Complexation and Fluorescence Enhancement ofBay-site CarboxylModifiedPeryleneDimidewithCalciumIon

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（1.，CollgeofMaterialsScienceandEngineering， ，Shanghai 201620，China； 2. ，，Yunfu52730o，China） CorrespondingAuthors，E-mail：2170364@mail.dhu.edu.cn；sunbin@dhu.edu.cn

Abstract：Bay-site carboxyl functionalized perylene diimide derivative -COOH-PDI-C （PDI-COOH） was synthesizedand distinct enhanced fluorescence was observed through combining withcalcium ion（Ca2）in THF/H O solution.The assembly and fluorescence behavior of PDI-COOH/Ca2 were studied in detail by changing hydration state withdiferent concentrations，Based on the diferences inassembly morphologyand stoichiometric ratios of PDI（204號(hào) ，we proposed the fluorescence emission mechanism of PDI-COOH/Ca2+ in THF/H O and THF，respec tively.This work revealsanovelstrategyofaggregated state fluorescence enhancementandremindsusof theimportant role of water in molecular fluorescence emission and assembly.

KeyWords：carboxyl functionalized；fluorescence behavior；perylene diimide；photoinduced electron transfer effect;calciumion

CLCnumber：O482.31 Document code：A

DOI：10.37188/CJL.20240275 CSTR：32170.14.CJL.20240275

羧基改性苝酰亞胺與鈣離子的絡(luò)合組裝及熒光增強(qiáng)

顧丹丹1，趙浩儒1，江曉澤1，齊浩含1，廖作桂2，陳珈1*，孫賓1*（1.東華大學(xué)材料科學(xué)與工程學(xué)院，纖維材料改性國家重點(diǎn)實(shí)驗(yàn)室，上海201620;2.廣東壹諾科技股份有限公司，廣東云浮527300）

摘要：合成了灣位羧基化的苝酰亞胺衍生物1，7-COOH-PDI ，并在 溶液中與鈣離子中 結(jié)合，觀察到獨(dú)特的熒光增強(qiáng)現(xiàn)象。（剩余27591字）