Size Control of Gold Nanoparticles Grown on Polyaniline Nanofibers for Bistable Memory Devices

被引：124

作者：

Baker, Christina O. ^{[1
,2
,6
]}

Shedd, Brian ^{[3
]}

Tseng, Ricky J. ^{[4
]}

Martinez-Morales, Alfredo A. ^{[5
]}

Ozkan, Cengiz S. ^{[5
]}

Ozkan, Mihri ^{[5
]}

Yang, Yang ^{[4
]}

Kanert, Richard B. ^{[1
,2
,4
]}

机构：

[1] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90095 USA

[3] Univ Calif Los Angeles, Henry Samueli Sch Engn & Appl Sci, Los Angeles, CA 90095 USA

[4] Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA

[5] Univ Calif Riverside, Dept Mech Engn, Riverside, CA 92521 USA

[6] Fibron Technol Inc, Inglewood, CA 90301 USA

来源：

ACS NANO | 2011年 / 5卷 / 05期

关键词：

polyaniline nanofibers; gold nanoparticles; organic-inorganic nanocomposite; nanoparticle size/growth control; bistable memory devices; POLYMERIC STABILIZERS; WATER; PARTICLES; COMPOSITE; NM;

D O I：

10.1021/nn200992w

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Controlling reaction temperature for a set time enables the size of gold nanopartides autoreduced on the surface of polyaniline nanofibers to be controlled. The size of the gold nanoparticles can be used to tune the electrical bistable memory effect In gold/polyaniline nanofiber composite devices. Turn-on voltages and on/off ratios improve with decreasing nanoparticle size, making this a promising method to enhance performance and create smaller devices. Long-term stability of the composites can be improved by the addition of stabilizers following autoreduction of the gold nanoparticles.

引用

页码：3469 / 3474

页数：6

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