Preparation and electro-optical properties of triphenylamine-bound chitosan derivative
Preparation and electro-optical properties of triphenylamine-bound chitosan derivative
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三苯胺结合壳聚糖衍生物的制备及其光电性质
DOI：
10.1016/j.ijbiomac.2018.12.194
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发表时间：
2019
影响因子：
8.2
通讯作者：
Toshiyuki Takano
中科院分区：
文献类型：
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作者：
Masaya Shibano;Makoto Karakawa;Hiroshi Kamitakahara;Toshiyuki Takano
以3，6-二-O-己酰化壳聚糖异硫氰酸酯为原料，以78%的产率合成了3，6-二-O-己酰化-N-[4-(N，N-二苯氨基)-1-苯基]硫代氨基甲酰化壳聚糖，并制备了壳聚糖衍生物与三(2-苯基吡啶)Ir(Ppy)3旋涂薄膜。薄膜的紫外-可见吸收光谱和光致发光光谱表明壳聚糖衍生物与Ir(Ppy)3之间存在有效的Förster能量传递。结果表明，区域选择性取代壳聚糖衍生物可以作为有机电致发光二极管发光层的支架材料。
3,6-Di-O-hexanoyl-N-[4-(N,N-diphenylamino)-1-phenyl] thiocarbamoyl chitosan was prepared from 3,6-di-O-hexanoyl chitosan isothiocyanate in a 78% yield, and spin-coated films of the chitosan derivative and tris(2-phenylpyridine)iridium (Ir(ppy)3) were fabricated. Ultraviolet-visible absorption spectra and photoluminescence spectra of the films indicated efficient Förster energy transfer from the chitosan derivative to the Ir(ppy)3. An electroluminescent device using both compounds emitted green luminescence when voltage was applied. The results suggested that the regio-selectively substituted chitosan derivative could be used as a scaffold in the emitting layer of organic light emitting diode.