臺灣博碩士論文加值系統

在此篇論文中，我們研究了在金屬鈣鈦礦太陽能電池中添加多陽離子的效果. 通過使用X射線衍射（XRD）和掃描電子顯微镜（SEM）分别觀察鈣鈦礦材料中銫離子的不同命題，觀察結構和形態變化. 已經採用瞬態光電壓和光電流測量來獲得載流子壽命和電荷濃度. 用0.15原子比的銫制备的器件在其他器件中表現出最好的性能. 電力轉換效率從10.5%提高到了13.2%.

In this work, we studied the effects of adding mutiple cations in oragnaometal perovskite solar cells. Structural and morphological changes were observed through using X-ray diffraction (XRD) and scanning electron microscopy (SEM) respectively, for different proposition of cesium ions in the perovskite material. Transient photovoltage and photocurrent measurements have been employed to obtain carrier lifetimes and charge concentrations. The device prepared with 0.15 atomic ratio of cesium showed the best performance among the devices others. Power conversion efficiency has been increased from 10.5% to 13.2%.

中文摘要................................................I
Abstract…………………………......…….…....………………………………………….......II
Acknowledgement………………......…….…………………………………………….......III
Contents………………………………….……………….…………………………........……......IV
List of figures.………………………………………...……………...………..……………...VI
CHAPTER-I INTRODUCTION………………….……………………….………….........……1
1.1. Solar spectrum………………………………….......................1
1.2. Addressing the Energy Crisis……………………….………………………...4
1.3. Motivation…………………………………………………………………………….........….7
Chapter-II…………..……………………………………….……………………………............8
2.1. Photovoltages technologies. ……………………………….………………………8
2.2. Silicon solar cell…….……………………………………………….…………………...9
2.3. CdTe and CIGS………………………………...……………………………….....………..10
2.4. Amorphous silicon.…………………………………….…………………...……………..10
2.5. Dye sensitized solar cell & organic solar cell.…..11
2.6. Perovskite Solar Cell (PSC)………………………………………………………..12
2.6.1. Introduction.…………..………………………………....………………....….…12
2.6.2. Timeline of perovskite solar cell………....…………..….12
2.6.3. Rise of perovskite solar cells…………………………......……16
2.6.4. Device architecture… …………………………………………..……….…....17
2.6.5. Physical properties.….…………….…………………………………...……….18
2.6.6. Different fabrication methods.………………….………….……………19
2.6.7. General operation of solar cell…………………………….……...20
2.7. Characteristic of solar cell…………………………………….…….…...21
2.8. Material preparation…..……………………………………..….…………………….27
2.9. Instruments……………………….………………………………..………......…………….28
2.10. Fabrication of perovskite solar cell……….………..……..34
CHAPTER-III…………………………………………………………………..............……………36
3.1. Result and discussion………………………………………...………………………….36
3.2. X-ray diffraction…….……………………………….....…………………………………36
3.3 Field Emission Scanning Electron Microscopy………………..37
3.4. Device characterisation…………………………………….……….……………………39
3.5.Transient photovoltage measurement……………………………………………42
3.6. Transient photocurrent measurement…...……………………….……44
Conclusion…….……………...........………………………………………………………………..50
Reference..............................................51

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