本文選題：染料敏化太陽能電池 + 對電極��； 參考：《山東理工大學(xué)》2015年碩士論文

【摘要】：染料敏化太陽能電池(Dye-sensitized Solar Cells,DSSCs)是一種新型的高效太陽能電池。鉑(Pt)因?yàn)楦叽呋院透邔?dǎo)電性而廣泛應(yīng)用于DSSCs對電極上。但由于Pt價(jià)格昂貴,所以尋找廉價(jià)的非鉑對電極成為近年來的研究熱點(diǎn)。本文制備了多孔氮化碳及其復(fù)合材料,并應(yīng)用于DSSCs對電極上,對其電催化性能進(jìn)行了研究。通過高溫碳化法和軟模板法制備了多種無孔和多孔氮化碳,應(yīng)用于DSSCs對電極中顯示出良好的光電化學(xué)性能。其中以三聚氰胺為原料通過軟模板法制備的多孔氮化碳的光電轉(zhuǎn)換效率最高,可達(dá)2.07%,表明大的比表面積有利于提高氮化碳的電催化性能。利用研磨法制備的氮化碳/導(dǎo)電炭黑復(fù)合材料,顯示出良好的催化活性和優(yōu)良的導(dǎo)電性。其中當(dāng)?shù)寂c導(dǎo)電炭黑以1:7的質(zhì)量比摻雜時(shí),復(fù)合材料具有最優(yōu)的電化學(xué)性能,并得到了4.74%的光電轉(zhuǎn)換效率,達(dá)到相同條件下Pt電極的93.12%。以石墨為原料制備了氧化石墨烯,并利用水熱法將其與氮化碳復(fù)合后制備的氮化碳/石墨烯復(fù)合材料,在光電化學(xué)方面顯示了良好的性能。結(jié)果表明,當(dāng)?shù)寂c石墨烯以3:1的質(zhì)量比復(fù)合時(shí),材料的光電轉(zhuǎn)換效率高達(dá)4.47%,是同等條件下Pt電極的88.17%。利用高溫煅燒法制備了氮化碳/多壁碳管復(fù)合材料,其在電催化方面顯示出良好的活性,并具有優(yōu)良的導(dǎo)電性,通過對其光電測試結(jié)果分析得出,當(dāng)單氰胺與多壁碳管以15:1的質(zhì)量比進(jìn)行復(fù)合時(shí),所得的復(fù)合材料的光電轉(zhuǎn)換效率最高,可達(dá)4.49%,是同等條件下Pt電極的的86.68%。
[Abstract]:Dyestuff sensitized solar cell (Dye-sensitized Solar cells DSSCs) is a new type of highly efficient solar cell. Due to its high catalytic and electrical conductivity, Platinum Ptis widely used in DSSCs pair electrodes. However, due to the high price of Pt, the search for cheap non-platinum pair electrodes has become a hot topic in recent years. In this paper, porous carbon nitride and its composites were prepared and applied to DSSCs pair electrode, and their electrocatalytic properties were studied. Several kinds of porous and porous carbon nitride were prepared by high temperature carbonization and soft template method, and the photochemical properties of DSSCs electrodes were demonstrated. The photoelectricity conversion efficiency of porous carbon prepared by soft template method using melamine as raw material is the highest, which can reach 2.07, which indicates that large specific surface area is beneficial to improve the electrocatalytic performance of carbon nitride. The carbon nitride / conductive carbon black composite prepared by grinding method shows good catalytic activity and good electrical conductivity. When the carbon nitride and conductive carbon black were doped at 1:7 mass ratio, the composite had the best electrochemical performance, and the photoelectric conversion efficiency of 4.74% was obtained, which reached 93.12% of the Pt electrode under the same conditions. Graphene oxide was prepared by using graphite as raw material, and the carbon nitride / graphene composite was prepared by hydrothermal method. The results show that when the ratio of carbon nitride and graphene is 3:1, the photoelectric conversion efficiency of the material is as high as 4.47, which is 88.17 of Pt electrode under the same conditions. Carbon nitride / multiwalled carbon tube composites were prepared by high temperature calcinations. The composites showed good electrocatalytic activity and excellent electrical conductivity. When the ratio of Monocyanamide and multiwalled carbon tube is 15:1, the optoelectronic conversion efficiency of the composite is the highest, up to 4.49, which is 86.68 of Pt electrode under the same conditions.
【學(xué)位授予單位】：山東理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TB33;TM914.4

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