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碘化Bodipy-苝酰亚胺Dyad/Triad的制备以及分子内/分子间能量转移的研究
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Indexed by:会议论文

Date of Publication:2014-07-11

Page Number:1

Key Words:氟硼吡咯;共振能量转移;光敏剂;苝酰亚胺;三重态

Abstract:三重态光敏剂在光催化、光动力治疗以及三重态湮灭上转换等领域有着重要的应用[1]。传统的三重态光敏剂一般只含单一的吸光基团,比如卟啉类化合物、孟加拉玫瑰红(Rose Bangle)以及亚甲基蓝等。该分子结构导致此类三重态光敏剂的吸收谱带较窄,不能有效利用宽谱带激发光源的激发能,如太阳光。为此本文制备了含有两个吸光基团的化合物B-1,并利用稳态与瞬态光谱研究了分子内很分子间单重态能量转移。发现能量给体的ISC作用不能被FRET作用抑制,并观察到了分子内三重态能量转移[3]。

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