Low cost photovoltaic modules based on dye sensitized nanocrystalline titanium dioxide and carbon powder
Low cost photovoltaic modules based on dye sensitized nanocrystalline titanium dioxide and carbon powder
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DOI：
10.1016/0927-0248(96)00063-3
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发表时间：
1996-10-30
影响因子：
6.9
通讯作者：
Gratzel, M
中科院分区：
文献类型：
--
作者：
Kay, A;Gratzel, M
介绍了一种新型的基于单片串联染料敏化光电化学电池的光伏组件。每个太阳能电池元件由透明导电衬底上的三个多孔层组成，即染料敏化纳米晶TiO 2（TiO2）的光电极、TiO 2（金红石）的电绝缘光反射颗粒的间隔物以及石墨粉末和炭黑的反电极。这些层的孔填充有含有碘化物的氧化还原电解质，用于在光电极和反电极之间传输空穴。透明导电基板上的单片串联连接，例如，SnO2涂层的玻璃，是通过简单的重叠，每个碳反电极与相邻光电极的背接触。这种模块可以通过简单的印刷技术在连续的非真空工艺中生产。在本文中，我们提出的第一个结果，这种新型的太阳能电池的能量转换效率和长期稳定性。
A new type of photovoltaic module based on monolithically series connected dye sensitized photoelectrochemical cells is described. Each solar cell element consists of three porous layers on a transparent conducting substrate, namely a photoelectrode of dye sensitized nanocrystalline TiO2 (anatase), a spacer of electrically insulating, light reflecting particles of TiO2 (rutile), and a counterelectrode of graphite powder and carbon black. The pores of these layers are filled with a redox electrolyte containing iodide for hole transport between photo- and counterelectrode. The monolithic series connection on the transparent conducting substrate, e.g., SnO2 coated glass, is achieved by simple overlap of each carbon counterelectrode with the back contact of the adjacent photoelectrode. Such modules may be produced in a continuous non-vacuum process by simple printing techniques. In this paper we present the first results on energy conversion efficiency and long term stability obtained with this new type of solar cell.