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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 陳浩銘(Hao-Ming Chen) | |
| dc.contributor.author | Tzu-Chi Chu | en |
| dc.contributor.author | 朱子齊 | zh_TW |
| dc.date.accessioned | 2021-06-17T08:08:35Z | - |
| dc.date.available | 2019-08-20 | |
| dc.date.copyright | 2019-08-20 | |
| dc.date.issued | 2019 | |
| dc.date.submitted | 2019-08-16 | |
| dc.identifier.citation | 1. https://en.wikipedia.org/wiki/P–n_junction#/media/File:Pn-junction-equilibrium.png.
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/73713 | - |
| dc.description.abstract | 鈣鈦礦太陽能電池商業化最大的問題點，即是高效率的電池元件都需要使用毒性極高的鉛鈣鈦礦。相對於此，錫鈣鈦礦有相對低的毒性並且其能隙以太陽能電池吸光層而言幾乎理想，是目前最有機會替代鉛鈣鈦礦的材料。但不幸的是，除了效率上不及鉛鈣鈦礦以外，錫鈣鈦礦更有嚴重的穩定性問題。
為了解決這些問題，我們使用全新的二維銨鹽製備混合二維結構與三維結構之錫鈣鈦礦電池。由我們的分析結果發現，這樣的結構組成有非常多的優勢，除了能提升薄膜品質，亦能提升載子生命週期以及降低陷阱密度。另外我們也發現混入低能隙的三維鈣鈦礦反而會讓元件電壓上升的有趣現象。經過這些調整後，我們成功地製備出非常穩定且高效率的元件。此元件相比純三維或甚至是純二維錫鈣鈦礦元件，都有更好的表現。此報告不僅呈現了一個表現較好的全新二維錫鈣鈦，更展現了以二維結構為主體之二維三維混和結構系統的潛力。 | zh_TW |
| dc.description.abstract | Toxicity of Pb used in high performance devices is the biggest hurdle for commercialization of perovskite solar cells (PSCs). Sn perovskite, which has low toxicity and nearly ideal band gap, is the most hopeful substitute for Pb perovskite. But unfortunately, Sn PSCs suffers from underwhelming efficiency and severe stability issue.
To solve these problems, we utilized a brand new 2D component (TEA) to fabricate 2D mix 3D composition Sn perovskite solar cell. From our results, we realized these compositions have many beneficial effects, such as better film quality, better carrier lifetime, lower trap density to solar cell performance and stability. We also found out that mixing the lower band gap 3D perovskite to 2D perovskite surprisingly would yield higher Voc. After these arrangements, we were able to make Sn perovskite solar cell with good efficiency, and much better stability compared to conventional 3D Sn perovskite solar cell or even pure 2D Sn perovskite. The report not only demonstrate a new type of 2D Sn perovskite that has better performance, but also shows the potential of 2D dominant 2D mix 3D composition. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-17T08:08:35Z (GMT). No. of bitstreams: 1 ntu-108-R06223134-1.pdf: 5253618 bytes, checksum: 0309df67d97e52d4b9074f0c74b08113 (MD5) Previous issue date: 2019 | en |
| dc.description.tableofcontents | 中文摘要 i
Abstract ii Table of contents iii List of figures vi List of tables x Chapter 1 1 Background 1 1.1 Solar cell 1 1.1.1 P-N junction 2 1.1.2 I-V curve 3 1.1.3 Key parameters evaluating solar cell performance 4 1.2 Perovskite solar cell 7 1.2.1 Structure and properties of perovskite 8 1.2.2 Literature review of perovskite solar cell 10 1.2.3 Major problems of perovskite solar cell 11 1.3 Sn perovskite solar cell 13 1.3.1 Literature review of Sn perovskite solar cell 13 1.3.2 2D Sn perovskite solar cell 14 1.4 Motivation 18 Chapter 2 19 Principles of Analytical Techniques & Details of Experiment 19 2.1 Principles of analytical techniques 19 2.1.1 Scanning electron microscopy (SEM) 19 2.1.2 X-ray diffraction (XRD) 21 2.1.3 I-V measurement of perovskite solar cells 22 2.1.4 Time-resolved photoluminescence (TRPL) 23 2.1.5 Ultraviolet-visible absorption spectroscopy (UV/Vis) 23 2.2 Experimental method 25 2.2.1 Materials 25 2.2.2 Device fabrication 25 2.2.3 Measurements 28 Chapter 3 30 Results and Discussion 30 3.1 An overview of main stream Sn PSCs 30 3.1.1 Universal effect of Br mixing 30 3.1.2 Morphology of perovskite films 33 3.1.3 Evaluation of performance and stability 36 3.2 2D + 3D perovskite with new 2D component 40 3.2.1 Motivation of using TEA and film characterization 40 3.2.2 Parameters tuning for best performance 44 3.2.3 Performance evaluation of optimized device. 50 3.3 Deep study of different n=2 : 3D ratio 52 3.3.1 Morphology and XRD change of perovskite films. 52 3.3.2 Performance and related analysis 56 3.3.3 Investigating origin of higher Voc 64 Chapter 4 70 Conclusion 70 References 71 | |
| dc.language.iso | en | |
| dc.subject | 無鉛鈣鈦礦太陽能電池 | zh_TW |
| dc.subject | 鈣鈦礦太陽能電池 | zh_TW |
| dc.subject | 二維鈣鈦礦 | zh_TW |
| dc.subject | 2D perovskite | en |
| dc.subject | Lead-Free Perovskite Solar Cell | en |
| dc.subject | Perovskite Solar Cell | en |
| dc.title | 使用全新二維銨鹽之二維混三維無鉛鈣鈦礦太陽能電池 | zh_TW |
| dc.title | Lead-Free Perovskite Solar Cell with 2D mix 3D Composition and Brand New 2D Component | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 107-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 周必泰,邱靜雯,張源杰 | |
| dc.subject.keyword | 鈣鈦礦太陽能電池,無鉛鈣鈦礦太陽能電池,二維鈣鈦礦, | zh_TW |
| dc.subject.keyword | Perovskite Solar Cell,Lead-Free Perovskite Solar Cell,2D perovskite, | en |
| dc.relation.page | 77 | |
| dc.identifier.doi | 10.6342/NTU201903924 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2019-08-17 | |
| dc.contributor.author-college | 理學院 | zh_TW |
| dc.contributor.author-dept | 化學研究所 | zh_TW |
| 顯示於系所單位： | 化學系 | |
文件中的檔案：
| 檔案 | 大小 | 格式 | |
|---|---|---|---|
| ntu-108-1.pdf 未授權公開取用 | 5.13 MB | Adobe PDF |
系統中的文件，除了特別指名其著作權條款之外，均受到著作權保護，並且保留所有的權利。