合成是引入和推進(jìn)功能材料或設(shè)備不同特性的常用方法。隨后,有各種技術(shù),結(jié)合兩種或多種材料,形成一個(gè)統(tǒng)一的多功能/復(fù)合系統(tǒng)。雖然混合有機(jī)金屬鹵化物環(huán)丙基（OMHPs）主要被探索為照片或照片增強(qiáng)應(yīng)用,無(wú)論是時(shí)間,位置或光有限,他們顯示了多功能性,當(dāng)系統(tǒng)地與其他材料混合。在這個(gè)工作中,采用溶膠凝膠法和垂直超聲輔助基底振蕩（UVPT）的工藝,來(lái)提高聚乳酸（PLA）/三碘化甲基鉛胺（MAPbI₃）鈣鈦礦復(fù)合薄膜的電活性,然后將這種薄膜應(yīng)用于制備基于可彎折基底的機(jī)電和壓電能量收集器中。首先,制備了半導(dǎo)體錫（iv）氧化物電紡納米纖維（SnO₂ NF）分散液,與聚L乳酸（PLLA）、多金丁氟化物（PVDF）的聚合物溶液適當(dāng)混合,最后通過(guò)系統(tǒng)UVPT工藝轉(zhuǎn)化為薄中孔復(fù)合薄膜結(jié)構(gòu)。利用場(chǎng)發(fā)射掃描電子顯微鏡（SEM）、拉曼光譜、傅立葉傳輸紅外光譜（FTIR）、X射線衍射（XRD）和電子分散光譜（EDS）,對(duì)所得結(jié)構(gòu)進(jìn)行了研究和驗(yàn)證。其次,MAPbI₃隨后通過(guò)基板的垂直超聲波振動(dòng)滲透到多孔復(fù)合支架中,然后添加其他功能層來(lái)完成設(shè)備結(jié)構(gòu)。MAPbI<... 

【文章來(lái)源】：東華大學(xué)上海市 211工程院校 教育部直屬院校

【文章頁(yè)數(shù)】：82 頁(yè)

【學(xué)位級(jí)別】：碩士

【文章目錄】：
ABSTRACT
摘要
LIST OF ABBREVIATIONS
1.INTRODUCTION AND LITERATURE REVIEW
    1.1.Introduction
    1.2.Background
    1.3.Classification of Photo Energy Materials
    1.4.Perovskite Materials
3）">        1.4.1.Inorganic Oxide Perovskites（AMO₃）
        1.4.2.Halide Perovskites
            1.4.2.1.Alkali-Halide Perovskites
            1.4.2.2.Organo-Metal Halide Perovskites（OMHP）
    1.5.Poly Lactic Acid
    1.6.The Piezoelectric Effect
    1.7.Photovoltaic and Ferro/Piezo-electric Responses of Perovskite Materials
    1.8.Mechanism of ferroelectric charge carrier transport in halide perovskites
    1.9.From Crystalline Silicon to Piezoelectric-Perovskite Integrated Devices
    1.10.Ultrasonic Assisted Solution Deposition（UVPT）
    1.11.Conclusion
2 NANOFIBER,SNO₂ NANOPARTICLE,MESOPOROUS PLLA/PVDF/SNO₂ NF COMPOSITE,MAPBI3 FILM AND MAPBI3/PLLA/PVDF/SNO₂ NF DEVICE">2.SYNTHESIS OF SNO₂ NANOFIBER,SNO₂ NANOPARTICLE,MESOPOROUS PLLA/PVDF/SNO₂ NF COMPOSITE,MAPBI3 FILM AND MAPBI3/PLLA/PVDF/SNO₂ NF DEVICE
    2.1.Introduction
    2.2.Experimental Section
        2.2.1.Materials and Chemicals
        2.2.2.Material Characterization
    2.3.Tin（iv）Oxide Thin Film Membrane
2 Nanofibrous（NF）Mats">        2.3.1.Synthesis of SnO₂ Nanofibrous（NF）Mats
2 Nanofiber Membranes">        2.3.2.Synthesis of SnO₂ Nanofiber Membranes
2 Nanoparticle（NP）Layer Fabrication">        2.3.3.SnO₂ Nanoparticle（NP）Layer Fabrication
2 Structural Analysis">    2.4.SnO₂ Structural Analysis
2 NF Composite">    2.5.Hybrid PLLA/PVDF/SnO₂ NF Composite
        2.5.1.Preparation of the Composite
    2.6.The Structure of PPS-Co Composite
2 nanofiber composite">        2.6.1.Structural Analysis of PLLA/PVDF/SnO₂ nanofiber composite
    2.7.Mechanism/Effect of Interaction of PVDF and Vertical Ultrasonic Vibrations
3 perovskite Layer">    2.8.MAPbI₃ perovskite Layer
3">        2.8.1.Preparation of MAPbI3

        2.8.2.Structure of the MAPbI₃ Layer
    2.9.Temperature Variations During UVPT
2 THIN-FILM DEVICES">3.PIEZOELECTRIC PROPERTIES OF PLA/PVDF/SNO₂ THIN-FILM DEVICES
    3.1.Introduction
    3.2.Evaluation of the Device Performance
        3.2.1.Device fabrication
        3.2.2.Device Characterization
    3.3.Discussion of the Mechano-electrical Harvesting
        3.3.1 Device Stability
2 Nanoparticle film">    3.4.Effect of SnO₂ Nanoparticle film
3">    3.5.Performance of PPS-Co and PVDF Devices without MAPbI₃

    3.6.Resistivity of the Devices
    3.7.Determining the Piezoelectric Strain Constants
    3.8.Space-Charge Accumulation
    3.9.Conclusion
4.CONCLUSION LIMITATIONS OF THE PROJECT AS A PROSPECTIVE FOR FURTHER RESEARCH
5.REFERENCES
LIST OF PUBLICATIONS
ACKNOWLEDGEMENT
APPENDIX


【參考文獻(xiàn)】：
期刊論文
[1]Piezotronics and piezo-phototronics: fundamentals and applications[J]. ZhongLin Wang,Wenzhuo Wu.  National Science Review. 2014(01)



本文編號(hào)：3005019

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