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NiO層作為空穴傳輸層的鈣鈦礦太陽能電池的制備和性能研究

發(fā)布時間:2018-07-22 17:36
【摘要】:有機-無機雜化鈣鈦礦太陽能電池因具有光吸收強、載流子擴散長度長等優(yōu)點,近年來在光伏領(lǐng)域吸引了廣泛的關(guān)注,其中,無機NiO薄膜在電池結(jié)構(gòu)中作為空穴傳輸層已發(fā)展成為鈣鈦礦電池研究的重要方向。采用溶液旋涂法制備了NiO薄膜,系統(tǒng)優(yōu)化了不同燒結(jié)溫度和不同濃度條件下NiO薄膜對鈣鈦礦電池性能的影響。采用掃描電鏡、X射線衍射、紫外-可見分光光度計、電流-電壓測試、光量子效率等方法分別觀察和分析了NiO薄膜以及相應(yīng)電池的光電性能。結(jié)果表明:溶液旋涂法制備的NiO薄膜具有良好的覆蓋性、非常低的表面粗糙度,當(dāng)制備NiO的預(yù)制溶液濃度為0.05mol/L,NiO的燒結(jié)溫度為500℃時,獲得了最優(yōu)的電池性能,最高電池轉(zhuǎn)換效率為14.62%。
[Abstract]:Organic-inorganic hybrid perovskite solar cells have attracted wide attention in photovoltaic field in recent years because of their advantages of strong light absorption and long carrier diffusion length. Inorganic nio thin film has become an important research direction of perovskite battery as a hole transport layer in the structure of the cell. Nio thin films were prepared by solution spin-coating method. The effects of nio films on the performance of perovskite batteries were optimized at different sintering temperatures and different concentrations. The optical and electrical properties of nio thin films and corresponding batteries were observed and analyzed by means of scanning electron microscope X-ray diffraction, UV-Vis spectrophotometer, current-voltage measurement and optical quantum efficiency. The results show that nio thin films prepared by solution spin-coating method have good coverage and very low surface roughness. When the concentration of prefabricated nio solution is 0.05 mol / L nio sintering temperature is 500 鈩,

本文編號:2138243

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