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。

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%.

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