B-N杂化聚合物合成及其光电性能研究任务书
2020-06-14 16:14:10
1. 毕业设计(论文)的内容和要求
毕业设计的内容: ”硼-氮”杂化材料[1]是近年来逐渐兴起的一类新型材料。
人们研究发现,通过在材料中引入”硼-氮”双键这一”碳-碳”双键的等电子体结构,在不改变分子共轭结构和平面性的情况下,可以有效调节材料的光谱吸收范围,降低分子的带隙;同时由于”硼-氮”双键具有”碳-碳”双键所不具有的极性,使得杂化后的分子间相互作用增强,更有利于电荷在分子间的传输。
目前该类材料已经被应用于氢能存储[2]、生物医用检测[3] 、电致发光[4]和有机薄膜场效应管[5-7]中,取得了非常不错的结果。
2. 参考文献
[1] P. G. Campbell, A. J. V. Marwitz, S.-Y. Liu, ”Recent advances in Azaborine Chemistry”, Angew. Chem. Int. Ed., 2012, 51, 6074-6092. [2] G. Chen, L. N. Zakharov, M. E. Bowden, A. J. Karkamkar, S. E. Whittemore, E. B. III Garner, T. C. Mikulas, D. A. Dixon, T. Autrey, S.-Y. Liu, #147;Bis-BN cyclohexane: a remarkably kinetically stable chemical hydrogen storage materials#148;, J. Am. Chem. Soc., 2015, 137, 134-137. [3] R. Yoshii, A. Hirose, K. Tanaka, Y. Chujo, #147;Functionalization of boron diiminates with unique optical properties: Multicolor tuning of crystallization-induced emission and introduction into the main chain of conjugated polymers#148;, J. Am. Chem. Soc., 2014, 136, 18131-18139. [4] S. Wang, D.-T. Yang, J. Lu, H. Shimogawa, S. Gong, X. Wang, S. K. Mellerup, A. Wakamiya, Y.-L. Chang, C. Yang, Z.-H. Lu, #147;In situ solid-state generation of (BN)2-pyrenes and electroluminescent devices#148;, Angew. Chem. Int. Ed., 2015, 54, 15074-15078. [5] X.-Y. Wang, H.-R. Lin, T. Lei, D.-C. Yang, F.-D. Zhuang, J.-Y. Wang, S.-C. Yuan,J. Pei, ”Azaborine compounds for organic field-effect transistors: efficient synthesis, remarkable stability, and BN dipole interactions”, Angew. Chem. Int. Ed., 2013, 52, 3117-3120. [6] X.-Y. Wang, D.-C. Yang, F.-D. Zhuang, J.-J. Liu, J.-Y. Wang, J. Pei, ”Postfunctionalization of BN-embedded polycyclic aromatic compounds for fine-uning of their molecular properties”, Chem. Eur. J., 2015, 21, 8867-8873. [7] X.-Y. Wang, F.-D. Zhuang, R.-B. Wang, X.-C. Wang, X.-Y. Cao, J.-Y. Wang, J. Pei, ”A straightforward strategy toward large BN-embedded π systems: synthesis, structure, and optoelectronic properties of extended BN heterosuperbenzenes”, J. Am. Chem. Soc., 2014, 136, 3764-3767. [8] Z. Zhang, Z. Ding, C. Dou, J. Liu, L. Wang, ”Development of a donor polymer using a B←N unit for suitable LUMO/HOMO energy levels and improved photovoltaic performance”, Polym. Chem., 2015, 6, 8029-8035. [9] C. Dou, Z. Ding, Z. Zhang, Z. Xie, J. Liu, L. Wang, ”Developing conjugated polymers with high electron affinity by replacing a C-C unit with a B←N unit”, Angew. Chem. Int. Ed., 2015, 54, 3648-3652. [10] C. Dou, X. Long, Z. Ding, Z. Xie, J. Liu, L. Wang, ”An electron-deficient building block based on the B N unit: an electron acceptor for all-polymer solar cells” Angew. Chem. Int. Ed., 2016, 55, 1436-1440.
3. 毕业设计(论文)进程安排
2016.12-2017.1 文献调研,论文综述的撰写 2017.2-2017.3 实验前期准备,制定实验计划 2017.3-2017.5 实验开展 2017.5-2017.6 毕业论文写作及答辩