臺灣博碩士論文加值系統

近年來，二維鈣鈦礦 (2D perovskite) 引起了人們的廣泛關注，由於它們與三維鈣鈦礦 (3D perovskite) 相比具有更好的穩定性。本篇論文中，我們通過低壓氣相輔助溶液製程 (LP-VASP)，藉由過度摻雜 PEAI (Phenethylammonium iodide) 來製作二維三維混成鈣鈦礦 (2D/3D hybrid perovskite)，並通過多光子激發螢光掃描顯微鏡 (Multiphoton Excitation Microscope)、光致螢光掃描顯微鏡 (PL mapping)、表面電位掃描顯微鏡 (KPFM) 等儀器，對鈣鈦礦薄膜中的各種 n 值的鈣鈦礦進行空間分析。從穩態 PL 光譜中，鈣鈦礦薄膜表現出不同的特徵峰，對應於不同 n 值的二維鈣鈦礦，表示薄膜中擁有多種的二維鈣鈦礦。結果指出，過度參雜 PEA 鈣鈦礦薄膜具有不同的功函數，與多光子激發螢光掃描、PL mapping 一致。

In this study, we highly doped phenylethylammonium iodide (PEAI) to fabricate a 2D/3D hybrid perovskite. By using low-pressure vapor-assisted solution process (LP-VASP) method, the as-fabricated film exhibits multiple photoluminescence (PL) emission peaks corresponding to 2D perovskite with variant spacing as well as 3D perovskite. We conduct two-photon excitation microscopy and confocal microscopy to identify the spatial distribution of different n value perovskite in the resultant film.

摘要 III
Extended Abstract IV
致謝 XIII
1 第一章 緒論 1
1.1 前言........................................ 1
1.2 太陽能電池的演進................................ 1
1.3 現今太陽能電池................................. 2
1.3.1 第一世代太陽能電池 .......................... 2
1.3.2 第二世代太陽能電池 .......................... 2
1.3.3 第三世代太陽能電池 .......................... 3
1.4 鈣鈦礦太陽能電池................................ 5
1.5 研究動機..................................... 6
2 第二章
文獻回顧 7
2.1 有機無機混成鈣鈦礦發展............................ 7
2.2 氣相沉積鈣鈦礦................................. 12
2.2.1 共蒸鍍沉積法 .............................. 12
2.2.2 SequentialVacuumDeposition...................... 14
2.2.3 蒸氣輔助之溶液製成法 (Vapor-Assisted Solution Process, VASP) . . 15
2.2.4 化學氣相沉積法 (Chemical Vapor Deposition,CVD) . . . . . . . . . 16
2.2.5 低壓化學氣相沉積法 (Low pressure Hybrid Chemical Vapor Deposi-
tion) ................................... 16
2.2.6 低壓化學氣相沉積法 (Low pressure Hybrid Chemical Vapor Deposition) 18
2.3 鈣鈦礦材料.................................... 20
2.3.1 多元混成鈣鈦礦............................. 20
2.3.2 二維鈣鈦礦(2Dperovskite)....................... 23
2.4 非線性光學……………………….28
3 第三章 實驗方法以及分析儀器 31
3.1 實驗儀器與藥品…………..31
3.2 實驗流程 .....................32
3.3 鈣鈦礦材料製作 ………………..33
3.3.1 基板製備................................. 33
3.3.2 鈣鈦礦前驅溶液製備 .......................... 33
3.3.3 低壓氣相沉積鈣鈦礦 .......................... 34
3.4 薄膜製程工作原理................................ 34
3.4.1 真空加熱爐 ............................... 34
3.5 樣品分析..................................... 36
3.5.1 吸收光譜量測(UV-vis) ......................... 36
3.5.2 光致螢光光譜(Photoluminescene,PL) ................ 37
3.5.3 X光繞射分析儀(X-RayDiffraction,XRD) . . . . . . . . . . . . . 37
3.5.4 掃描式電子顯微鏡 (Scanning Electron Microscopic , SEM) . . . . . . 39
3.5.5 低掠角廣角 X 光散射分析儀 (Grazing-Incidence Wide-Angle X-ray
Scattering,GIWAXS) .......................... 40
3.5.6 多光子激發掃描式顯微鏡 (Multiphoton Excitation Microscope) . . . 41
3.5.7 光致螢光影像掃描(PLmapping) ................... 42
3.5.8 原子力顯微鏡(AtomicForceMicroscopy,AFM) . . . . . . . . . . 43
3.5.9 表面電位顯微鏡 ( Kelvin Probe Force Microscopy , KPFM ) . . . . . 44
4 第四章 結果與討論 46
4.1 2D-3Dperovskite................................. 46
4.2 不同PEAI濃度的前驅溶液........................... 48
4.2.1 不同PEAI濃度的前驅溶液:XRD圖譜 ............... 48
4.3 不同反應溫度的鈣鈦礦 ............................. 48
4.3.1 不同反應溫度的鈣鈦礦:螢光與吸收光譜 .............. 48
4.3.2 不同比例的前驅物在 125oC 溫度下的表現:XRD 圖譜 . . . . . . . 52
4.4 PEAI/PbI2=4的鈣鈦礦.............................. 53
4.4.1 PEAI/PbI2=4的鈣鈦礦:螢光與吸收光譜............... 54
4.4.2 PEAI/PbI2=4的鈣鈦礦:XRD圖譜＆GIWAXS圖譜 . . . . . . . . 55
4.4.3 PEAI/PbI2=4鈣鈦礦的SEM影像圖.................. 57
4.5 光學特性分析 .................................. 59
4.5.1 非線性光學分析............................. 59
4.5.2 PLmapping................................ 63
4.6 表面形貌分析 .................................. 65
4.6.1 KPFM分析................................ 65
4.6.2 Adhesion分析 .............................. 67
5 第五章 結論與未來展望 68
6 REFERENCE 69

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