Charge carrier transport in indium oxide nanocrystals

被引：14

作者：

Forsh, E. A. ^{[1
,2
]}

Marikutsa, A. V. ^{[1
]}

Martyshov, M. N. ^{[1
]}

Forsh, P. A. ^{[1
,2
]}

Rumyantseva, M. N. ^{[1
]}

Gas'kov, A. M. ^{[1
]}

Kashkarov, P. K. ^{[1
,2
,3
]}

机构：

[1] Moscow MV Lomonosov State Univ, Moscow 119991, Russia

[2] Russian Res Ctr, Kurchatov Inst, Moscow 123182, Russia

[3] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2010年 / 111卷 / 04期

关键词：

DOPED IN2O3 FILMS; OPTICAL-PROPERTIES; SENSING PROPERTIES; SENSORS; PHOTODIODES; NANOWIRES;

D O I：

10.1134/S106377611010016X

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Nanocrystalline indium oxide samples with various sizes of nanocrystals are synthesized by the sol-gel method. The minimal and maximal average sizes of nanocrystals are 7-8 and 18-20 nm, respectively. An analysis of conductivity measured at dc and ac signals in a wide temperature range (T = 50-300 K) shows that the transport of charge carriers at high temperatures takes place over the conduction band, while in the low-temperature range, the hopping mechanism with a varying jump length over localized states is observed.

引用

页码：653 / 658

页数：6

共 19 条

[1] Gas sensing properties of In2O3 and Au-doped In2O3 films for detecting carbon monoxide in air [J].

Belysheva, TV ;

Kazachkov, EA ;

Gutman, EE .

JOURNAL OF ANALYTICAL CHEMISTRY, 2001, 56 (07) :676-678

[2] HOPPING TRANSPORT ON A FRACTAL - AC CONDUCTIVITY OF POROUS SILICON [J].

BENCHORIN, M ;

MOLLER, F ;

KOCH, F ;

SCHIRMACHER, W ;

EBERHARD, M .

PHYSICAL REVIEW B, 1995, 51 (04) :2199-2213

[3]

Brodsky M.H., 1979, Amorphous Semiconductors

[4]

Brunauer S., 1943, The Adsorption of Gases and Vapors

[5] Room-temperature ultraviolet-emitting In2O3 nanowires [J].

Cao, HQ ;

Qiu, XQ ;

Liang, Y ;

Zhu, QM ;

Zhao, MJ .

APPLIED PHYSICS LETTERS, 2003, 83 (04) :761-763

[6] Indium oxide violet photodiodes [J].

Chen, L. -C. .

EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS, 2006, 35 (01) :13-15

[7] Indium oxide thin film sensors for ozone monitoring produced by a sol-gel method [J].

Chung, WY ;

Lee, YS ;

Lee, DD .

JOURNAL OF MATERIALS SCIENCE LETTERS, 2003, 22 (12) :907-909

[8] Nanocrystals as very active interfaces:: Ultrasensitive room-temperature ozone sensors with In2O3 nanocrystals prepared by a low-temperature sol-gel process in a coordinating environment [J].

Epifani, Mauro ;

Comini, Elisabetta ;

Arbiol, Jordi ;

Pellicer, Eva ;

Siciliano, Pietro ;

Faglia, Guido ;

Morante, Joan R. .

JOURNAL OF PHYSICAL CHEMISTRY C, 2007, 111 (37) :13967-13971

[9] Transparent and conducting ITO films:: new developments and applications [J].

Granqvist, CG ;

Hultåker, A .

THIN SOLID FILMS, 2002, 411 (01) :1-5

[10] EVAPORATED SN-DOPED IN2O3 FILMS - BASIC OPTICAL-PROPERTIES AND APPLICATIONS TO ENERGY-EFFICIENT WINDOWS [J].

HAMBERG, I ;

GRANQVIST, CG .

JOURNAL OF APPLIED PHYSICS, 1986, 60 (11) :R123-R159

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