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在金属有机框架中整合（-Cu-S-）平面可提供高导电性。

Integration of a (-Cu-S-) plane in a metal-organic framework affords high electrical conductivity.

作者信息

Pathak Abhishek, Shen Jing-Wen, Usman Muhammad, Wei Ling-Fang, Mendiratta Shruti, Chang Yu-Shin, Sainbileg Batjargal, Ngue Chin-May, Chen Ruei-San, Hayashi Michitoshi, Luo Tzuoo-Tsair, Chen Fu-Rong, Chen Kuei-Hsien, Tseng Tien-Wen, Chen Li-Chyong, Lu Kuang-Lieh

机构信息

Institute of Chemistry, Academia Sinica, Taipei, 115, Taiwan.

Department of Engineering and System Science, National Tsing Hua University, Hsinchu, 300, Taiwan.

出版信息

Nat Commun. 2019 Apr 12;10(1):1721. doi: 10.1038/s41467-019-09682-0.

DOI:10.1038/s41467-019-09682-0
PMID:30979944
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6461620/
Abstract

Designing highly conducting metal-organic frameworks (MOFs) is currently a subject of great interest for their potential applications in diverse areas encompassing energy storage and generation. Herein, a strategic design in which a metal-sulfur plane is integrated within a MOF to achieve high electrical conductivity, is successfully demonstrated. The MOF {[Cu(6-Hmna)(6-mn)]·NH} (1, 6-Hmna = 6-mercaptonicotinic acid, 6-mn = 6-mercaptonicotinate), consisting of a two dimensional (-Cu-S-) plane, is synthesized from the reaction of Cu(NO), and 6,6'-dithiodinicotinic acid via the in situ cleavage of an S-S bond under hydrothermal conditions. A single crystal of the MOF is found to have a low activation energy (6 meV), small bandgap (1.34 eV) and a highest electrical conductivity (10.96 S cm) among MOFs for single crystal measurements. This approach provides an ideal roadmap for producing highly conductive MOFs with great potential for applications in batteries, thermoelectric, supercapacitors and related areas.

摘要

设计具有高导电性的金属有机框架（MOF）目前是一个备受关注的课题，因为它们在包括能量存储和产生在内的各种领域具有潜在应用。在此，成功展示了一种策略性设计，即将金属硫平面整合到MOF中以实现高电导率。由二维（-Cu-S-）平面组成的MOF {[Cu(6-Hmna)(6-mn)]·NH}（1，6-Hmna = 6-巯基烟酸，6-mn = 6-巯基烟酸酯）是通过Cu(NO)与6,6'-二硫代烟酸在水热条件下通过S-S键的原位裂解反应合成的。发现该MOF的单晶具有低活化能（6 meV）、小带隙（1.34 eV）以及在用于单晶测量的MOF中最高的电导率（10.96 S cm）。这种方法为生产具有高导电性的MOF提供了理想的路线图，这些MOF在电池、热电、超级电容器及相关领域具有巨大的应用潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e06b/6461620/47c9b576fec3/41467_2019_9682_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e06b/6461620/b8fabe8036bb/41467_2019_9682_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e06b/6461620/f2ae33639b53/41467_2019_9682_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e06b/6461620/0d686ca6cf23/41467_2019_9682_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e06b/6461620/47c9b576fec3/41467_2019_9682_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e06b/6461620/b8fabe8036bb/41467_2019_9682_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e06b/6461620/f2ae33639b53/41467_2019_9682_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e06b/6461620/0d686ca6cf23/41467_2019_9682_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e06b/6461620/47c9b576fec3/41467_2019_9682_Fig4_HTML.jpg

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