Preliminary Study on Oligoaniline/Silica Composite Nano-particles as a High Density Information Storage Material

Chem. J. Chinese Universities ›› 1999, Vol. 20 ›› Issue (9): 1491.

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Preliminary Study on Oligoaniline/Silica Composite Nano-particles as a High Density Information Storage Material

WANG Ce¹, ZHANG Ya-Hong¹, GAO Jun-Bo¹, ZHANG Wan-Jin¹, LU Yun-Feng¹, BAI Yu-Bai¹, LI Tie-Jin¹, LI Li-Juan², WEI Yen³

1. Department of Chemistry, Jilin University, Changchun 130023, China;
2. Department of Chemistry, Califria State University, Long Beach, CA 90840-3903, USA;
3. Department of Chemistry, Drerel University, Philadelphia, PA19104, USA

Received:1999-04-23 Online:1999-09-24 Published:1999-09-24

Abstract

Abstract: An access to an increase in the information storage capacity is to reduce memory units to a nano-scale.There fore, we used carboxylized phenyl-capped polyaniline tetramer (PCAT) as the functional component and silica as the carrier to prepare PCAT/silica composite nano-particles (φ= 60 nm) with a structure of core-shell.The functionalized particles were two-dimensionally arrayed on substrates such as silicon, glass and ITOglass at pH3.SEM and AFM results proved the arraying regularity of these particles under any given conditions, and the electrostatic force microscopy showed their response to +3V bias applied.

Key words: Silica, Polyaniline oligomer, Nano-particles, 2D assembly, High-density data storage

CLC Number:

O631

TrendMD:

WANG Ce, ZHANG Ya-Hong, GAO Jun-Bo, ZHANG Wan-Jin, LU Yun-Feng, BAI Yu-Bai, LI Tie-Jin, LI Li-Juan, WEI Yen. Preliminary Study on Oligoaniline/Silica Composite Nano-particles as a High Density Information Storage Material[J]. Chem. J. Chinese Universities, 1999, 20(9): 1491.

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Preliminary Study on Oligoaniline/Silica Composite Nano-particles as a High Density Information Storage Material

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