新余学院本科毕业设计(论文)撰写模板(实验与设计类).doc

Xinyu University 毕业设计(论文) 纳米复合光电极和PEDOT:PSS对电极构造的柔性双面吸光太阳电池 版权使用授权书论文题目：纳米复合光电极和PEDOT:PSS对电极构造的柔性双面吸光太阳电池( 染料敏化太阳电池(DSCs)作为第三代太阳电池，具有无污染、低成本、制备工艺简单和可柔性化等特点，被认为是最具发展前景的太阳电池之一，其中器件可柔性化的特点进一步拓展了DSCs的应用范围，是DSCs最具发展前景的方向之一。本论文锁定这一极具发展的前沿课题，对DSCs光电极和对电极低温制备和改性进行了研究，为DSCs低成本、柔性化及透明化提供基础。 以SnCl4为前驱体混合纳米TiO2通过低温热处理(150℃)在FTO基底上原位形成了SnO2/TiO2复合多孔膜，并将其作为光阳极引入DSCs中，着重考察了复合多孔膜中SnO2含量对DSCs光电性能的影响，探讨其支配光电性能的内在原因。研究表明：随着SnO2的含量增加，DSCs的短路电流和转换效率均先提升，随后急剧下降。当SnO2含量为25wt%时，短路电流和转换效率均达到最大值，分别是无粘结剂TiO2光电极DSCs的2.74和4.52倍。 采用简易的溶液旋涂工艺以PEDOT:PSS水溶液其起始原料在FTO基底上制备了PEDOT:PSS对电极，着重引入10种掺杂剂对PEDOT:PSS对电极进行改性，探讨了掺杂对柔性双面吸光DSCs光电性能的影响。研究表明：掺杂对柔性双面吸光DSCs光电性能影响明显，相对于纯PEDOT:PSS，除PEG200掺杂后光电性能无提高外，其他9种物质掺杂后均有所提高，主要是因为PEG200掺杂后，DSCs光电性能降低主要是由面电阻与透光率相互竞争的结果。同时模拟光从对电极入射发现，掺杂PEDOT:PSS作为DSCs对电极具有良好的背面吸光特性。 最后针对DSCs的大面积化进行了初步研究，并结合开发的新型光电极及对电极，组装了简易柔性双面吸光DSCs。染料敏化太阳电池；低温；复合多孔膜；PEDOT:PSS；光电性能Flexible and Bifacial Solar Cells Consisting of SnO2/TiO2 Nanocomposite Photoelectrode and PEDOT:PSS Counter Electrode Specialty: New Energy Materials Science and Engineering Applicant: Xiaoming Wang Supervisor: Prof. Xiaoming Zhang ABSTRACT As the third-generation solar cells, dye-sensitized solar cells (DSCs) have features such as no pollution, low cost, simple preparation process and flexibility, which have been considered as one of the most promising solar cells. The flexible feature expands the scope of application of DSCs, which is one of the most promising directions that have development prospects. This article targeted this subject research which has great promising prospect. And photoelectrode and the counter electrode prepared by low temperature were studied, which provided a basis for low-cost, flexible, transparent DSCs. Photoelectrode:SnO2 /TiO2 composite porous film was in situ formed by low temperature(150℃) thermal treatment using Sncl4 as the precursor mixture TiO2 nanoparticle at FTO substrate. And it was introduced on