發(fā)布時(shí)間：2019-02-11 07:15

【摘要】：太陽(yáng)能電池封裝材料對(duì)太陽(yáng)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(yáng)能電池封裝用光功能化EVA膠膜,它能將目前硅太陽(yáng)能電池不能吸收利用的紫外光轉(zhuǎn)換成可吸收利用的可見(jiàn)光或近紅外光,進(jìn)而有望提高硅太陽(yáng)能電池的能量轉(zhuǎn)換效率。首先,在實(shí)驗(yàn)室之前EVA封裝膠膜研究的基礎(chǔ)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(duì)EVA進(jìn)行接枝,并通過(guò)交聯(lián)性能、粘接性能、透光性能和耐濕熱老化性能測(cè)試表征了接枝單體及穩(wěn)定劑含量對(duì)EVA封裝膠膜性能影響。結(jié)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(qū)體,并通過(guò)其在油酸胺作用下的分解反應(yīng)合成制備了硫化鉛(PbS)量子點(diǎn)。X射線衍射(XRD)分析證實(shí)了所得產(chǎn)物為PbS;而透射電子顯微鏡(TEM)測(cè)試表明PbS粒徑大小為10~20nm。最后,通過(guò)直接共混法、前驅(qū)體熱分解法、原位反應(yīng)法分別制備了EVA/PbS量子點(diǎn)復(fù)合膠膜,并對(duì)膠膜的透光性能和熒光性能進(jìn)行了表征。研究表明,原位反應(yīng)法制備的復(fù)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(xué)位授予單位】：上海交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TM914.4

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本文編號(hào)：2419510