) the oxide at the bottom of the pores and (2) the walls of pores with different donor densities and surface state concentrations.

引用

页码：1077 / 1084

页数：8

共 31 条

[1] Sensing mechanism of a carbon monoxide sensor based on anatase titania [J].

Akbar, SA ;

Younkman, LB .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1997, 144 (05) :1750-1753

[2] CARBON-MONOXIDE AND HYDROGEN DETECTION BY ANATASE MODIFICATION OF TITANIUM-DIOXIDE [J].

BIRKEFELD, LD ;

AZAD, AM ;

AKBAR, SA .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1992, 75 (11) :2964-2968

[3] Electron trapping in porphyrin-sensitized porous nanocrystalline TiO2 electrodes [J].

Boschloo, GK ;

Goossens, A .

JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (50) :19489-19494

[4] Photoelectrochemical study of thin anatase TiO2 films prepared by metallorganic chemical vapor deposition [J].

Boschloo, GK ;

Goossens, A ;

Schoonman, J .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1997, 144 (04) :1311-1317

[5] THE ELECTRONIC-PROPERTIES OF DISORDERED PASSIVE FILMS [J].

DEAN, MH ;

STIMMING, U .

CORROSION SCIENCE, 1989, 29 (2-3) :199-211

[6] Physicochemical characterization of passive films on niobium by admittance and electrochemical impedance spectroscopy studies [J].

Di Quarto, F ;

La Mantia, F ;

Santamaria, M .

ELECTROCHIMICA ACTA, 2005, 50 (25-26) :5090-5102

[7] Comparative impedance spectroscopy study of rutile and anatase TiO2 film electrodes [J].

Dolata, M ;

Kedzierzawski, P ;

Augustynski, J .

ELECTROCHIMICA ACTA, 1996, 41 (7-8) :1287-1293

[8] BREAKDOWN AND EFFICIENCY OF ANODIC OXIDE-GROWTH ON TITANIUM [J].

DYER, CK ;

LEACH, JSL .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1978, 125 (07) :1032-1038

[9] Charge transport in porous nanocrystalline titanium dioxide [J].

Eppler, AA ;

Ballard, IN ;

Nelson, J .

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2002, 14 (1-2) :197-202

[10] Titanium oxide nanotubes prepared in phosphate electrolytes [J].

Ghicov, A ;

Tsuchiya, H ;

Macak, JM ;

Schmuki, P .

ELECTROCHEMISTRY COMMUNICATIONS, 2005, 7 (05) :505-509

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