本文選題：球形分級結(jié)構(gòu) + TiO_2　； 參考：《南京大學(xué)》2014年碩士論文

【摘要】：球形分級結(jié)構(gòu)(Sphere Hierarchical Structure)由于其優(yōu)異的物理、化學(xué)性能,獲得科研工作者的廣泛關(guān)注。但目前球形分級結(jié)構(gòu)的獲得常常需要極端的工藝條件,且難以實現(xiàn)大量制備,從而限制了其應(yīng)用。本文提出了一種新型的球形分級結(jié)構(gòu)的制備方法并研究了其制備機理和應(yīng)用,具體如下：1、提出了一種新型的球形分級結(jié)構(gòu)的制備方法(polyethyleneglycol (PEG) modification followed by self-assembling PMSA)。研究了該方法的PEG分子量、用量等工藝參數(shù)調(diào)控,通過TEM、SEM等表征測試方法研究了其微結(jié)構(gòu)特征,獲得了TiO2、Fe2O3、ZrO2等具有球形分級結(jié)構(gòu)的材料。2、研究了球形分級結(jié)構(gòu)的形成機制。研究了PEG分子構(gòu)型與制備條件的關(guān)聯(lián),提出了干法球磨導(dǎo)致的PEG在納米顆粒表面的平鋪分子構(gòu)型的改變是形成分級結(jié)構(gòu)的關(guān)鍵原因,并提出了球形分級結(jié)構(gòu)的形成模型。3、研究了Ti02球形分級結(jié)構(gòu)可能的應(yīng)用。利用其優(yōu)異的光散射性能研究了其在染料敏化太陽能電池領(lǐng)域的應(yīng)用,實現(xiàn)了電池的光捕獲性能和效率的提高；利用其表面微結(jié)構(gòu)與荷葉表面形貌相似的特點,研究了其表面的超疏水性質(zhì)。4、基于尖劈微結(jié)構(gòu)的優(yōu)異光捕獲性能及在太陽能電池領(lǐng)域的應(yīng)用前景,利用管道濕法腐蝕方法制備了新型的光纖和玻纖尖劈微結(jié)構(gòu),以其為模板通過微結(jié)構(gòu)復(fù)制和轉(zhuǎn)移,獲得了PMMA等襯底表面的尖劈微結(jié)構(gòu)。
[Abstract]:Spherical hierarchical structure (SPSS) has attracted wide attention due to its excellent physical and chemical properties. However, at present, the obtaining of spherical structure often requires extreme technological conditions, and it is difficult to achieve a large number of preparation, which limits its application. In this paper, a new preparation method of spherical classification structure is proposed, and its preparation mechanism and application are studied, as follows: 1, a new spherical structure preparation method is proposed, which is polyethyleneglycol (PEG) modification followed by self-assembling PMSAA. The control of PEG molecular weight, dosage and other technological parameters were studied. The microstructure characteristics of the method were studied by means of TEM and SEM. The spherical structure of TIO _ 2 Fe _ 2O _ 3 / ZrO _ 2 was obtained, and the formation mechanism of spherical structure was also studied. The relationship between the molecular configuration of PEG and the preparation conditions was studied. It was suggested that the change of molecular configuration of PEG on the surface of nano-particles caused by dry ball milling was the key reason for the formation of hierarchical structure. The formation model of spherical classification structure. 3. The possible application of Ti02 spherical classification structure was studied. Its application in the field of dye sensitized solar cells was studied by using its excellent light scattering properties. The photocapture performance and efficiency of the cells were improved, and the surface microstructure was similar to the surface morphology of lotus leaves. The superhydrophobic properties of the surface. 4. Based on the excellent optical trapping performance of the split microstructures and its application prospect in solar cells, a new type of optical fiber and glass fiber wedge microstructures were fabricated by wet corrosion method. The microstructures of PMMA and other substrates were obtained by microstructural replication and transfer.
【學(xué)位授予單位】：南京大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TB383.4;TM914.4

【共引文獻】

相關(guān)期刊論文 前1條

1 李偉彬;孫明軒;何佳;孫善富;張強;石玉瑩;;MoS2/碳纖維對電極的制備及其在DSSCs中的應(yīng)用[J];材料科學(xué)與工程學(xué)報;2015年03期

相關(guān)博士學(xué)位論文 前3條

1 李艷;染料敏化太陽能電池的電極界面特性研究[D];中國礦業(yè)大學(xué);2013年

2 孫明軒;納米TiO_2光陽極材料的改性及其光電化學(xué)和光催化性能研究[D];復(fù)旦大學(xué);2013年

3 江曙東;介孔二氧化硅的功能化改性及其環(huán)氧樹脂復(fù)合材料的熱解與燃燒性能研究[D];中國科學(xué)技術(shù)大學(xué);2015年

相關(guān)碩士學(xué)位論文 前5條

1 尚瓊;染料敏化太陽能電池CuI固態(tài)電解質(zhì)結(jié)構(gòu)與性能的研究[D];哈爾濱工業(yè)大學(xué);2012年

2 鄧海娟;中空磁性Fe_3O_4/SiO_2@PEG-PLA的制備及其藥物緩釋行為的研究[D];陜西師范大學(xué);2013年

3 蒲云月;手性介孔二氧化硅的制備及應(yīng)用[D];蘇州大學(xué);2013年

4 葛敬輝;空心氧化硅納米材料的控制合成及吸附性能研究[D];華南理工大學(xué);2014年

5 蔡平;多孔、中空光催化劑的新路線合成及構(gòu)效關(guān)系研究[D];溫州大學(xué);2014年

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本文編號：2046349