Facile fabrication method of small-sized crystal silicon solar cells for ubiquitous applications and tandem device with perovskite solar cells
Facile fabrication method of small-sized crystal silicon solar cells for ubiquitous applications and tandem device with perovskite solar cells
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DOI：
10.1016/j.mtener.2017.09.009
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发表时间：
2017-10
影响因子：
9.3
通讯作者：
H. Kanda;Naoyuki Shibayama;A. Uzum;T. Umeyama;H. Imahori;Yu-Hsien Chiang;Peter Chen;M. Nazeeruddin;S. Ito
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文献类型：
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作者：
H. Kanda;Naoyuki Shibayama;A. Uzum;T. Umeyama;H. Imahori;Yu-Hsien Chiang;Peter Chen;M. Nazeeruddin;S. Ito
小型单晶硅太阳能电池(约2500万平方毫米)是通过非真空工艺制造的，作为小型设备(无处不在的设备：手表、台式计算器)的能源供应。并被加工用于串联太阳能电池研究。为了消除有害的裂纹以改善光伏性能，进行了侧边刻蚀工艺。此外，具有侧接触的小型太阳能电池的新结构提供了减少接触的阴影损失。经过结构和工艺优化，采用3 mm×8 mm表面尺寸太阳电池的非真空工艺实现了16.4%的转换效率。最后，将小型硅电池的光伏特性与非晶硅太阳电池进行了比较。此外，通过与每个子电池的TCO层直接接触，将工艺简单的硅太阳电池集成到机械叠层串联太阳电池和钙钛矿太阳电池中。顶部钙钛矿电池中的HTM上的对电极MoOX/IZO(Spiro-OMeTAD)物理地放置在底部硅太阳电池的顶部，形成串联的配置。
Small-sized single crystalline silicon solar cells (ca. 25 mm2) were fabricated by a non-vacuum process as an energy supply for small devices (ubiquitous devices: a wristwatch, desktop calculatoretc.) and processed for a tandem solar-cell research. A side-edge etching procedure was performed in order to eliminate detrimental cracks to improve photovoltaic properties. Moreover, the new structure of the small-sized solar cell with side contact provides reduced shadow loss of contacts. After the structural and procedural optimization, a conversion efficiency of 16.4% was achieved by a non-vacuum process with 3 mm × 8 mm surface dimension solar cell. Finally, the photovoltaic characteristics of small silicon cells, as a function of light intensity for the ubiquitous purposes were compared with amorphous silicon solar cells. In addition, the facile processed silicon solar cell was integrated into mechanically-stacked tandem solar cells with perovskite solar cells by direct contact of TCO layers of each sub-cell. The counter electrode MoOX/IZO over HTM (spiro-OMeTAD) in top perovskite cells is physically placed on top of the bottom Si solar cell to form a series tandem configuration.