The successful utilization of an eco-friendly and biocompatible parylene-C substrate for high-performance solution-processed double-walled carbon nanotube (CNT) electrode-based perovskite solar cells (PSCs) was demonstrated. Through the use of a novel inversion transfer technique, vertical separation of the binders from the CNTs was induced, rendering a stronger p-doping effect and thereby a higher conductivity of the CNTs. The resulting foldable devices exhibited a power conversion efficiency of 18.11%, which is the highest reported among CNT transparent electrode-based PSCs to date, and withstood more than 10,000 folding cycles at a radius of 0.5 mm, demonstrating unprecedented mechanical stability. Furthermore, solar modules were fabricated using entirely laser scribing processes to assess the potential of the solution-processable nanocarbon electrode. Notably, this is the only one to be processed entirely by the laser scribing process and to be biocompatible as well as eco-friendly among the previously reported nonindium tin oxide-based perovskite solar modules.

中文翻译：

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通过使用环保聚对二甲苯基板垂直分离粘合剂，增强可折叠钙钛矿太阳能电池中溶液加工碳纳米管透明电极的性能

展示了环保且生物相容的聚对二甲苯-C基板成功用于高性能溶液加工双壁碳纳米管（CNT）电极的钙钛矿太阳能电池（PSC）。通过使用新颖的反转转移技术，诱导粘合剂与碳纳米管的垂直分离，从而产生更强的p掺杂效应，从而使碳纳米管具有更高的电导率。由此产生的可折叠器件的功率转换效率为18.11%，这是迄今为止基于CNT透明电极的PSC中报道的最高效率，并且在0.5毫米半径下经受了超过10,000次折叠循环，表现出前所未有的机械稳定性。此外，太阳能模块完全采用激光划片工艺制造，以评估可溶液加工的纳米碳电极的潜力。值得注意的是，这是之前报道的非氧化铟锡基钙钛矿太阳能电池组件中唯一完全采用激光划片工艺加工且具有生物相容性和环保性的组件。