Precise C2H2 Adsorption Affinity Modulation by Nitrogen Functionalization in Isostructural Coordination Networks

Jian Wei Cao, Tao Zhang, Yu Qi Liu, Yu Wang, Fu Ping Pan, Juan Chen, Kai Jie Chen

科研成果: 期刊稿件文章同行评审

摘要

Meticulous regulation of pore chemistry is essential for elucidating the intricate mechanism of the adsorption efficacy of porous materials. However, it is a great challenge to address the functionalization of pore chemistry while preserving pore size and geometry. In this study, the robust NPU-1 series network is selected as a platform to address this challenge. By regulating the nitrogen distribution in bilayer-pyridine ligands, a series of coordination networks (NPU-1-TPB/TPP/TPT) with the same pore size and geometry but different pore polarity is obtained, affording an increase in C2H2 enthalpies from −28.3 to −33.1 kJ mol−1. In situ, infrared spectroscopy uncovers the enhanced C2H2 interaction with the central phenyl ring of bilayer-pyridine ligands with the extent of nitrogen functionalization.

源语言英语
文章编号2501924
期刊Small
21
14
DOI
出版状态已出版 - 9 4月 2025

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