Acta Chimica Sinica ›› 2020, Vol. 78 ›› Issue (5): 407-411.DOI: 10.6023/A20040134 Previous Articles     Next Articles



金凤鸣a,b,c, 董宏伟a,b,c, 赵燕a,b,c, 庄胜利a,c, 廖玲文a,c, 闫楠a,c, 古万苗a,b,c, 查珺a,b,c, 袁金云d, 李进e, 邓海腾f, 甘自保a,c, 杨金龙d, 伍志鲲a,c   

  1. a 中国科学院固体物理研究所 中国科学院材料物理重点实验室 安徽省纳米材料与技术重点实验室 中国科学院纳米卓越中心 合肥 230031;
    b 中国科学技术大学 合肥 230026;
    c 安徽大学 物质科学与信息技术研究院 合肥 230601;
    d 中国科学技术大学 合肥微尺度物质科学国家研究中心 合肥 230026;
    e 清华大学 生命科学学院 清华大学-北京大学生命科学联合中心 北京 100084;
    f 清华大学 生命科学学院 生物信息学教育部重点实验室 北京 100084
  • 投稿日期:2020-04-30 发布日期:2020-05-07
  • 通讯作者: 甘自保, 伍志鲲;
  • 基金资助:

Module Replacement of Gold Nanoparticles by a Pseudo-AGR Process

Jin Fengminga,b,c, Dong Hongweia,b,c, Zhao Yana,b,c, Zhuang Shenglia,c, Liao Lingwena,c, Yan Nana,c, Gu Wanmiaoa,b,c, Zha Juna,b,c, Yuan Jinyund, Li Jine, Deng Haitengf, Gan Zibaoa,c, Yang Jinlongd, Wu Zhikuna,c   

  1. a Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China;
    b University of Science and Technology of China, Hefei 230026, China;
    c Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, China;
    d Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China;
    e Tsinghua University-Peking University Joint Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China;
    f MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China
  • Received:2020-04-30 Published:2020-05-07
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Nos. 21925303, 21971246, 21829501, 21905284, 21771186, 21603234, 21222301, 21171170, 21528303), China Postdoctoral Science Foundation (Y94G4E356B), CASHIPS Director's Fund (BJPY2019A02), Key Program of 13th five-year plan, CASHIPS (KP-2017-16), CAS/SAFEA International Partnership Program for Creative Research Teams and Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology (2017FXCX002).

Precisely modulating the structure of nanoparticles in a controlled manner is still a challenging and inspiring topic. Although the single or few-metal atom tailoring of gold nanoparticles has been reported, local structural replacement involving over three net metal atoms (module replacement, MR) has not been hitherto achieved. Herein, we report the synthesis of cyclohexanethiolated metal nanoclusters (NCs) Au48(CHT)26 and their MR by a so-called pseudo-anti-galvanic reaction (AGR) process. The MR product Au37(CHT)23 shares a similar Au31(CHT)12 unit with its predecessor Au48(CHT)26; however, it differs from its predecessor in the remaining section (Au6(CHT)11 vs. Au16(CHT)14), as revealed by single-crystal X-ray crystallography (SCXC). Interestingly, the MR inhibits the photothermy but enhances the emission of Au48(CHT)26 NCs, which might endow the as-obtained NC better potential for bi(multiple)-functional application. The counter effects of the MR on the emission and photothermy indicate that photoluminescence and photothermy can be at least partly converted into each other, which has some important implications for the understanding of their interaction.

Key words: gold nanoparticles, module replacement, pseudo-anti-galvanic reaction (AGR), photothermy, photoluminescence