利用鈣/鈦複合物作為 鈣鈦礦太陽能電池介孔層之研究

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姓名

張哲嘉(Zhe-Jia Zhang) 查詢紙本館藏

畢業系所

能源工程研究所

論文名稱

利用鈣/鈦複合物作為鈣鈦礦太陽能電池介孔層之研究
(The Study of Perovskite Solar Cells by Using Ca/Ti Compounds as Mesoporous Layer)

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摘要(中)

本篇論文主要以新式鈣鈦礦材料作為鈣鈦礦太陽能電池介孔層之研究，本實
驗室利用市售P90二氧化鈦作為介孔層，已能穩定製作出結構為FTO/二氧化鈦(TiO2)
緻密層/二氧化鈦(TiO2)介孔層/CH3NH3PbI3主動層/Spiro-OMeTAD 電洞傳輸層/Ag銀
電極的標準電池，各效率數據為Jsc=19.4(mA/cm2)、Voc=1.01(V)、FF=0.72、
PCE=14.14%。
特別思考到當初人類發明太陽能電池的本意就是為免於能源危機，將地球看待
為與我們相同的個體，期許能與環境友善共存；因此為了一表我們對於環保綠能、
永續經營的理念，在新式介孔層材料則利用廢棄蛋殼為碳酸鈣主要來源，添加四氯
化鈦合成出Ca/Ti複合物，應用於鈣鈦礦太陽能電池介孔層。
研究初期，新式介孔層效率不及標準電池的一半，透過調整Ca/Ti複合物之濃度、
厚度以及優化元件間各層間的製程來提升效能，得知Ca/Ti複合物在經過500oC高溫燒
結後，會轉為10至50奈米的條狀結構；綜合多樣分析結果，發現Ca/Ti複合物的導帶
能階間更匹配、條狀結構使堆疊更為緻密，讓電子傳遞更正向以及減少載子再複合，
進而提升短路電流及整體電池效能。
以Ca/Ti複合物取代市售P90二氧化鈦製備為鈣鈦礦太陽能電池，帄均效率為
17.16% ± 0.62，最佳效率為18.12% (Jsc=23.8(mA/cm2)、Voc=1.05(V)、FF=0.72)，在
外部量子效率方面，吸光波長從400到730nm皆在80%以上。

摘要(英)

In this thesis, we propose a new type perovskite material as mesoporous layer for
Perovskite Solar Cells. In the beginning we employ ready-made P90-TiO2 as a
mesoporous layer, and fabricated standard Perovskite Solar Cells as structure FTO / TiO2
compact layer / TiO2 mesoporous layer / CH3NH3PbI3 active layer / Spiro-OMeTAD hole
transport layer / silver in both anode and cathode. This cell has Jsc=19.4(mA/cm2 、
Voc=1.01(V)、FF=0.72 and PCE=14.14%.
The purpose of solar cells is preventing energy crisis, and we regard earth as our
treasure ,except that we can coexist with environment friendly. To achieve the purpose of
green energy and sustainable development, we use egg shell as the CaCO3 material to
fabricate the mesoporous layer. Besides, we add the TiCl4 in the mesoporous layer to
synthesis Ca/Ti compounds.
According to the results of analysis, we find the bandgap of Ca/Ti compounds can
be more harmonious, the strip structure become more ordered which can prevent the
carrier from recombination, and improve the Jsc and the power conversion efficiency.
Ca/Ti compounds substitute ready-made P90-TiO2 as mesoporous layer for
Perovskite Solar Cells, the average efficiency is 17.16% ± 0.62,the best efficiency is
18.12% (Jsc = 23.8 (mA / cm2), Voc = 1.05 (V), FF = 0.72), the absorption wavelength of
external quantum efficiency from 400 to 730nm are all more than 80%.

關鍵字(中)

★ 鈣鈦礦
★ 鈣鈦複合物
★ 介孔層
★ 有機太陽能電池

關鍵字(英)

★ perovskite
★ perovskite solar cells
★ Ca/Ti compounds
★ mesoporous
★ organic
★ CaTiO3

論文目次

摘要 I
Abstract II
誌謝 III
圖目錄 VIII
表目錄 XIII
第一章緒論 1
1-1 前言 1
1-2 鈣鈦礦太陽能電池(Perovskite solar cells) 3
1-2-1 鈣鈦礦太陽能電池結構的起源 4
1-2-2 鈣鈦礦太陽能電池介孔層之材料應用與結構改善 8
1-2-3 鈣鈦礦太陽能電池主動層之材料應用與結構改善 24
1-2-4 鈣鈦礦太陽能電池其他面向之研究探討 34
第二章實驗方法 39
2-1 實驗藥品及儀器 39
2-1-1 本實驗所使用藥品如下清單 39
2-1-2 本實驗所使用儀器如下清單 40
2-2 鈣鈦礦太陽能電池材料製備與元件製作 42
2-2-1 FTO 玻璃清潔 42
2-2-2 FTO 玻璃基板UV-Ozone 表面處理 42
2-2-3 二氧化鈦(TiO2)緻密層配製 42
2-2-4 二氧化鈦(TiO2)緻密層塗佈 43
2-2-5 二氧化鈦(TiO2)介孔層配製 43
2-2-6 二氧化鈦(P90)多孔隙層塗佈 43
2-2-7 蛋殼(CaCO3)洗淨純化 44
2-2-8 Ca/Ti 複合物奈米顆粒介孔層合成 44
2-2-9 Ca/Ti 複合物奈米顆粒塗佈 45
2-2-10 甲基碘胺(CH3NH3I)合成 45
2-2-11 鈣鈦礦(CH3NH3PbI3)溶液配製 46
2-2-12 鈣鈦礦層(CH3NH3PbI3)塗佈 46
2-2-13 電洞傳輸層Spiro-OMeTAD 配製 47
2-2-14 電洞傳輸層Spiro-OMeTAD 塗佈 47
2-2-15 蒸鍍銀電極 47
第三章結果與討論 50
3-1 合成之材料分析與沉積結果 50
3-1-1 FTO 導電玻璃電性量測與形貌觀測 50
3-1-2 二氧化鈦(TiO2)緻密層合成結果 50
3-1-3 Mesoporous layer 介孔層合成結果 52
3-1-4 Mesoporous layer 介孔層沉積結果 55
3-1-5 主動層(CH3NH3PbI3)合成結果 55
3-1-6 主動層(CH3NH3PbI3)沉積結果 57
3-1-7 電洞傳輸層Spiro-OMeTAD 沉積結果 57
3-2 Ca/Ti 複合物應用於太陽能電池元件之深度探討 59
3-2-1 Ca/Ti 複合物作為電子傳輸層之濃度調整 59
3-2-2 Ca/Ti 複合物作為電子傳輸層之厚度調整 61
3-2-3 Ca/Ti 複合物作為電子傳輸層之優勢 64
3-2-4 Ca/Ti 複合物與P90 二氧化鈦應用於太陽能電池之元件效能 68
第四章結論 71
第五章文獻回顧 72

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指導教授

詹佳樺(Chia-Hua Chan)

審核日期

2017-7-26

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