穩定高效之漸變鈣鈦礦合金薄膜太陽能電池

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鄭凱仁(Kai-Jen Cheng) 查詢紙本館藏

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光電科學與工程學系

論文名稱

穩定高效之漸變鈣鈦礦合金薄膜太陽能電池
(High-stability and efficiency graded perovskite alloy thin-film based solar cells)

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至系統瀏覽論文 (2026-9-1以後開放)

摘要(中)

本論文主要在研究沉積於P3CT-Na/ITO/glass/基板上的鈣鈦礦合金薄膜吸光層MAxCs1-xPb(Ix Br1-x)3，利用原子力顯微鏡(AFM)、吸收度光譜、X光繞射儀(XRD)圖譜、光激發螢光光譜以及拉曼散射光譜分析鈣鈦礦合金薄膜的表面形貌、結晶性及光激發態特徵。以疏水性的P3CT-Na當作電洞傳輸層，並以MA0.83Cs0.17Pb(I0.83Br0.17)3鈣鈦礦合金薄膜當作吸光層製作而成的太陽能電池具有穩定且高效的光伏特性表現，太陽能電池的高填充因子(FF)使其最高功率轉換效率(PCE)可達15.93 %，並藉由低掠角XRD圖譜、光激發螢光光譜及拉曼散射光譜證實MA0.83Cs0.17Pb(I0.83Br0.17)3鈣鈦礦合金薄膜結構為材料組成分布漸變的薄膜。除此之外，從時間相關之最大功率密度量測以及元件的光伏表現長期量測追蹤下得知，缺陷密度較低的MA0.83Cs0.17Pb(I0.83Br0.17)3鈣鈦礦太陽能電池不僅在短時間量測下具有穩定的最大輸出功率密度，且在160天長期的量測追蹤下，未封裝的元件受環境溫度(22°C)及濕度(30%-40%)影響下，PCE仍保有10.48 %。

摘要(英)

In this thesis, the MAxCs1-xPb(IxBr1-x)3 perovskite alloy thin films deposited on top of the P3CT-Na/ITO/glass substrates have been studied. The surface morphologies, crystallinities and excitonic characteristics of MAxCs1-xPb(IxBr1-x)3 thin films were measured by using the atomic-force microscopy (AFM), absorbance spectrophotometry, X-ray diffractometer (XRD), photoluminescence (PL) spectrophotometry and Raman scattering spectrophotometry. The best photovoltaic performance of the P3CT-Na based MAxCs1-xPb(IxBr1-x)3 solar cells can be achieved when the x value is 0.83. The 79.3% high fill factor (FF) can be referred to the highest power conversion efficiency (PCE) of 15.93%. It is confirmed that the MA0.83Cs0.17Pb(I0.83Br0.17)3 alloy thin film is a graded perovskite alloy thin film by using grazing-incident XRD patterns, PL spectra and Raman spectra.
Besides, the experimental results show that MA0.83Cs0.17Pb(I0.83Br0.17)3 solar cell with a lower defect density has the more stable and the highest maximum-power density. And, the PCE of the optimal MA0.83Cs0.17Pb(I0.83Br0.17)3 solar cells only decreases to 10.48 % without additional encapsulations after 160 days. It is noted that the solar cells were stored in a dry box under a moderate environment (22°C, 30%-40% relative humidity).

關鍵字(中)

★ 鈣鈦礦太陽能電池
★ 漸變膜
★ 合金

關鍵字(英)

