中国科技纵横
中國科技縱橫
중국과기종횡
CHINA SCIENCE & TECHNOLOGY PANORAMA MAGAZINE
2014年
4期
218-219
,共2页
荧光猝灭%电子转移%三聚噻吩%富勒烯
熒光猝滅%電子轉移%三聚噻吩%富勒烯
형광졸멸%전자전이%삼취새분%부륵희
photoluminescence quenching%electron transfer%trithiophene%fullerenes
在施主/受主荧光系统中,荧光猝灭可用于研究光致电子的转移。当样品中各组分的吸收谱及相应荧光谱存在严重交迭时,荧光检测不可避免地会受到内滤效应及荧光材料吸收深度的影响,造成猝灭率虚高的赝象。本文就三聚噻吩/富勒烯混合液的光谱校正进行研究,以便于正确评估施主与受主材料间的光致电子转移。
在施主/受主熒光繫統中,熒光猝滅可用于研究光緻電子的轉移。噹樣品中各組分的吸收譜及相應熒光譜存在嚴重交迭時,熒光檢測不可避免地會受到內濾效應及熒光材料吸收深度的影響,造成猝滅率虛高的贗象。本文就三聚噻吩/富勒烯混閤液的光譜校正進行研究,以便于正確評估施主與受主材料間的光緻電子轉移。
재시주/수주형광계통중,형광졸멸가용우연구광치전자적전이。당양품중각조분적흡수보급상응형광보존재엄중교질시,형광검측불가피면지회수도내려효응급형광재료흡수심도적영향,조성졸멸솔허고적안상。본문취삼취새분/부륵희혼합액적광보교정진행연구,이편우정학평고시주여수주재료간적광치전자전이。
In donor/acceptor fluorescent system, Photoinduced electron transfer can be observed via photoluminescence quenching. When the absorption spectra and corresponding fluorescence spectra of various components in a sample overlap seriously, the fluorescence detection wil inevitably be affected by the inner filter effect and the absorption depth from the fluorescence material, these directly leads to an artifact quenching efficiency. This paper investigates the fluorescence correction of trithiophene/ful erene mixture, in order to evaluate the electron transfer from donor to acceptor materials correctly.