发光的二氮杂硼烷基官能化聚苯乙烯

Luminescent Diazaborolyl-Functionalized Polystyrene.

作者信息

Kuhtz Henry, Cheng Fei, Schwedler Stefanie, Böhling Lena, Brockhinke Andreas, Weber Lothar, Parab Kshitij, Jäkle Frieder

机构信息

Universität Bielefeld, Universitätsstraße 25, D-33615, Germany.

Department of Chemistry, Rutgers University-Newark, 73 Warren Street, Newark, New Jersey 07102, United States.

出版信息

ACS Macro Lett. 2012 May 15;1(5):555-559. doi: 10.1021/mz300071f. Epub 2012 Apr 12.

DOI:10.1021/mz300071f

PMID:35607060

Abstract

We present two different procedures for the synthesis of poly[4-(1',3'-diethyl-1',3',2'-benzodiazaborolyl)styrene] () and poly[4-(1',3'-diphenyl-1',3',2'-benzodiazaborolyl)styrene] (). The new polymers were fully characterized by GPC, multinuclear NMR, and elemental analysis. The thermal properties and stability were studied by DSC and TGA, and the optical characteristics were examined by absorption and time-resolved fluorescence spectroscopy. Remarkably high quantum yields of up to 77% were measured. In comparison to molecular species we found significantly shorter lifetimes, likely as a result of incorporation of the chromophores into the polymer structure.

摘要

我们展示了两种不同的合成聚[4-(1',3'-二乙基-1',3',2'-苯并二氮杂硼硼烷基)苯乙烯]（）和聚[4-(1',3'-二苯基-1',3',2'-苯并二氮杂硼硼烷基)苯乙烯]（）的方法。通过凝胶渗透色谱法（GPC）、多核核磁共振（NMR）和元素分析对新聚合物进行了全面表征。通过差示扫描量热法（DSC）和热重分析法（TGA）研究了热性能和稳定性，并通过吸收光谱和时间分辨荧光光谱法检测了光学特性。测量到的量子产率高达77%，非常高。与分子物种相比，我们发现寿命明显更短，这可能是由于发色团并入聚合物结构所致。