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毕业论文网 > 任务书 > 材料类 > 材料科学与工程 > 正文

碘代高效室温磷光材料的制备与性能研究任务书

 2020-05-01 08:49:17  

1. 毕业设计(论文)的内容和要求

毕业设计的内容和要求: 室温磷光材料是一种在室温状态下具有磷光发射信号的材料。

材料分子中的电子受到激发吸收能量跃迁到高能态的单线态激发态,经过系间窜跃达到三线态,三线态跃迁到基态辐射磷光。

由于从单线态到三线态的过程禁阻,所以很难实现磷光。

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2. 参考文献

[1] Z. An, C. Zheng, Y. Tao, R. Chen, H. Shi, T. Chen, Z. Wang, H. Li, R. Deng, X. Liu, W. Huang. Stabilizing triplet excited states for ultralong organic phosphorescence[J]. Nat. Mater., 2015, 14(7): 685-690. [2] Cai, S. Shi, H. Li, J. Gu, L. Ni, Y. Cheng, Z. Wang, S. Xiong, W. Li, L. An, Z. Huang. W. Visible-Light-Excited Ultralong Organic Phosphorescence by Manipulating Intermolecular Interactions[J]. Adv. Mater., 2017, 29(35): 1701244-1701249. [3] Z. Li, Y. Zhang, X. Wu, L. Huang, D. Li, W. Fan, G. Han. Direct Aqueous-Phase Synthesis of Sub-10 nm ”Luminous Pearls” with Enhanced in Vivo Renewable Near-Infrared Persistent Luminescence[J]. J. Am. Chem. Soc., 2015, 137(16): 5304-5307. [4] S. Xu, R. Chen, C. Zheng, W. Huang. Excited State Modulation for Organic Afterglow: Materials and Applications[J]. Adv. Mater., 2016, 28(45): 9920-9940. [5] G. Zhang, J. Chen, S. J. Payne, S. E. Kooi, J. N. Demas, C. L. Fraser. Multi-Emissive Difluoroboron Dibenzoylmethane Polylactide Exhibiting Intense Fluorescence and Oxygen-Sensitive Room-Temperature Phosphorescence[J]. J. Am. Chem. Soc., 2007, 129(29): 8942-8943. [6] H. Qian, M. E. Cousins, E. H. Horak, A. Wakefield, M. D. Liptak, I. Aprahamian. Suppression of Kasha's rule as a mechanism for fluorescent molecular rotors and aggregation-induced emission[J]. Nat. Chem., 2017, 9(1): 83-87. [7] S. Cai, H. Shi, Z Zhang, X Wang, H Ma.Z. An, W. Huang. Hydrogen-Bonded Organic Aromatic Frameworks for Ultralong Phosphorescence by Intralayer π-π Interactions[J]. Angew. Chem., 2018, 57(15): 4005-4009. [8] Gu, L. Shi, H. Gu, M. Ling, K. Ma, H. Cai, S. Song, L. Ma, C. Li, H. Xing, G. Hang, X. Li, J. Gao, Y. Yao, W. Shuai, Z. An, Z. Liu, X. Huang, W. Dynamic ultralong organic phosphorescence by photoactivation[J]. Angew. Chem., 2017, 57(28): 8425-8431. [9] Gu, L. Shi, H. Miao, C. Wu, Q. Cheng, Z. Cai, S. Gu, M. Ma, C. Yao, W. Gao, Y. An, Z. Huang, W. Prolonging the lifetime of ultralong organic phosphorescence through dihydrogen bonding[J]. Mater. Chem., 2018, 6(2): 226#8722;233. [10] S. Dalapati, E. Jin, M. Addicoat, T. Heine, D. Jiang. Highly Emissive Covalent Organic Frameworks[J]. J. Am. Chem. Soc., 2016, 138(18): 5797-5800. [11] R. Xue, H. Guo, T. Wang, L. Gong, Y. Wang, J. Ai, D. Huang, H. Chen, W. Yang. Fluorescence properties and analytical applications of covalent organic frameworks[J]. Analytical Methods., 2017, 9(25): 3737-3750. [12] T. Yu, D. Ou, Z. Yang, Q. Huang, Z. Mao, J. Chen, Y. Zhang, S. Liu, J. Xu, M. R. Bryce, Z. Chi. The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials[J]. Chemical Science., 2017, 8(2): 1163-1168. [13] C. Sun, X. Ran, X. Wang, Z. Cheng, Q. Wu, S. Cai, L. Gu, N. Gan, H. Shi, Z. An, H. Shi, W. Huang. Twisted Molecular Structure on Tuning Ultralong Organic Phosphorescence[J]. J. Phys. Chem. Lett., 2018, 9(2): 335-339. [14] E. Lucenti, A. Forni, C. Botta, L. Carlucci, C. Giannini, D. Marinotto, A. Previtali, S. Righetto, E. Cariati. H-Aggregates Granting Crystallization-Induced Emissive Behavior and Ultralong Phosphorescence from a Pure Organic Molecule[J]. J. Phys. Chem. Lett., 2017, 8(8): 1894-1898. [15] Y. Shoji, Y. Ikabata, Q. Wang, D. Nemoto, A. Sakamoto, N. Tanaka, J. Seino, H. Nakai, T. Fukushima. Unveiling a New Aspect of Simple Arylboronic Esters: Long-Lived Room-Temperature Phosphorescence from Heavy-Atom-Free Molecules[J]. J. Am. Chem. Soc., 2017, 139(7): 2728-2733. [16] Z. Cheng, H. Shi, H. Ma, L. Bian, Q. Wu, L. Gu, S. Cai, X. Wang, W. W. Xiong, Z. An, W. Huang. Ultralong Phosphorescence from Organic Ionic Crystals under Ambient Conditions[J]. Angew. Chem. Int. Ed., 2018, 57(3): 678-682. [17] S. Hirata, K. Totani, J. Zhang, T. Yamashita, H. Kaji, S. R. Marder, T. Watanabe, C. Adachi. Efficient Persistent Room Temperature Phosphorescence in Organic Amorphous Materials under Ambient Conditions[J]. Adv. Funct. Mater., 2013, 23(27): 3386-3397. [18] F. Hu, C. Liu, M. Wu, J. Pang, F. Jiang, D. Yuan, M. Hong. An Ultrastable and Easily Regenerated Hydrogen‐Bonded Organic Molecular Framework with Permanent Porosity[J]. Angew. Chem. Int. Ed., 2017, 56(8): 2101-2104. [19] Hirata, S. Recent Advances in Materials with Room-Temperature Phosphorescence: Photophysics for Triplet Exciton Stabilization[J]. Adv. Opt. Mater., 2017, 5(17): 1700116#8722;1700165. [20] W. P. Lustig, S. Mukherjee, N. D. Rudd, A. V. Desai, J. Li, S. K. Ghosh. Metal-organic frameworks: functional luminescent and photonic materials for sensing applications[J]. Chem. Soc. Rev., 2017, 46(11): 3242-3285.

3. 毕业设计(论文)进程安排

毕业设计进度安排 19.01.11~19.02.20 文献调研 19.02.20~19.05.10 外文翻译,开题报告,开展实验工作 19.05.10~19.05.28 中后期实验阶段及数据收集 19.05.28~19.06.10 数据整理,撰写论文

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