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Tailoring the Dimensionality of 2D/3D Heterojunctions for Inverted Perovskite Solar Cells
ACS Energy Letters ( IF 19.3 ) Pub Date : 2024-02-01 , DOI: 10.1021/acsenergylett.4c00045 Chaohui Li 1 , Kaicheng Zhang 1 , Santanu Maiti 2 , Zijian Peng 1 , Jingjing Tian 1 , Hyoungwon Park 3, 4 , Jiwon Byun 3 , Zhiqiang Xie 1 , Lirong Dong 1 , Shudi Qiu 1 , Andreas J. Bornschlegl 1 , Chao Liu 1, 5 , Jiyun Zhang 1, 5 , Andres Osvet 1 , Thomas Heumueller 1, 5 , Silke H. Christiansen 4 , Marcus Halik 3 , Tobias Unruh 2 , Ning Li 1, 5, 6 , Larry Lüer 1 , Christoph J. Brabec 1, 5
ACS Energy Letters ( IF 19.3 ) Pub Date : 2024-02-01 , DOI: 10.1021/acsenergylett.4c00045 Chaohui Li 1 , Kaicheng Zhang 1 , Santanu Maiti 2 , Zijian Peng 1 , Jingjing Tian 1 , Hyoungwon Park 3, 4 , Jiwon Byun 3 , Zhiqiang Xie 1 , Lirong Dong 1 , Shudi Qiu 1 , Andreas J. Bornschlegl 1 , Chao Liu 1, 5 , Jiyun Zhang 1, 5 , Andres Osvet 1 , Thomas Heumueller 1, 5 , Silke H. Christiansen 4 , Marcus Halik 3 , Tobias Unruh 2 , Ning Li 1, 5, 6 , Larry Lüer 1 , Christoph J. Brabec 1, 5
Affiliation
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Interface engineering is crucial to achieving stable perovskite photovoltaic devices. A versatile approach is developed to tailor interface properties via integrating co-assembled monolayers (co-SAMs) at the p-type buried interface and by capping a two-dimensional (2D) perovskite layer at the n-type upper interface with vacuum quenching. Optimized co-SAMs promote the coverage of the hole transport layer, significantly reducing the incidence of leakage currents. Based on this foundation, we develop damp-heat-stable perovskite solar cells by precisely tailoring the fragments of 2D perovskite layers through vacuum annealing with phenethylammonium iodide. An impressive open-circuit voltage of 1.216 V is achieved, corresponding to 92% of the value determined by the detailed-balance limit, along with a power conversion efficiency of 23.68%. Ultimately, integrating co-SAMs and the vacuum-assisted annealing fabricated devices maintain 96% and 80% of initial efficiencies after 1200 and 500 h of tracking at a maximum power point under 55 and 85 °C, respectively.
中文翻译：
定制倒置钙钛矿太阳能电池 2D/3D 异质结的维度
界面工程对于实现稳定的钙钛矿光伏器件至关重要。开发了一种通用方法，通过在 p 型掩埋界面处集成共组装单层 (co-SAM) 并通过真空淬火在 n 型上界面处覆盖二维 (2D) 钙钛矿层来定制界面属性。优化的 co-SAM 促进了空穴传输层的覆盖，显着降低了漏电流的发生率。在此基础上，我们通过苯乙基碘化铵真空退火精确定制二维钙钛矿层碎片，开发出湿热稳定的钙钛矿太阳能电池。开路电压高达 1.216 V，相当于详细平衡限制确定值的 92%，功率转换效率高达 23.68%。最终，集成 co-SAM 和真空辅助退火制造的器件在 55°C 和 85°C 以下的最大功率点跟踪 1200 小时和 500 小时后，分别保持了 96% 和 80% 的初始效率。
更新日期：2024-02-01
中文翻译：
定制倒置钙钛矿太阳能电池 2D/3D 异质结的维度
界面工程对于实现稳定的钙钛矿光伏器件至关重要。开发了一种通用方法，通过在 p 型掩埋界面处集成共组装单层 (co-SAM) 并通过真空淬火在 n 型上界面处覆盖二维 (2D) 钙钛矿层来定制界面属性。优化的 co-SAM 促进了空穴传输层的覆盖，显着降低了漏电流的发生率。在此基础上，我们通过苯乙基碘化铵真空退火精确定制二维钙钛矿层碎片，开发出湿热稳定的钙钛矿太阳能电池。开路电压高达 1.216 V，相当于详细平衡限制确定值的 92%，功率转换效率高达 23.68%。最终，集成 co-SAM 和真空辅助退火制造的器件在 55°C 和 85°C 以下的最大功率点跟踪 1200 小时和 500 小时后，分别保持了 96% 和 80% 的初始效率。
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