邻苯二甲酸和酞嗪对干法制备银纳米粒子形貌的影响

doi:10.7517/j.issn.1674-0475.2013.04.002

影像科学与光化学 ›› 2013, Vol. 31 ›› Issue (4): 257-267.DOI: 10.7517/j.issn.1674-0475.2013.04.002

邻苯二甲酸和酞嗪对干法制备银纳米粒子形貌的影响

张占江¹, 李金培²

1. 国家知识产权局专利局专利审查协作北京中心, 北京 100083;
2. 中国科学院理化技术研究所, 北京 100190

收稿日期:2013-01-10 修回日期:2013-05-09 出版日期:2013-07-15 发布日期:2013-07-15
通讯作者: 张占江(1983- ), 理学博士, 主要研究领域为纳米材料及影像材料,E-mail:zhang32022@163.com.
基金资助:
国家自然科学基金(20873168).

Effects of Phthalic Acid and Phthalazine on the Morphology of Silver Nanoparticles Formed by Dry-processed Thermal Reduction of Silver Stearate

ZHANG Zhan-jiang¹, LI Jin-pei²

1. Patent Examination Cooperation Center of the Patent Office, State Intellectual Property Office of P. R. C., Beijing 100083, P. R. China;
2. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China

Received:2013-01-10 Revised:2013-05-09 Online:2013-07-15 Published:2013-07-15

摘要/Abstract

摘要：

以硬脂酸银为前驱体,采用干式热还原方法制备银纳米粒子,并研究了邻苯二甲酸(Phthalic acid, H₂PA)和酞嗪(Phthalazine,PHZ)对银粒子形貌的影响.结果表明:H₂PA在直接热显影(Thermograhic, TG)模拟体系及光敏热成像(Photothermographic,PTG)体系中均促进颗粒状银纳米粒子的形成,而PHZ在TG模拟体系及PTG体系中分别促进颗粒状银粒子及丝状银的形成.调色剂的添加顺序对显影银形貌有很大影响.调色剂组合及光敏催化剂的协同作用是PTG体系中产生"树枝状"银的关键因素,探讨了不同形貌银纳米粒子的形成机理.

关键词: 银纳米粒子, 光敏热成像, 邻苯二甲酸, 酞嗪

Abstract:

The effect of phthalic acid and phthalazine on the morphology of silver particles formed by dry-processed thermal reduction of silver stearate was investigated. Experimental results show that phthalic acid resulted in the formation of spherical silver both in TG model system and in PTG system. Phthalazine facilitated the formation of spherical silver and filamentary silver in TG model system and PTG system, respectively. The sequence of the addition of toners had an important effect on silver morphology. The synergetic effect of toner pair and photosensitive catalyst led to the formation of dendritic silver in PTG system. The possible mechanism for the formation of silver nanoparticles was proposed.

Key words: silver nanoparticles, photothermographic, phthalic acid, phthalazine

中图分类号:

TQ57

张占江, 李金培. 邻苯二甲酸和酞嗪对干法制备银纳米粒子形貌的影响[J]. 影像科学与光化学, 2013, 31(4): 257-267.

ZHANG Zhan-jiang, LI Jin-pei. Effects of Phthalic Acid and Phthalazine on the Morphology of Silver Nanoparticles Formed by Dry-processed Thermal Reduction of Silver Stearate[J]. Imaging Science and Photochemistry, 2013, 31(4): 257-267.

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邻苯二甲酸和酞嗪对干法制备银纳米粒子形貌的影响

Effects of Phthalic Acid and Phthalazine on the Morphology of Silver Nanoparticles Formed by Dry-processed Thermal Reduction of Silver Stearate

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