含苯并噻二唑的二维有机染料的合成与光伏性能研究

发布时间：2018-06-07 04:59

本文选题：有机染料 + 苯并噻二唑　；参考：《有机化学》2014年02期

【摘要】：通过引入烷基二噻吩苯并噻二唑窄带隙基元到D-π-A有机染料体系中,设计并合成了两种二维结构的有机染料DD2和DH2,系统地研究了以烷基二噻吩苯并噻二唑基元作为侧基或桥联基元对染料敏化剂的光物理性能、电化学性能和光伏性能的影响.含有烷基二噻吩苯并噻二唑基元的这两种染料都具有较宽的吸收光谱.在氙灯光源(100mW?cm-2,AM 1.5 G)下,基于有机染料DH2和DD2的染料敏化太阳能电池的能量转换效率分别为1.67%和3.26%.采用鹅去氧胆酸(CDCA)共吸附剂优化后,染料DH2表现出较好的抗聚集能力,能量转换效率几乎没有变化;而DD2的能量转换效率提高到了5.53%.
[Abstract]:The narrow band gap unit of alkyl dithiophene benzothiadiazole was introduced into D- 蟺 -A organic dye system. Two 2-D organic dyes, DD2 and DH _ 2, were designed and synthesized. The effects of alkyl dithiophene benzothiadiazole unit as side group or bridged unit on the photophysical, electrochemical and photovoltaic properties of dye sensitizers were systematically studied. Both dyes containing alkyl dithiophene benzothiadiazole have wide absorption spectra. The energy conversion efficiency of dye sensitized solar cells based on organic dyes DH2 and DD2 was 1.67% and 3.26%, respectively. The dye DH2 showed good anti-aggregation ability and almost no change in energy conversion efficiency, but the energy conversion efficiency of DD2 was increased to 5.53 after the co-adsorbent of chenodeoxycholic acid was used.
【作者单位】：湘潭大学化学学院教育部环境友好化学与应用重点实验室;
【基金】：国家自然科学基金(No.51173154) 湖南省自然科学基金(No.13JJ2025)资助项目~~
【分类号】：O626;TM914.4

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