Structure analysis of porous coordination polymers with flexible framework by X-ray powder diffraction.

用同步辐射粉末衍射法研究了柔性骨架多孔配位聚合物(PCP)在气体吸附过程中的结构变化。研究发现，随着吸附CO_2量的增加，纳米孔中含有报告分子的PCP的骨架由菱形转变为方形，报告分子的结构也发生了相应的变形，并发出蓝光。结果发现该材料起到了CO_2传感器的作用。

This study revealed the structural change in the gas adsorption process of porous coordination polymers(PCP) with flexible framework by the synchrotron powder diffraction method. It was found that a certain PCP with reporter molecules in the nanopore transformed its framework from lozenge shape to square shape with increasing the amount of adsorbate CO_2.The structure of reporter molecule in the nanopore also deformed in sync with it emitting a blue light. As a result this material was found to play role as a CO_2 sensor.