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Self‐Assembly Atomic Stacking Transport Layer of 2D Layered Titania for Perovskite Solar Cells with Extended UV Stability
Advanced Energy Materials ( IF 27.8 ) Pub Date : 2017-09-13 , DOI: 10.1002/aenm.201701722 Tzu-Pei Chen,Chung-Wei Lin,Shao-Sian Li,Yung-Han Tsai,Cheng-Yen Wen,Wendy Jessica Lin,Fei-Man Hsiao,Ya-Ping Chiu,Kazuhito Tsukagoshi,Minoru Osada,Takayoshi Sasaki,Chun-Wei Chen
Advanced Energy Materials ( IF 27.8 ) Pub Date : 2017-09-13 , DOI: 10.1002/aenm.201701722 Tzu-Pei Chen,Chung-Wei Lin,Shao-Sian Li,Yung-Han Tsai,Cheng-Yen Wen,Wendy Jessica Lin,Fei-Man Hsiao,Ya-Ping Chiu,Kazuhito Tsukagoshi,Minoru Osada,Takayoshi Sasaki,Chun-Wei Chen
A novel atomic stacking transporting layer (ASTL) based on 2D atomic sheets of titania (Ti1−δO2) is demonstrated in organic–inorganic lead halide perovskite solar cells. The atomically thin ASTL of 2D titania, which is fabricated using a solution‐processed self‐assembly atomic layer‐by‐layer deposition technique, exhibits the unique features of high UV transparency and negligible (or very low) oxygen vacancies, making it a promising electron transporting material in the development of stable and high‐performance perovskite solar cells. In particular, the solution‐processable atomically thin ASTL of 2D titania atomic sheets shows superior inhibition of UV degradation of perovskite solar cell devices, compared to the conventional high‐temperature sintered TiO2 counterpart, which usually causes the notorious instability of devices under UV irradiation. The discovery opens up a new dimension to utilize the 2D layered materials with a great variety of homostructrual or heterostructural atomic stacking architectures to be integrated with the fabrication of large‐area photovoltaic or optoelectronic devices based on the solution processes.
中文翻译:
具有扩展的紫外线稳定性的钙钛矿型太阳能电池二维二维二氧化钛自组装原子堆叠传输层
基于二氧化钛的2D原子片的新型原子堆叠输送层(ASTL)(钛1- δ Ò 2)被证明在有机-无机铅卤化物钙钛矿太阳能电池。二维二氧化钛的原子薄ASTL是使用溶液处理的自组装原子逐层沉积技术制造的,具有高紫外线透明性和可忽略不计的(或非常低的)氧空位的独特特征,这使其成为有前途的稳定和高性能钙钛矿太阳能电池开发中的电子传输材料。特别是,与常规高温烧结的TiO 2相比,二维二氧化钛原子片的可溶液处理的原子薄ASTL显示出对钙钛矿太阳能电池器件的UV降解的优异抑制作用。对应物,通常会在紫外线照射下导致设备出名的不稳定。这一发现开辟了一个新的领域,即利用具有多种同构或异构原子堆叠架构的二维分层材料,与基于解决方案工艺的大面积光伏或光电器件制造相集成。
更新日期:2017-09-13
中文翻译:
具有扩展的紫外线稳定性的钙钛矿型太阳能电池二维二维二氧化钛自组装原子堆叠传输层
基于二氧化钛的2D原子片的新型原子堆叠输送层(ASTL)(钛1- δ Ò 2)被证明在有机-无机铅卤化物钙钛矿太阳能电池。二维二氧化钛的原子薄ASTL是使用溶液处理的自组装原子逐层沉积技术制造的,具有高紫外线透明性和可忽略不计的(或非常低的)氧空位的独特特征,这使其成为有前途的稳定和高性能钙钛矿太阳能电池开发中的电子传输材料。特别是,与常规高温烧结的TiO 2相比,二维二氧化钛原子片的可溶液处理的原子薄ASTL显示出对钙钛矿太阳能电池器件的UV降解的优异抑制作用。对应物,通常会在紫外线照射下导致设备出名的不稳定。这一发现开辟了一个新的领域,即利用具有多种同构或异构原子堆叠架构的二维分层材料,与基于解决方案工艺的大面积光伏或光电器件制造相集成。