本文選題：介觀太陽能電池 + 對電極　； 參考：《華中科技大學》2015年碩士論文

【摘要】：介觀太陽能電池因具有獨特的介孔結構而得名。這種介孔結構為器件提供了大比表面積,使其能夠吸收更多的光子,進而獲得更大的光電流。目前,介觀太陽能電池已公證的最高光電轉化效率可達20.1%。不僅如此,該種太陽能電池還具有制作工藝簡單、材料價格低廉等優(yōu)點,是太陽能電池領域有力的競爭者之一。對電極是介觀太陽能電池不可或缺的一部分,其在器件中的功能是收集還原氧化還原電對的電子或收集空穴傳輸材料中的空穴。因此,對電極需要具有良好的導電性和催化活性。目前,介觀太陽能電池中常用Pt、Au等稀有金屬,且一般通過真空蒸鍍等手段制成對電極,因此其材料及制作成本均相對昂貴。本課題組使用的可印刷碳電極不僅價格低廉而且制作工藝簡單,大大降低了器件的制作成本�；谠摲N碳電極,本論文主要研究了碳電極中的主要成分(即石墨、碳黑)對不同類型介觀太陽能電池光電轉化效率的影響。具體研究內容包括:首先,分別研究不同尺寸石墨對液態(tài)染料敏化太陽能電池以及介觀鈣鈦礦電池的影響,最終基于8?m石墨的對電極在兩種器件中分別獲得了6.11%和11.56%的光電轉化效率;其次,采用快速混合法制成了50 nm的聚苯胺炭化纖維,并將其與石墨混合制成對電極應用在全印刷介觀鈣鈦礦電池中,獲得了11.84%的光電轉化效率。
[Abstract]:Mesoscopic solar cells are named for their unique mesoporous structure. This mesoporous structure provides the device with large specific surface area, which enables it to absorb more photons and obtain larger photocurrent. At present, the highest photovoltaic conversion efficiency of mesoscopic solar cells can reach 20.1g. Moreover, the solar cell is one of the most powerful competitors in the field of solar cell because of its simple manufacturing process and low cost of materials. Pair electrode is an indispensable part of mesoscopic solar cell. Its function in the device is to collect the electrons of the reductive redox pair or the hole in the hole transport material. Therefore, the electrode should have good conductivity and catalytic activity. At present, in the mesoscopic solar cells, the rare metals such as PTO au are commonly used, and the opposite electrodes are usually made by vacuum evaporation. Therefore, the cost of materials and fabrication is relatively expensive. The printable carbon electrode used by our group is not only cheap, but also simple in fabrication process, which greatly reduces the cost of device fabrication. Based on this kind of carbon electrode, the effect of the main components of carbon electrode (i.e. graphite, carbon black) on the photoelectric conversion efficiency of different types of mesoscopic solar cells is studied in this paper. The main contents are as follows: firstly, the effects of graphite on liquid dye sensitized solar cells and mesoscopic perovskite cells were studied. Finally, the optoelectronic conversion efficiency of the opposite electrode based on 8m graphite was 6.11% and 11.56% respectively in two kinds of devices. Secondly, the 50 nm Polyaniline carbonized fiber was prepared by rapid mixing method. The optoelectronic conversion efficiency was 11.84% when the counter electrode was mixed with graphite to be used in the whole printed mesoscopic perovskite cell.
【學位授予單位】：華中科技大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TM914.4

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