在本研究中主要探討將碳奈米材料應用於鈣鈦礦太陽能電池對其效能的影響。在此，主要將碳奈米管材料添加於鈣鈦礦吸光層，以及使用混合不同奈米碳管比例的導電碳漿製作成碳電極取代原本電洞傳輸層與金電極。當鈣鈦礦層中添加0.06 mg的碳奈米管並同時以金做為電極時，其平均效率為10.2 %，最高效率可達12.4 %。由X-光繞射圖譜分析可知：添加碳奈米管於鈣鈦礦層時，鈣鈦礦的平均晶粒由53 nm下降至43 nm，且由交流阻抗頻譜分析結果中亦發現載子發生再結合阻力變小，導致太陽能電池短路電流密度值下降，以致於整體的轉換效率低於未添加碳奈米管的鈣鈦礦太陽能電池 (平均效率：13.1 %，最高效率：15.8 %)。此外，亦探討將不同比例碳奈米管添加至導電碳漿中，再以網版印刷法製備碳電極。由四點探針分析結果可知：當添加0.5 wt%碳奈米管至導電碳漿後，除了降低碳電極的片電阻值，由交流阻抗頻譜分析結果中得知載子的傳輸阻力變小、再結合阻力上升，使得填充因子增加，平均效率由未添加的5.88 %提升至6.41 %，而最高效率達8.06 %。

In this study, we mainly discuss the effect of applying carbon nanomaterials to perovskite solar cells (PSCs) on their performance. Herein, the carbon nanotubes were added to the perovskite light-harvesting materials. In addition, a conductive carbon paste mixed with different ratio of carbon nanotubes (CNTs) was employed as electrode of PSCs to replace the hole transport materials and gold (Au) electrode. When 0.06 mg carbon nanotubes were added to the perovskite layer and Au was used as the electrode, the average power conversion efficiency (PCE) was 10.2 % and the highest PCE could achieve 12.4 %. According to X-ray diffraction pattern analysis, the average grain size of perovskite reduces from 53 nm to 43 nm when CNTs were added to perovskite layer. In addition, the recombination resistance become small was also found in the results of electrochemical impedance spectroscopy (EIS) analysis to reduce the short current density of PSC. Therefore, the PCE of CNTs added perovskite solar cell was lower than that of the perovskite solar cell without addition of CNTs (average PCE: 13.1%, the highest PCE: 15.8%). We also investigated adding CNTs of different ration to the conductive carbon pate, and then using the blade coating method to prepare carbon electrode. From analysis results of the four-point probe, it could be known that when 0.5 wt% CNTs were added to conductive carbon paste, the sheet resistance of the carbon electrode could be reduced. In addition, according to the result of EIS analysis, improvement of fill factor is attributed to lower transport resistance and higher recombination resistance. The average PCE was improved from 5.88 % to 6.41 % and the highest PCE cloud achieve 8.06 %.

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