银粉的辐射清洁制备

梁蒙蒙; 梁莹; 方斌

doi:10.11889/j.1000-3436.2017.rrj.35.030301

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银粉的辐射清洁制备

辐射化学 | 更新时间：2021-12-10

- 银粉的辐射清洁制备
- Environmentally friendly preparation of silver powder via irradiation
- 辐射研究与辐射工艺学报 2017年35卷第3期
- 作者机构：
  
  1.华东理工大学核技术应用研究所上海 200237
- 作者简介：
  
  [ "梁蒙蒙, 女, 1990年8月出生, 2014年7月毕业于泰山医学院, 现为华东理工大学核技术应用研究所硕士研究生, 材料科学与工程专业, E-mail:925872363@qq.com", "LIANG Mengmeng (female) was born in August 1990, and graduated from Taishan Medical University in July 2014. Now she is a master candidate in the Institute of Nuclear Technology and Application, East China University of Science and Technology, majoring in Materials Science and Engineering, E-mail:925872363@qq.com" ]
  方斌, 博士, 教授, E-mail:binfang@ecust.edu.cn Ph.D. FANG Bin, Professor, E-mail:binfang@ecust.edu.cn
- 基金信息：
  
  上海市教育委员会科研创新项目(14ZZ057)
- DOI：10.11889/j.1000-3436.2017.rrj.35.030301
  中图分类号：
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梁蒙蒙, 梁莹, 方斌. 银粉的辐射清洁制备[J]. 辐射研究与辐射工艺学报, 2017,35(3):030301-6.

Mengmeng LIANG, Ying LIANG, Bin FANG. Environmentally friendly preparation of silver powder via irradiation[J]. Journal of Radiation Research and Radiation Processing, 2017,35(3):030301-6.
梁蒙蒙, 梁莹, 方斌. 银粉的辐射清洁制备[J]. 辐射研究与辐射工艺学报, 2017,35(3):030301-6. DOI： 10.11889/j.1000-3436.2017.rrj.35.030301.

Mengmeng LIANG, Ying LIANG, Bin FANG. Environmentally friendly preparation of silver powder via irradiation[J]. Journal of Radiation Research and Radiation Processing, 2017,35(3):030301-6. DOI： 10.11889/j.1000-3436.2017.rrj.35.030301.

摘要

采用辐射还原法制备纯净的银粉，期待通过改变反应条件制备出不同形貌的银粉，以满足实际应用中的各种要求。在常温常压氮气环境下，以草酸银为银源，水为介质，利用电子加速器辐照的方法制备银粉。通过扫描电镜和X射线衍射仪对银粉进行表征。结果表明，改变反应体系的pH值、吸收剂量和结构诱导剂的种类，可以制备出颗粒状、棒状、片状等不同形貌的银粉。在吸收剂量4 MGy、pH=6时，以CS005或CSH100为诱导剂，能得到长5~10μm，直径约2μm的棒状纯净银粉；以CS005和BTA为诱导剂，得到四边形的片状银粉；以CSH100和PEO200为诱导剂，得到三角形和多边形混杂的片状银粉。在总剂量4 MGy、pH=9时，以CS005为诱导剂，得到粒径约20 nm的类球形纳米银粉；以CSH100为诱导剂，得到粒径约100 nm的片状混杂银粉。在总剂量8 MGy、pH=9时，以CS005或CSH100为诱导剂，得到粒径约100 nm的片状混杂银粉。

Abstract

Silver particles were successfully synthesized by irradiating silver oxalate in deionized water under a nitrogen atmosphere by using the electron accelerator and by changing the pH value, absorbed dose, and structure inducer. Further, the silver powders with different particle morphologies (e.g., granular, rod-like, and lamellar-shaped particles) were investigated by field-emission scanning electron microscopy and X-ray diffraction analysis. Under the condition of an absorbed dose of 4 MGy and pH=6, silver powder composed of rod-like particles with diameters of about 2 μm and lengths of 5~10 μm were obtained with the organic amine compound induction of CS005 or CSH100. Further, silver powder composed of quadrilateral flaky particles was obtained with the coexisted of CS005 and BTA, and silver powder composed of a mixture of triangular and polygonal lamellar particles was obtained with the synergistic induction of CSH100 and PEO200. Under the condition of an absorbed dose of 4 MGy and pH=9, spherical silver nanoparticles with diameters of about 20 nm could be obtained with the CS005 and lamellar mixed silver particles with diameters of about 100 nm were synthesized with the CSH100. Under the condition of an absorbed dose of 8 MGy and pH=9, lamellar mixed silver particles with diameters of about 100 nm were obtained with the CS005 or CSH100.

关键词

辐射银粉形貌

Keywords

RadiationSliver powdersMorphology

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