物質化学領域の長尾准教授らの論文が、英国王立化学会(RSC)刊行のCrystEngCommでHot Articlesに選出

 物質化学領域の長尾 祐樹准教授、修了生のLI, Zhongpingさん(令和元年9月博士後期課程修了、長尾研究室、元日本学術振興会特別研究員)、学生のLIU, Zhaohanさん(博士前期課程2年、長尾研究室)、YAO, Yuzeさん(博士後期課程2年、長尾研究室)、HASAN, Md. Mahmudulさん(博士後期課程3年、長尾研究室)らの論文 "Intrinsic proton conduction in 2D sulfonated covalent organic frameworks through a post-synthetic strategy" が、英国王立化学会(RSC)刊行のCrystEngCommでHot Articles(レビュアによって推奨された上位10%論文)に選出されました。


Intrinsic proton conduction in 2D sulfonated covalent organic frameworks through a post-synthetic strategy

Yuwei Zhang, Chunzhi Li, Zhaohan Liu, Yuze Yao, Md. Mahmudul Hasan, Qianyu Liu, Jieqiong Wan, Zhongping Li*, He Li* and Yuki Nagao*(*は責任著者です)

Two-dimensional covalent organic frameworks (2D COFs) have attracted much attention in proton conduction, owing to their regular pore channels and easy functionalization. However, most of the COFs required loading of proton carriers to achieve high proton conductivity. Here, we report the immobilization of flexible sulfonic acid groups on the channel walls of PyTTA-DHTA-COF (synthesized by condensation of 4,4′,4′′,4′′′-(pyrene-1,3,6,8-tetrayl)tetraaniline and 2,5-dihydroxyterephthalaldehyde) via a simple post-synthetic modification strategy. The sulfonated COF showed intrinsic proton conductivity up to 10−3 at 25 °C and 100% relative humidity (RH) and high conductivity up to 10−2 S cm−1 at 70 °C and 100% RH without the introduction of any non-covalent acid molecules or imidazole derivatives.

It is a great honor for us to be selected as the Hot Article at CrystEngComm. I would like to gratitude to Prof. Yuki Nagao, Dr. He Li, and all our lab members for contributions and support to this work. I also appreciate the support by JSPS. We believe that this research is a step towards achieving our research goals and inspiring us to do better in the future.