广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2014年
18期
1-3,18
,共4页
瞿金清%曾伟锋%陈秀丽%路新卫%刘瑞源
瞿金清%曾偉鋒%陳秀麗%路新衛%劉瑞源
구금청%증위봉%진수려%로신위%류서원
2-硫代海因%阴离子识别%共轭聚合物%荧光传感器
2-硫代海因%陰離子識彆%共軛聚閤物%熒光傳感器
2-류대해인%음리자식별%공액취합물%형광전감기
2-thiohydantoin%anion recognition%conjugated polymer%fluorescent sensor
设计合成含2-硫代海因的小分子对照物1和聚苯撑乙炔poly(1)。通过一系列阴离子的正四丁基铵盐的DMSO溶液来评价聚合物的阴离子识别性能。加入 F-后, poly (1)的 DMSO 溶液荧光淬灭;然而,加入 Cl-, Br-, HSO4-, NO3-和CH3CO2-后, poly(1)溶液荧光不变,说明poly(1)对氟离子有荧光识别能力。 Poly(1)对F-的Stern-Volmer 淬灭常数为7.09×104 M-1,相应地,对照物1对F-的Stern-Volmer淬灭常数为5.10×102 M-1,说明了poly(1)具有增强淬灭效应。
設計閤成含2-硫代海因的小分子對照物1和聚苯撐乙炔poly(1)。通過一繫列陰離子的正四丁基銨鹽的DMSO溶液來評價聚閤物的陰離子識彆性能。加入 F-後, poly (1)的 DMSO 溶液熒光淬滅;然而,加入 Cl-, Br-, HSO4-, NO3-和CH3CO2-後, poly(1)溶液熒光不變,說明poly(1)對氟離子有熒光識彆能力。 Poly(1)對F-的Stern-Volmer 淬滅常數為7.09×104 M-1,相應地,對照物1對F-的Stern-Volmer淬滅常數為5.10×102 M-1,說明瞭poly(1)具有增彊淬滅效應。
설계합성함2-류대해인적소분자대조물1화취분탱을결poly(1)。통과일계렬음리자적정사정기안염적DMSO용액래평개취합물적음리자식별성능。가입 F-후, poly (1)적 DMSO 용액형광쉬멸;연이,가입 Cl-, Br-, HSO4-, NO3-화CH3CO2-후, poly(1)용액형광불변,설명poly(1)대불리자유형광식별능력。 Poly(1)대F-적Stern-Volmer 쉬멸상수위7.09×104 M-1,상응지,대조물1대F-적Stern-Volmer쉬멸상수위5.10×102 M-1,설명료poly(1)구유증강쉬멸효응。
Novel of small molecule counterpart and poly (phenyleneethynylenes)(1) bearing 2-thiohydantoin were synthesized.The anion sensing ability of poly ( 1 ) were estimated via the tetra -n-butylammonium ( TBA ) salts of a series of anions in DMSO.The addition of F -quenches the fluorescence , the fluorescence of the solution only changed slightly upon adding other anions of Cl -, Br-, HSO4-, NO3-and CH3CO2-, indicating the sensing ability of poly (1) towards F -.The Stern-Volmer quenching constant of poly (1) causes by F -was 7.09 ×104 M-1 , while that of the small molecule counterpart was 5.10 ×102 M-1 , indicating the amplified quenching effect of poly (1).