使用碳酸铯对溶液处理的平面型硫化锑太阳能电池进行高效的二氧化钛表面处理。
Efficient TiO Surface Treatment Using CsCO for Solution-Processed Planar-Type SbS Solar Cells.
作者信息
Kim Wook Hyun, Woo Sungho, Kim Kang-Pil, Kwon Soo-Min, Kim Dae-Hwan
机构信息
Convergence Research Center for Solar Energy, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea.
出版信息
Nanoscale Res Lett. 2019 Jan 17;14(1):25. doi: 10.1186/s11671-019-2858-5.
We report a highly effective surface treatment method for planar-type SbS solar cells by employing a CsCO-modified compact TiO (c-TiO) electron transport layer. It is found that surface treatment using a CsCO solution can shift the work function of c-TiO upward and reduce its surface roughness. As a result, compared with the power conversion efficiency of untreated solar cells, that of the treated solar cells with a glass/FTO/c-TiO(/CsCO)/SbS/P3HT/Au structure significantly improved from 2.83 to 3.97%. This study demonstrates that the introduction of CsCO on a c-TiO layer is a simple and efficient way to adjust the work function of the electron transport layer and fabricate high-performance planar-type SbS solar cells.
我们报道了一种通过使用碳酸铯（CsCO）改性的致密二氧化钛（c-TiO）电子传输层来制备平面型硫化锑（SbS）太阳能电池的高效表面处理方法。研究发现，使用碳酸铯溶液进行表面处理可以使c-TiO的功函数向上移动并降低其表面粗糙度。结果，与未处理的太阳能电池的功率转换效率相比，具有玻璃/FTO/c-TiO（/CsCO）/SbS/P3HT/Au结构的处理后的太阳能电池的功率转换效率从2.83%显著提高到了3.97%。这项研究表明，在c-TiO层上引入碳酸铯是调整电子传输层功函数并制备高性能平面型硫化锑太阳能电池的一种简单有效的方法。
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