1. 毕业设计（论文）的内容和要求

完成文献调研，优化cspbx3薄膜制备过程，采用两步法进行cspbx3薄膜制备。

采用多种实验手段表征薄膜光物理性能。

根据布拉格公式计算所需光栅周期，采用纳米压印系统对特定周期光栅进行制备并表征dfb激光性能。

2. 参考文献

【1】Park, N.-G. Organometal perovskite light absorbers toward a 20% efficiency low-cost solid-state mesoscopic solar cell.[J] J. Phys. Chem. Lett. 2013,4, 2423#8211;2429 . 【2】Kim, H.-S., Im, S. H. Park, N.-G. Organolead halide perovskite: new horizons in solar cell research.[J] J. Phys. Chem. C ,2014,118, 5615#8211;5625 . 【3】Green, M. A., Ho-Baillie, A. Snaith, H. J. The emergence of perovskite solar cells. [J]Nature Photon.2014,8, 506#8211;514 . 【4】Stranks, S. D. Snaith, H. J. Metal-halide perovskites for photovoltaic and light-emitting devices. [J]Nature Nanotech. 2015,10, 391#8211;402 . 【5】De Wolf, Stefaan; Holovsky, Jakub; Moon, Soo-Jin et al. Organometallic halide perovskites: sharp optical absorption edge and its relation to photovoltaic performance.[J] J. Phys. Chem. Lett. 2014,5, 1035#8211;1039 . 【6】Leijtens, Tomas; Stranks, Samuel D.; Eperon, Giles E et al. Electronic properties of meso-superstructured and planar organometal halide perovskite films: charge trapping, photodoping, and carrier mobility.[J] ACS Nano 2014,8, 7147#8211;7155 . 【7】 Stranks, Samuel D.; Eperon, Giles E.; Grancini, Giulia et al. Electron#8211;hole diffusion lengths exceeding 1 micrometer in an organometal trihalide perovskite absorber.[J] Science 2013,342, 341#8211;344 . 【8】Shi, Dong; Adinolfi, Valerio; Comin, Riccardo et al. Low trap-state density and long carrier diffusion in organolead trihalide perovskite single crystals.[J] Science 2015,347, 519#8211;522 . 【9】 Stranks, Samuel D.; Burlakov, Victor M.; Leijtens, Tomas et al. Recombination kinetics in organic-inorganic perovskites: excitons, free charge, and subgap states.[J] Phys. Rev. Appl. 2014,2, 1-8 . 【10】Hao, F., Stoumpos, C. C., Cao, D. H., et al. Lead-free solid-state organic#8211;inorganic halide perovskite solar cells.[J] Nature Photon. 2014,8, 489#8211;494 . 【11】Jeon, Nam Joong; Noh, Jun Hong; Yang, Woon Seok et al. Compositional engineering of perovskite materials for high-performance solar cells.[J] Nature 2015,517, 476#8211;480 . 【12】Yang, Woon Seok; Noh, Jun Hong; Jeon, Nam Joong et al. High-performance photovoltaic perovskite layers fabricated through intramolecular exchange.[J] Science 2015,348, 1234#8211;1237 . 【13】Protesescu, Loredana; Yakunin, Sergii; Bodnarchuk, Maryna I et al. Nanocrystals of cesium lead halide perovskites (CsPbX3 ,X = Cl, Br, and I): novel optoelectronic materials showing bright emission with wide color gamut.[J] Nano Lett. 2015,15, 3692#8211;3696 . 【14】Swarnkar, Abhishek; Chulliyil, Ramya; Ravi, Vikash Kumar et al. Colloidal CsPbBr3 perovskite nanocrystals: luminescence beyond traditional quantum dots. [J]Angew. Chem. 2015,127, 15644#8211;15648 . 【15】Sutherland, Brandon R.; Sargent, Edward H. et al. Perovskite photonic sources.[J] Nature Photo. 2016,10, 295-302. 【16】Jian Zhang . Xiaokun Yang . Hui Deng et al. Low-Dimensional Halide Perovskites and Their Advanced Optoelectronic Applications.[J] NANO-MICRO LETTERS , 2017,3,36. 【17】De Wolf, Stefaan; Holovsky, Jakub; Moon, Soo-Jin et al. Organometallic halide perovskites: sharp optical absorption edge and its relation to photovoltaic performance.[J] J. Phys. Chem. Lett.2014, 5, 1035#8211;1039 . 【18】Xing, Guichuan; Mathews, Nripan; Lim, Swee Sien et al. Low-temperature solution-processed wavelength-tunable perovskites for lasing.[J] Nature Mater. 2014,13, 476#8211;480 . 【19】Sutherland, B. R., Hoogland, S., Adachi, M. M., et al. Conformal organohalide perovskites enable lasing on spherical resonators. [J]ACS Nano 2014,8, 10947#8211;10952 . 【20】 Priante, D.; Dursun, I.; Alias, M. S et al. The recombination mechanisms leading to amplified spontaneous emission at the true-green wavelength in CH3NH3PbBr3 perovskites.[J] Appl. Phys. Lett. 2015,106, 081902 .

3. 毕业设计（论文）进程安排

2017年12月22日前，公布工作计划、确定指导教师、申报毕业设计（论文）题目，学生选题。

2018年2月28日前，任务书下达，指导学生查阅文献，做好开题前期工作。

2018年3月2日前，在广泛查阅资料的基础上，完善课题研究方案，完成外文翻译、文献综述和开题报告等工作，组织开题论证和初期检查工作。