【摘要】：太陽能電池封裝材料對太陽能電池的輸出效率和服役壽命有重要影響。本文研究和制備了一種太陽能電池封裝用光功能化EVA膠膜,它能將目前硅太陽能電池不能吸收利用的紫外光轉換成可吸收利用的可見光或近紅外光,進而有望提高硅太陽能電池的能量轉換效率。首先,在實驗室之前EVA封裝膠膜研究的基礎上,我們選用了丙烯酸(AA)、甲基丙烯酸甲酯(MMA)、g-甲基丙烯酰氧丙基三甲氧基硅烷(KH-570)作為接枝單體對EVA進行接枝,并通過交聯性能、粘接性能、透光性能和耐濕熱老化性能測試表征了接枝單體及穩(wěn)定劑含量對EVA封裝膠膜性能影響。結果表明,KH-570接枝的EVA膠膜綜合性能最優(yōu)。然后,我們以三水合乙酸鉛、單硫代苯甲酸為原料合成制備了單硫代苯甲酸鉛(Pb TB)前驅體,并通過其在油酸胺作用下的分解反應合成制備了硫化鉛(PbS)量子點。X射線衍射(XRD)分析證實了所得產物為PbS;而透射電子顯微鏡(TEM)測試表明PbS粒徑大小為10~20nm。最后,通過直接共混法、前驅體熱分解法、原位反應法分別制備了EVA/PbS量子點復合膠膜,并對膠膜的透光性能和熒光性能進行了表征。研究表明,原位反應法制備的復合膠膜擁有較好的透光性能和熒光性能,與光功能化封裝膠膜的性能要求相匹配。
[Abstract]:Solar cell packaging material has an important impact on the output efficiency and service life of solar cells. In this paper, we study and fabricate a photofunctionalized EVA film for solar cell packaging, which can convert the ultraviolet light which cannot be absorbed by silicon solar cells into visible light or near-infrared light. It is expected to improve the energy conversion efficiency of silicon solar cells. First of all, on the basis of the study of pre-laboratory EVA packaging film, we selected (AA), methacrylate (MMA),. EVA was grafted by g- methacryloxy propyl trimethoxy silane (KH-570) as graft monomer. The effects of graft monomer and stabilizer content on the properties of EVA packaging film were investigated. The results showed that the comprehensive properties of EVA films grafted with KH-570 were the best. Then, lead monothiobenzoate (Pb TB) precursor was synthesized from lead acetate trihydrate and monothiobenzoic acid. Lead sulphide (PbS) quantum dots were synthesized by the decomposition reaction of oleic acid amines. X-ray diffraction (XRD) analysis confirmed that the product was PbS;. Transmission electron microscopy (TEM) (TEM) showed that the size of PbS was 10 ~ 20 nm. Finally, EVA/PbS QDs composite films were prepared by direct blending method, precursor thermal decomposition method and in-situ reaction method. The transmittance and fluorescence properties of the films were characterized. The results show that the composite films prepared by in-situ reaction method have better transmittance and fluorescence properties, which are in line with the performance requirements of photofunctionalized packaging films.
【學位授予單位】：上海交通大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TM914.4

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