高等学校化学学报2026，Vol.47Issue(4)：153-160,8.DOI:10.7503/cjcu20250382
酸碱和客体可调控的延迟荧光及其逻辑门应用
Acid/Base and Guest Controlled Delayed Fluorescence and Its Application in Logic Gate
摘要
Abstract
A delayed fluorescence system regulating the space charge transfer(TSCT)pathway via host-guest interactions and acid-base stimulation is proposed.Within the macrocyclic molecule C[3]A-1,an intramolecular TSCT pathway forms between the 3-cyanopyridine acceptor in the cavity and the macrocyclic donor,generating green thermally activated delayed fluorescence(TADF)emission.Upon introduction of the guest 2-cyanopyrazine(2-CP),host-guest assembly induces a conformational change in the receptor,shutting down the intramolecular TSCT pathway.Simultaneously,a new intermolecular TSCT pathway is established between the guest and the macrocycle sidewall,leading to yellow TADF emission and enabling reversible switching of delayed fluorescence.Furthermore,protonation/deprotonation at the receptor's nitrogen site confers acid-base responsiveness,enabling reversible switching of luminescence.Leveraging these multi-stimulus-responsive properties,a multi-level molecular logic gate was successfully constructed,offering novel insights for designing tunable delayed-fluorescence materials.关键词
主客体作用/空间电荷转移/刺激响应性/热激活延迟荧光/杯[3]二氢吖啶Key words
Host-guest interaction/Space charge transfer(TSCT)/Stimulus response/Thermally activated delayed fluorescence(TADF)/Calix[3]acridans分类
化学化工引用本文复制引用
宋奎柱,龙宇杰,王亚茹,王嘉麒,吕海燕,陈传峰..酸碱和客体可调控的延迟荧光及其逻辑门应用[J].高等学校化学学报,2026,47(4):153-160,8.基金项目
国家自然科学基金(批准号:22371277,22031010,22171272)和中国科学院战略性前沿专项(批准号:XDB0520302)资助. Supported by the National Natural Science Foundation of China(Nos.22371277,22031010,22171272)and the Strategic Priority Research Program of the Chinese Academy of Sciences,China(No.XDB0520302). （批准号:22371277,22031010,22171272）
