CIGSe纳米管/聚芴衍生物杂化太阳能电池材料设计、器件制备及光伏特性研究

项目名称： CIGSe纳米管/聚芴衍生物杂化太阳能电池材料设计、器件制备及光伏特性研究

项目编号： No.20804038

项目类型： 青年科学基金项目

立项/批准年度： 2009

项目学科： 电工技术

项目作者： 路胜利

作者单位： 浙江科技学院

项目金额： 19万元

中文摘要： 我们尝试了在ITO导电玻璃上先沉积一层Ag，再沉积铝，进行AAO的制备，然后电化学沉积CIGSe，先旋涂P3HT作空穴传输层进行杂化器件制备。由于没有硒化炉，CIGSe纳米管晶型不完整，故效率较低。我们及时调整了实验方案，以TiO2纳米粒为电子受体制备杂化器件。我们共原位合成了十几个低带隙聚噻吩次甲基衍生物，进行了IR、UV-Vis、CV及I－V表征。原位聚合后能增大聚合物与TiO2的接触面积，提高光诱导电荷的转移效率。用AFM研究了活性层的表面形貌，发现原位聚合后TiO2与聚合物表面较光滑，其中基于聚（噻吩－3－溴苯次甲基）杂化器件的效率比原位聚合P3HT提高了近6倍，效率为0.29%。我们制备的基于两性羧基聚噻吩（P3TMA）/TiO2的杂化器件获得0.25%的器件效率。最近我们尝试了原位电化学聚合杂化器件的研究，我们制备了FTO/TiO2/4,7-二噻吩苯并噻二唑（DTBT）原位聚合/P3HT/Au器件，Jsc为7mA/cm2，η20026;1.12%。对DSSC进行过系统研究，其中高沸点电解质效率近9%，并联及串联组件（5×m）效率为5.5%和4%，准固态DSSC效率近6%。

中文关键词： 杂化太阳能电池；CIGSe纳米管；TiO2；光伏性能；原位聚合

英文摘要： A thinner Ag layer was firstly deposited on ITO conducting glass, then thicker Al layer was deposited. Subsequently, AAO was fabricated by anode oxidation, finally, CIGSe nanotube was electrochemically synthesized. P3HT was firstly used as hole transportor to make hybrid devices. The device efficiency was lower because we have no selenium furnace and CIGSe nanotube crystals were not regular and perfect. Therefore, we instantly modify experimental project. CIGSe is substituted by TiO2 nanocrystal used as electron acceptor to conduct hybrid solar cells. More than Ten low-band-gap poly (thienylene methine) derivatives were in-situ polymerized onto surface of TiO2 and hybrid solar cells were subsequently fabricated. IR, UV-vis, CV and I-V characterization were performed. The interface between polymer and TiO2 is enlarged and photo-induced charge transfer efficiency is improved after in-situ polymerization. We found the surface morphology of active layer based on TiO2 and in-situ polymer was smoother using AFM technique. Among those in-situ polymers, poly(thiophene-3-bromo-phylenemethine) based hybrid device was shown 6 times higher than in-situ P3HT, and the efficiency was 0.29%. Amphiphilic polythiophene derivative containing carboxylic acid (P3TMA) was synthesized and device of FTO/TiO2+P3TMA/P3HT/Au was fabricated, whose efficiency of 0.25% was finally obtained. Recently, in-situ electrochemical polymerization hybrid device was studied, and FTO/TiO2/4,7-bithiophene-benzodithiazole in-situ electrochemical polymerization/ P3HT/ Au was fabricated. Jsc of 7 mA/cm2 and ηf 1.12% were obtained. DSSC was also systematically researched and the device efficiency of higher boiling point electrolyte, parallel module, serial module and quasi solid state electrolyte was 9%, 5,5%, 4% and 6%, respectively.

英文关键词： Hybrid solar cells; CIGSe nanotube; TiO2 Photovoltaic performance; In-situ polymerization