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X射线辐照合成金纳米颗粒及其原位表征 被引量:1

X-ray-induced synthesis of gold nanoparticles and in situ XAFS measurements
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摘要 X射线辐照合成无机纳米粒子具有简单、清洁、高效等优点,是一种绿色合成方法。X射线技术,如X射线光电子能谱(XPS)、X射线吸收精细结构谱(XAFS)等,特别是同步辐射X射线技术的应用和发展,为人们探索纳米材料的结构信息提供了强大的工具。然而,利用X射线辐照合成金纳米颗粒及利用X射线技术原位探索金纳米颗粒的生长机理的综述未见报道。本文概述了X射线辐照合成金纳米颗粒的影响因素;分别介绍了利用X射线技术,特别是原位XAFS技术研究辐照合成和传统湿法合成金纳米颗粒的成核动力学,为X射线辐照技术高效合成金纳米颗粒的方法提供参考,对原位XAFS技术在探索成核机理中的应用予以展望。 X-ray irradiation offers a promising avenue to expedite the green synthesis of nanoparticles with high efficiency,simplicity,and environmental friendliness.X-ray technologies,such as X-ray photoelectron spectroscopy(XPS),X-ray absorption fine structure(XAFS),and synchrotron X-ray technologies are utilized to explore the structural evolution of nanoparticles.We summarize numerous studies concerning X-ray-induced synthesis of gold nanoparticles.Further,we discuss the nuclear growing mechanism-radiolysis and conventional wet synthesis-explored via in situ XAFS analysis.Lastly,we propose the improvement of radiolytic synthesis and the application of in situ XAFS.
作者 樊谨菘 陈静 李江 诸颖 王丽华 FAN Jinsong;CHEN Jing;LI Jiang;ZHU Ying;WANG Lihua(Key Laboratory of Interfacial Physics and Technology,Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China;Zhang Jiang Laboratory,Center for Fundamental Cross Research,Shanghai Advanced Research Institute,Chinese Academy of Sciences,Shanghai 201210,China;University of Chinese Academy of Sciences,Beijing 100049,China)
出处 《辐射研究与辐射工艺学报》 CAS CSCD 2021年第4期1-10,共10页 Journal of Radiation Research and Radiation Processing
基金 国家自然科学基金项目(21705159) 国家重点研发计划(2016YFA0400900)资助
关键词 金纳米颗粒 X射线吸收精细结构(XAFS) X射线辐照 Gold nanoparticle X-ray absorption fine structure(XAFS) X-ray irradiation
作者简介 第一作者:樊谨菘,男,1996年10月出生,2018年毕业于湘潭大学,现为中国科学院上海应用物理研究所硕士研究生,研究方向为金纳米团簇合成;通信作者:陈静,博士,E-mail:chenjing@sari.ac.cn。
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