本文選題：聚合物 + 鈣鈦礦��； 參考：《南昌大學(xué)》2017年碩士論文

【摘要】：聚合物光伏器件在最近十幾年引起了極大的關(guān)注,由于其具有的低成本,質(zhì)量輕,柔性制備以及將來可能的大面積的溶液加工制備的優(yōu)勢。在發(fā)展迅速的新型給受體材料制備和界面工程調(diào)控中,單節(jié)的光伏器件已經(jīng)超過10%的效率。然而由于聚合物光伏器件中的有機材料電荷遷移率較低,大部分的高性能器件均采用的是制備較薄的活性層和界面層的方法。因此,現(xiàn)在研究的重點大多集中在發(fā)明新型的具有高的電荷遷移率的活性層及界面層材料,這樣才能夠制備厚度不敏感的器件。在反向太陽能器件中,氧化鋅是一種非常常用的電子傳輸層材料。在這里,我們報告一種通過原位生長乙二硫醇摻雜的氧化鋅制備電子傳輸層的方法,有效的提高了反向聚合物太陽能電池的效率。氧化鋅與乙二硫醇中巰基的強相互作用有利于鈍化氧化鋅的表面缺陷以及提高氧化鋅的電子遷移能力并形成平滑均一的薄膜。相對于純氧化鋅薄膜而言,氧化鋅與乙二硫醇的共混膜提升了電荷取出效率和光生載流子的產(chǎn)生。因此,氧化鋅與乙二硫醇的共混膜作為電子傳輸層的基于窄帶隙活性層PTB7和PC71BM的反向聚合物太陽能電池獲得了8.0%的轉(zhuǎn)換效率。鹵化鉛的鈣鈦礦光伏器件由于其優(yōu)越的光伏性能吸引了巨大的關(guān)注,然而,由于鈣鈦礦材料以及傳輸層材料導(dǎo)致器件的穩(wěn)定性差,無法在大氣環(huán)境中維持器件的正常效率,從而阻礙了鈣鈦礦器件的發(fā)展。現(xiàn)在我們報道了一種在低溫下可溶液加工的鹵化鉛鈣鈦礦電池,陰陽極界面層均使用金屬氧化物,分別為n型的氧化鈰和p型的氧化鎳。制備的鈣鈦礦光伏器件具有不錯的器件效率和良好的穩(wěn)定性。制備的器件為p-i-n結(jié)構(gòu)(ITO/NiOx/perovskite/Ce Ox/Ag),在器件中氧化鈰將鈣鈦礦光活性層和頂電極Ag分隔開,避免了鈣鈦礦對上層的滲透。在放置200小時后,器件的效率依然保持有最初的90%,而不像使用PCBM的器件那樣迅速的衰減。
[Abstract]:Polymer photovoltaic devices have attracted a great deal of attention in recent years because of their advantages of low cost, light weight, flexible fabrication and possible large area solution processing in the future.In the rapid development of novel recipient materials preparation and interface engineering regulation, single-section photovoltaic devices have been more than 10% efficiency.However, due to the low charge mobility of organic materials in polymer photovoltaic devices, most of the high performance devices adopt the method of preparing thin active layer and interface layer.Therefore, most of the research focuses on the invention of new active layer and interface layer material with high charge mobility, which can be used to fabricate thickness insensitive devices.In reverse solar devices, zinc oxide is a very common electron transport layer material.In this paper, we report a method of preparing electron transport layer by in situ growth of ethylenedimercaptan doped zinc oxide, which effectively improves the efficiency of reverse polymer solar cells.The strong interaction between zinc oxide and mercapto group in ethylenedimercaptan is beneficial to the passivation of surface defects of zinc oxide and the enhancement of electron migration ability of zinc oxide and the formation of a smooth and uniform film.Compared with pure zinc oxide film, the blend film of zinc oxide and ethylenediol increases the efficiency of charge removal and the generation of photogenerated carriers.Therefore, the reverse polymer solar cells based on narrow band gap active layers PTB7 and PC71BM have achieved a conversion efficiency of 8.0% by using the zinc oxide / ethylenediol blend film as the electron transport layer.Perovskite photovoltaic devices with lead halide have attracted great attention due to their excellent photovoltaic properties. However, due to the poor stability of perovskite materials and transport layer materials, it is unable to maintain the normal efficiency of the devices in the atmospheric environment.This hinders the development of perovskite devices.In this paper, we report a kind of lead halide perovskite cell which can be processed in solution at low temperature. The interface layer of cathode and cathode is composed of metal oxides, which are n-type cerium oxide and p-type nickel oxide respectively.The prepared perovskite photovoltaic devices have good device efficiency and good stability.The fabricated device is p-i-n / NiOx-perovskite / ce oxide / Ag.Ceric oxide separates the photoactive layer of perovskite from the top electrode Ag in order to avoid perovskite penetration into the upper layer.After 200 hours of placement, the device's efficiency remains at the initial 90, rather than the rapid decay of devices using PCBM.
【學(xué)位授予單位】：南昌大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TM914.4

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