Journal of the American Chemical Society·· 10 小时前精选AI 评分58
大位阻烷基取代二芳基乙烯实现快速ON/OFF荧光光开关
Fast ON/OFF Emission Photoswitching of Turn-On Mode Fluorescent Diarylethenes
AI 导读
研究者在1,2-双(2-乙基-6-苯基-1-苯并噻吩-1,1-二氧化物-3-基)全氟环戊烯的2-和2′-位引入烷基取代基，发现异丁基、新戊基等大位阻伯烷基可显著提高光致闭环回收量子产率，从5.9 × 10–4提升至4.6 × 10–1，接近3个数量级。
推荐理由
通过引入新戊基等大位阻烷基，把二芳基乙烯的光致闭环回收量子产率提升近三个数量级，并给出激发态势能面解释。
图表、补充材料与最终表述以原文为准。阅读原文
来源：Journal of the American Chemical Society · doi.org
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