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Synthesis and Optical Properties of Self-asembled2D Layered Organic-inorganic Perovskites for Optoelectronics

ABSTRACT第6页
Introduction第23-27页
1 Hybrid organic-inorganic semiconductors第27-44页
    1.1 Organic-inorganic hybrid materials第27-35页
        1.1.1 Organic-inorganic hybrid perovskites第28-35页
            1.1.1.1 Composition and spatial structure第28-31页
            1.1.1.2 Elcetronic strure of 2D layered perovskites第31-33页
            1.1.1.3 Excitonic effects第33-35页
    1.2 Deposition technique第35-39页
        1.2.1 Two-step dip-processing第35-37页
        1.2.2 Thermal evaporation technique第37-39页
        1.2.3 Spin-coating technique第39页
    1.3 Applications in opto-electronic devices第39-43页
        1.3.1 Electroluminescence第39-40页
        1.3.2 Solar cells第40-41页
        1.3.3 Mcrocavities第41-43页
    1.4 Conclusion第43-44页
2 Synthesis and characterization of(R-NH_3)_2 PbX_4 perovskites第44-84页
    2.1 Methods for characterization第44-59页
        2.1.1 Structural characterization第45-46页
            2.1.1.1 X-ray diffraction第45页
            2.1.1.2 AFM measurement第45-46页
        2.1.2 Optical characterization第46-59页
            2.1.2.1 Absorption experiment第47-49页
            2.1.2.2 Photoluminescence experiment第49-52页
            2.1.2.3 Excitation of the photoluminescence第52-55页
            2.1.2.4 Ellipsometry第55-59页
    2.2 Perovskite based crystals第59-82页
        2.2.1 Synthesis第60-63页
        2.2.2 Perovskites in solution第63-64页
        2.2.3 2D Layered Perovskites第64-70页
            2.2.3.1 Thin films第64-70页
        2.2.4 Crystal bulks(PEPI and PMPI)第70-75页
        2.2.5 Nanoparticles第75-82页
            2.2.5.1 Spray-drying method第75-80页
            2.2.5.2 Solution method第80-82页
    2.3 Conclusion第82-84页
3 Flexibility of 2D-layered perovskites第84-122页
    3.1 Flexibility of organic moiety第84-99页
        3.1.1 (R-NH_3)_2PbX_4 pcrovskites第85-95页
            3.1.1.1 Influebce of the length of the(CH_2)_n alkyl chain in(T-(CH2)_nNH_3)_2PbX_4第89-91页
            3.1.1.2 Influence of the steric encumbrance of R第91-92页
            3.1.1.3 Influcnce of the structure flexibility of R第92-95页
        3.1.2 (NH_3-R-NH_3)Pbx_4 perovskites第95-99页
    3.2 Mixed perovskites第99-119页
        3.2.1 Mixing in the inorganic part:mixed perovskites(R-NH_3)_2PbY_xZ_(4-x)第100-110页
            3.2.1.1 Mixed perovskites(R-NH_3)_2PbYxZ_(4-x)第100-107页
            3.2.1.2 Mixed crystals R-NH_3X+PbY_2第107-110页
        3.2.2 Mixing in the organic part:mixed AB-(NH_3)_2PbX_4 perovskites第110-119页
    3.3 Conclusion第119-122页
4 Photostability of perovskites第122-156页
    4.1 Photostability related factors第123-135页
        4.1.1 Influence of the presence of oxygen第123页
        4.1.2 Thermal induced decomposition第123-125页
        4.1.3 Degradation through HX photoelimination第125-126页
        4.1.4 Oxidation and elimination of halogen species in inorganic parts第126-128页
        4.1.5 Photostability dependence upon the structure of the organic part of chloride-based perovskites第128-130页
        4.1.6 Influence of tenperature第130-131页
        4.1.7 Influence of the spatial arrangement第131-135页
    4.2 Fluorinated organic-inorganic hybrid(R-NH_3)_2PbX_4 semiconductors第135-143页
        4.2.1 Preparation and structure characterization第135-140页
        4.2.2 Optical characterization第140-142页
            4.2.2.1 Bromide containing perovskites第140-141页
            4.2.2.2 lodide containing pcrovskites第141-142页
            4.2.2.3 Chloride containing perovskites第142页
        4.2.3 Perfluorophenyl perovskite第142-143页
    4.3 Perovskites doped PMMA layer第143-153页
        4.3.1 Preparation第144-145页
        4.3.2 Annealing condition第145页
        4.3.3 Characterization第145-153页
            4.3.3.1 Structure第145-148页
            4.3.3.2 Absorption and Photohuminescence spectra第148-151页
            4.3.3.3 Photostability第151-153页
    4.4 Conclusion第153-156页
5 Planar microcavity and strong coupling第156-190页
    5.1 Generalities第157-172页
        5.1.1 Fabry-Perot cavity第157-160页
        5.1.2 Distributed Bragg reflector第160-162页
        5.1.3 Physics in cavities第162-172页
            5.1.3.1 Strong/weak coupling regime第162-163页
            5.1.3.2 Description of photon-exciton coupling第163-168页
            5.1.3.3 Bottleneck and polariton photoluminescence第168-170页
            5.1.3.4 Polariton laser and BEC第170-172页
    5.2 Microcavities containing perovskites第172-188页
        5.2.1 Experimental characterization第173-175页
            5.2.1.1 Fabrication of the microcavities第173页
            5.2.1.2 Angle resolved reflectivity experiment第173-174页
            5.2.1.3 Angle resolved photoluminescence experiment第174-175页
        5.2.2 PEPI based microcavity第175-181页
        5.2.3 4FPEPI based microeavity第181-188页
    5.3 Conclusion第188-190页
Conclusions第190-194页
Appendix A第194-196页
Appendix B第196-202页
Publications第202-204页
Bibliography第204-214页

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