★ perovskite solar cells
★ graded thin film
★ alloy

論文目次

摘要 I
ABSTRACT II
致謝 III
目錄 V
第一章緒論 1
1. 1 前言 1
1. 2 太陽能電池發展 3
1. 3 太陽能電池的種類 4
1. 3. 1 矽太陽能電池 5
1. 3. 2 化合物無機半導體薄膜太陽能電池 5
1. 3. 3 有機材料電池 7
1. 4 研究動機 10
第二章鈣鈦礦薄膜太陽能電池發展與文獻回顧 13
2. 1 有機-無機鈣鈦礦晶體材料結構 13
2. 2 鈣鈦礦太陽能電池結構 13
2. 2. 1 正式結構 vs.反式結構 14
2. 3 反式鈣鈦礦太陽能電池的工作機制 15
2. 4 鈣鈦礦太陽能電池的起源發展 16
2. 4. 1 鈣鈦礦敏化電池 16
2. 4. 2 反式鈣鈦礦太陽能電池 17
2. 4. 3 合金型鈣鈦礦太陽能電池 18
第三章實驗方法 22
3. 1 實驗藥品與溶液製備 22
3. 1. 1 實驗藥品 22
3. 1. 2 溶液製備 23
3. 2 實驗設備 26
3. 2. 1 手套箱(Glove Box) 26
3. 2. 2 旋轉塗佈機(Spin Coater) 26
3. 2. 3 熱蒸發鍍膜系統(Thermal Evaporation Deposition) 27
3. 3 量測儀器 28
3. 3. 1 太陽光模擬器 (DRIEL LSS-7120 Solar Cimulator) 28
3. 3. 2 分光光譜儀 (UV-Visible-NIR Spectrophotometer) 29
3. 3. 3 光激發光譜儀 (Photoluminescence Spectroscopy, PL) 30
3. 3. 4 拉曼散射光譜儀 (Raman Spectra) 31
3. 3. 5 X射線繞射儀 (X-ray diffraction) 32
3. 3. 6 原子力顯微鏡 (Atomic Force Microscopy, AFM) 34
3. 3. 7 掃描式電子顯微鏡 35
3. 4 實驗流程 36
3. 4. 1 清洗ITO pattern玻璃基板 37
3. 4. 2 UV-Ozone treatment 37
3. 4. 3 Spin-coating P3CT-Na HTL 38
3. 4. 4 Spin-coating 鈣鈦礦吸收層 39
3. 4. 5 Spin-coating PCBM ETL 40
3. 4. 6 Spin-coating BCP 修飾層 40
3. 4. 7 刮出對電極 41
3. 4. 8 熱蒸鍍銀電極 41
第四章鈣鈦礦薄膜的製程參數優化 42
4. 1 反溶劑容量對鈣鈦礦太陽能電池的影響 43
4. 1. 1 不同反溶劑使用容量於MA0.8Cs0.2Pb(I0.8Br0.2)3薄膜之AFM分析 43
4. 1. 2 改變反溶劑使用容量於鈣鈦礦太陽能電池元件之J-V curve 特性表現分析 45
4. 2 鈣鈦礦薄膜製程之旋塗轉速對太陽能電池元件的影響 46
4. 2. 1 不同旋塗轉速於MA0.8Cs0.2Pb(I0.8Br0.2)3薄膜之AFM分析 46
4. 2. 2 鈣鈦礦薄膜之旋塗轉速對太陽能電池元件影響之J-V curve 特性表現分析 48
4. 2. 3 不同旋塗轉速於MA0.8Cs0.2Pb(I0.8Br0.2)3薄膜之SEM分析 50
4. 3 鈣鈦礦薄膜之後處理加熱溫度對太陽能電池元件之影響 51
4. 3. 1 不同退火溫度的MA0.8Cs0.2Pb(I0.8Br0.2)3薄膜之AFM分析 51
4. 3. 2 鈣鈦礦薄膜之退火溫度對太陽能電池元件影響之J-V curve 特性表現分析 53
4. 4 章節小結 54
第五章鈣鈦礦太陽能電池穩定性優化 55
5. 1 不同X值之MAXCS1-XPB(IXBR1-X)3鈣鈦礦太陽能電池的J-V CURVE 特性表現分析 56
5. 2 不同X值之MAXCS1-XPB(IXBR1-X)3薄膜的AFM分析 57
5. 3 不同X值之MAXCS1-XPB(IXBR1-X)3薄膜的XRD分析 58
5. 4 不同X值之MAXCS1-XPB(IXBR1-X)3薄膜的穿透光譜分析 66
5. 5 不同X值之MAXCS1-XPB(IXBR1-X)3薄膜的PL光譜分析 68
5. 6 不同X值之MAXCS1-XPB(IXBR1-X)3薄膜的RAMAN分析 71
5. 7 章節小結 72
第六章鈣鈦礦太陽能電池穩定性量測分析 74
6. 1 鈣鈦礦太陽能電池之TIME-DEPENDENT MAXIMUM POWER DENSITY (MPD)曲線分析 74
6. 2 鈣鈦礦太陽能電池之長期穩定性分析 78
第七章結論 84
參考文獻 85

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指導教授

陳昇暉張勝雄(Sheng-Hui Chen Sheng-Hsiung Chang)

審核日期

2021-7-20

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