Translucent, color-neutral and efficient perovskite thin film solar modules†,Journal of Materials Chemistry C

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Translucent, color-neutral and efficient perovskite thin film solar modules†
Journal of Materials Chemistry C ( IF 5.7 ) Pub Date : 2018-03-01 00:00:00 , DOI: 10.1039/c7tc05863b
Lucija Rakocevic _{1,

2,

2,

3,

4} , Robert Gehlhaar _{1,

2,

3} , Manoj Jaysankar _{1,

2,

2,

3,

4} , Wenya Song _{1,

2,

2,

3,

4} , Tom Aernouts _{1,

2,

3} , Henri Fledderus _{5,

6,

7} , Jef Poortmans _{1,

2,

2,

3,

4}

Affiliation

Thin film perovskite photovoltaic devices combine high power conversion efficiencies with low weight, large area, high speed production capabilities and high versatility in form factor. With this paper, an additional feature is added to the device property portfolio: optical transparency. Results on translucent perovskite modules with selectively tuned levels of transparency are reported by applying the industrially established fabrication process of partial area ablation to high efficiency opaque devices. After process completion, the final devices consist of opaque areas that absorb the light, and transparent areas that permit neutral light transmission. We compare the effectiveness of using two active area removal techniques: mechanical scribing and laser ablation, and determine the factors that limit the maximum transparency and power conversion efficiency. Moreover, we show how the choice of the ablation method and design of the active area removal pattern affect and limit the maximum light utilization efficiency ratio that can be achieved with this fabrication process. The resulting 4 cm² translucent modules cover a range of visible light transparency from 7 to 37% with a corresponding power conversion efficiency of 5 to 13%.

中文翻译：

半透明，不影响颜色的钙钛矿薄膜太阳能电池组件†

薄膜钙钛矿光伏器件结合了高功率转换效率，低重量，大面积，高速生产能力以及形状系数高的多功能性。在本文中，器件特性组合中增加了一个附加功能：光学透明性。通过将工业上建立的局部区域烧蚀的制造工艺应用于高效的不透明器件，报道了具有选择性调节的透明性水平的半透明钙钛矿组件的结果。处理完成后，最终设备由吸收光的不透明区域和允许中性光透射的透明区域组成。我们比较了使用两种有源区域去除技术的效果：机械划刻和激光烧蚀，并确定限制最大透明度和功率转换效率的因素。此外，我们展示了烧蚀方法的选择和有效区域去除图案的设计如何影响和限制通过该制造工艺可以实现的最大光利用效率比。结果4厘米^2个半透明模块覆盖了7％到37％的可见光透明度，相应的功率转换效率为5％到13％。

更新日期：2018-03-01

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