本文選題：染料敏化太陽能電池 + 純有機光敏染料　； 參考：《大連理工大學(xué)》2014年博士論文

【摘要】：光敏染料和電解質(zhì)作為染料敏化太陽能電池的核心組成部分,對電池的光電轉(zhuǎn)換性能起著決定性的作用。設(shè)計開發(fā)高效、穩(wěn)定、廉價的光敏染料和電解質(zhì)能夠有效降低電池成本,進而推進染料敏化太陽能電池的產(chǎn)業(yè)化進程。 將吡啶摀離子基團作為電子受體,設(shè)計合成了11個非對稱半菁染料。研究發(fā)現(xiàn),與普遍采用的電子受體-氰基丙烯酸基團相比,以吡啶摀離子基團為電子受體構(gòu)建的光敏染料吸收譜帶發(fā)生明顯紅移,對太陽光光譜具有更寬的響應(yīng)。將此類光敏染料應(yīng)用于染料敏化太陽能電池中,染料CM104獲得了7.0%(Jsc=13.4mA·cm-2,Voc=704mV,FF=74.8%)的光電轉(zhuǎn)換效率；相同條件下參比染料CMR104獲得了3.4%(Jsc=6.2mA·cm-2,Voc=730mV,FF=74.8%)的光電轉(zhuǎn)換效率。 將吡啶摀離子基團做為橋基與電子受體氰基丙烯酸基團直接相連,設(shè)計合成了3個D-A-A型半菁染料。在吡啶摀離子基團和氰基丙烯酸基團的共同吸電子作用下,此類光敏染料吸附于TiO2表面僅發(fā)生2-6nm的藍移。將此類光敏染料應(yīng)用于染料敏化太陽能電池中,以CM203為光敏染料,使用碘/硫多組分雜合電解質(zhì)制備的電池獲得了8.8%(Jsc=15.0mA·cm-2,Voc=820mV,FF=72.5%)的光電轉(zhuǎn)換效率。 將三倍司摀離子基團作為電子受體構(gòu)建的光敏染料CM301-CM304在可見光區(qū)域吸收較強,但吸收光譜較窄。應(yīng)用于染料敏化太陽能電池中,僅在500-650nm區(qū)域?qū)μ柟饩哂休^高轉(zhuǎn)化效率。以CM303為光敏劑的電池獲得了5.0%的光電轉(zhuǎn)換效率。選用與CM303光譜互補的純有機光敏染料CMR103和HY113共同用于制備共敏化太陽能電池,獲得了8.2%的光電轉(zhuǎn)換效率。共敏化電池在整個可見光區(qū)域(400-700nm)內(nèi)IPCE值保持在85%以上。 將L-半胱氨酸/L-胱氨酸氧化還原電對應(yīng)用于染料敏化太陽能電池電解質(zhì),以N719為光敏染料,獲得了7.7%的光電轉(zhuǎn)換效率。此類電解質(zhì)制備簡單、成本低廉、腐蝕性較小,更適用于規(guī)模化生產(chǎn)；同時電解質(zhì)對光的吸收性能較弱,有利于光敏染料對光的吸收轉(zhuǎn)換。 以對苯二酚/苯醌為氧化還原電對的多組分雜合電解質(zhì)近乎無色,有利于光敏染料對太陽光的捕獲,將此電對應(yīng)用于染料敏化太陽能電池中,獲得了8.4%(Jsc=17.2mA·cm-2,Voc=750mV,FF=66.3%)的光電轉(zhuǎn)換效率,這一效率優(yōu)于使用I-/I3-電解質(zhì)封裝的電池。
[Abstract]:Guang Min dyes and electrolytes, as the core components of dye sensitized solar cells, play a decisive role in the photoelectric conversion performance of the cells. The design and development of efficient, stable and cheap Guang Min dyes and electrolytes can effectively reduce the cost of solar cells and promote the industrialization of dye sensitized solar cells. Eleven asymmetric hemocyanine dyes were designed and synthesized by using pyridine group as electron acceptor. It is found that compared with the commonly used electron acceptor-cyanoacrylic group, the absorption band of Guang Min dye constructed by using pyridine as the electron acceptor has a red shift and a wider response to the solar spectrum. Using this kind of Guang Min dye in dye sensitized solar cells, the photoelectricity conversion efficiency of 7.0%(Jsc=13.4mA cm-2vocn 704mV FFU 74.8 was obtained by dye CM104, and the optoelectronic conversion efficiency of 3.4%(Jsc=6.2mA cm-2Voc730mV FFFFFF74.8g was obtained by reference dye CMR104 under the same conditions. Three D-A-A semicyanine dyes were designed and synthesized by using pyridine as the bridge group and the electron acceptor cyanoacrylic acid group as the bridge group. Under the combined action of pyridine ion group and cyanoacrylic group, only the blue shift of 2-6nm occurs on the surface of TiO2 adsorbed by this kind of Guang Min dye. This kind of Guang Min dye was used in dye sensitized solar cell. The photovoltaic conversion efficiency of 8.8%(Jsc=15.0mA cm-2v Vocn 820mV FF72.5) was obtained by using CM203 as Guang Min dye and using iodine / sulfur multicomponent hybrid electrolyte. Guang Min dye CM301-CM304, which was constructed by using the triple sieve group as the electron acceptor, had a strong absorption in the visible region, but a narrower absorption spectrum. When used in dye sensitized solar cells, the conversion efficiency of solar light is higher only in 500-650nm region. The photovoltaic conversion efficiency of the battery with CM303 as Guang Min was 5.0%. A pure organic Guang Min dye, CMR103 and HY113, complementary to CM303 spectra, was used to prepare co-sensitized solar cells. The photovoltaic conversion efficiency of 8.2% was obtained. The IPCE value of the co-sensitized cells remained above 85% in the whole visible region of 400-700 nm. L- cysteine / L- cysteine redox pair was applied to dye sensitized solar cell electrolyte. Using N719 as Guang Min dye, the photoelectric conversion efficiency of 7. 7% was obtained. This kind of electrolyte is simple in preparation, low in cost, less corrosive, and more suitable for large-scale production, and the absorption property of the electrolyte to light is weak, which is beneficial to the absorption and conversion of Guang Min dyes. The multicomponent hybrid electrolyte with hydroquinone / benzoquinone as redox electric pair is nearly colorless, which is advantageous to the capture of solar light by Guang Min dye. The photoelectricity conversion efficiency of 8.4%(Jsc=17.2mA cm-2Voct750mVFFN 66.3) is obtained by applying this pair to dye sensitized solar cells. This efficiency is superior to that of batteries packaged with I-P-I 3-electrolyte.
【學(xué)位授予單位】：大連理工大學(xué)
【學(xué)位級別】：博士
【學(xué)位授予年份】：2014
【分類號】：O621.13;TM914.4

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