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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/72395

    Title: 以CaTiO3應用於鈣鈦礦太陽能電池電子傳輸層之研究;The Study of Perovskite Solar Cells by Using Calcium Titanate as Electrical Transfer Layer
    Authors: 林育葳;Lin,Yu-Wei
    Contributors: 機械工程學系
    Keywords: 鈣鈦礦;太陽能電池;碳酸鈣;Perovskite;Solar cells;Calcium carbonate
    Date: 2016-07-18
    Issue Date: 2016-10-13 14:52:03 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 本篇論文係利用 CaTiO3材料作為鈣鈦礦太陽能電池之電子傳輸
    層之研究,本實驗室技術已穩定製作出結構為 FTO/二氧化鈦(TiO2)
    緻密層/二氧化鈦(TiO2)多孔隙層/CH3NH3PbI3主動層/Spiro-OMeTAD 電洞傳輸層/銀電極 Ag 作為標準片,此標準電池有著 Jsc=18.3mA/cm2,
    -二氧化鈦多孔隙層當中添加鈣元素來改善主動層 CH3NH3PbI3的成
    氯化鈦(TiCl4)兩種材料作為反應成功合成出 CaTiO3/TiO2奈米顆粒。
    實際將 CaTiO3/TiO2奈米顆粒應用在鈣鈦礦太陽能電池之多孔隙 層製作出鈣鈦礦太陽能電池有著 Jsc=13.7mA/cm2,Voc=0.99V,
    爾後為了改善使用 CaTiO3/TiO2奈米顆粒作為多孔隙層較低的短
    率,使得主動層 CH3NH3PbI3不輕易接觸到 FTO 玻璃形成短路,而增
    加覆蓋率使得多孔隙層與主動層 CH3NH3PbI3接觸表面積增加,電子 有更佳的遷移率使得電流由原先的13.7 mA/cm2提升至16.2 mA/cm2,
    光電轉換效率更是由8.4%提升至 10.2%。;This study applies CaTiO3 as a mesoporous layer for Perovskite Solar Cells. We fabricated standard Perovskite Solar Cells as structure FTO/TiO2 compact layer/TiO2 mesoporous layer/ CH3NH3PbI3 active layer/Spiro-OMeTAD hole transfer layer/silver in both anode and cathode. This cell has Jsc=18.3mA/cm2, Voc=0.97V, FF=0.68 and PCE=12.1%。 Calcium is the 5th most abundant element in the world. We used calcium carbonate react with titanium dioxide and synthesized nano- CaTiO3/TiO2 powder as electrical transfer layer to enhance the crystallization of active layer (CH3NH3PbI3) and the turn-on voltage. Moreover, using nano-CaTiO3/TiO2 powder as a mesoporous layer of Perovskite Solar Cells and it performs Jsc=13.7mA/cm2, Voc=0.99V, FF=0.62 and PCE=8.4%.
    To extract the short-circuit current, we improve the coverage of mesoporous layer on FTO surface via two step spin-coating method. The mesoporous layer could avoid the active layer directly contacting FTO glass, which would result in short-circuit condition. In addition, the mobility of electrons would be enhanced due to the significant coverage of mesoporous layer. Which also increase the contact area between active layer and mesoporous layer. Consequently, increased contact area
    enhances the short-circuit current(Jsc) from 13.7 mA/cm2 to 16.2 mA/cm2 and also improves power conversion efficiency from 8.4% to 10.2%.
    Appears in Collections:[機械工程研究所] 博碩士論文

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