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  • 學位論文

鈣鈦礦太陽能電池穩定性及其遲滯現象的研究

Investigation on the stability and the hysteresis effect of Perovskite Solar Cells

指導教授 : 吳志毅

摘要


本篇論文研究鈣鈦礦太陽能電池(Perovskite Solar Cells,PSCs)穩定性及其遲滯現象。為了執行這項研究,溫度和穩定性的量測系統(temperature and stability measurement system,TLSM-System)已設置並校正完成,這些設置與校正將在第三部分解釋,接續在引言的元件測試(Device Under Test ,DUT)部分之後。所有的研究當中,探討以下幾種鈣鈦礦太陽能電池:玻璃基板/ ITO / TiO2 / 鈣鈦礦/ NPB + MoO3 ,或 Spiro / Gold。第四部份涵蓋PSCs在真空下的行為,真空是為了確保系統當中僅有電荷傳輸、光強度和溫度可操作,這三項因素時常出現在實際的太陽能電池應用當中。在固定輸出功率與光強、恆溫的情況下,來探討電洞傳輸層(hole-transporting layers ,HTL)、NPB和Spiro的行為。為了充分了解他們的行為,NPBs和Spiro在不同溫度、黑暗與照光環境下的載子傳輸率也被探討,SEM和XRD也作為量測工具。第五部份討論PSBs在不同大氣環境下的穩定度。因此,PCBs的固定輸出功率和J-V曲線於真空、氮氣和大氣下給予固定光源在室溫下量測。這些測試也套用在兩種不同的HTL。第六部份,探討PCBs在不同溫度下的遲滯效應,這部份也與NPB和Spiro的PCBs相互比較

並列摘要


In this thesis, the stability and the hysteresis effect of perovskite solar cells (PSCs) are investigated. In order to perform this research, a temperature and stability measurement system (TLSM-System) has been set up and calibrated. The setup and calibration of the measurement system and the measurement system itself will be explained in the third part of this thesis, after the Introduction and the Device Under Test (DUT) description. For all the investigations, perovskite solar cells of the following structures were used: Glass-substrate / ITO / TiO2 / Perovskite / NPB + MoO3 or Spiro / Gold Part four contains the behavior of PSCs in vacuum. The tests are done in vacuum to ensure only the effects of charge transport, light intensity and temperature are present. These three influences are always present in every real application of solar cells. The behavior of two different hole-transporting layers (HTL), NPB and Spiro, are investigated in terms of constant power output, light intensity behavior and temperature behavior. For a better understanding of that behavior, the carrier mobility of NPB and Spiro at different temperatures as well as in dark and illuminated conditions was measured. SEM and XRD measurement were also used for the investigation. The fifth part discusses the stability of PSCs in different atmospheres. Therefore, the constant power output and the J-V-Curves of PSCs in vacuum, nitrogen and air are measured under constant illumination at room temperature. These tests are also done for the two different HTL. In Part number six, the temperature dependence of the hysteresis effect in PSCs is investigated. NPB- and Spiro-PSCs are also compared in this part.

參考文獻


[1] https://de.wikipedia.org/wiki/UN-Klimakonferenz_in_Paris_2015
[2] UNITED NATIONS DEVELOPMENT PROGRAMME AND WORLD ENERGY COUNCIL. World Energy Assessment, Energy and the challenge of sustainability, September 2000. Retrieved 17 January 2017, p.163
[3] RÜHLE, Sven. Tabulated values of the Shockley–Queisser limit for single junction solar cells. Solar Energy, 2016, 130. Jg., S. 139-147.
[4] Ossila Ltd,. Product Information: NPB (NPD) [online] 2018 [Accessed 06/09/2018]. Available from: https://www.ossila.com/products/npb
[5] Ossila Ltd,. Product Information: Spiro-OMeTAD (Spiro-MeOTAD) [online] 2018 [Accessed 06/09/2018]. Available from: https://www.ossila.com/products/spiro-ometad

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