Comment on 'Tremendously enhanced photocurrent enabled by triplet–triplet annihilation up-conversion for high-performance perovskite solar cells'

Nienhaus Lea; Schmidt Timothy W.

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Comment on 'Tremendously enhanced photocurrent enabled by triplet–triplet annihilation up-conversion for high-performance perovskite solar cells'

机译：评论'通过三重三胶质歼灭使得高性能普罗旺斯太阳能电池的Triplet-Triplet湮灭膨胀转换巨大增强了光电流

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Sheng et al. (2021) report an increase in the power conversion efficiency of a methylammonium lead iodide perovskite solar cell, which they have attributed to the benefits of in situ perovskite-sensitized upconversion by triplet-triplet annihilation in the organic semiconductor rubrene. In the following, we will discuss why in the device structure presented here upconversion inherently cannot be the underlying cause of the observed effects. Rather, the process of upconversion can fundamentally only lead to a reduction of the device efficiency if the same material is used as the active layer in the photovoltaic devices and as the triplet sensitizer. Therefore, the improved photovoltaic performance must have a different root cause. We follow up with an alternative interpretation for the performance increase observed by the authors.

机译：盛等人。（2021）报告了甲基铅碘化碘化物钙钛矿太阳能电池的功率转化效率的增加，它们归因于在有机半导体卷曲中的三态 - 三态湮灭在原位钙钛矿敏化上转化的益处。在下文中，我们将讨论为什么在这里呈现的设备结构中的升级性地是观察到的效果的潜在原因。相反，如果使用相同的材料作为光伏器件中的有源层并且作为三重态敏化剂，则上变化的过程可以基本上仅导致装置效率降低。因此，改善的光伏性能必须具有不同的根本原因。我们跟进了作者观察到的表现增加的替代解释。

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《Energy & environmental science》 |2021年第11期|6050-6052|共3页
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Nienhaus Lea; Schmidt Timothy W.;
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Florida State Univ Dept Chem & Biochem Tallahassee FL 32306 USA;

UNSW Sch Chem ARC Ctr Excellence Exciton Sci Sydney NSW Australia;

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4. Reply to the ‘Comment on 'Tremendously enhanced photocurrent enabled by triplet–triplet annihilation up-conversion for high-performance perovskite solar cells'' [J] . Sheng Wangping, Yang Jia, Li Xiang, Energy & environmental science . 2021,第11期

机译：回复“评论”通过Triplet-Triplet Annipilation Up-Converion进行高性能佩罗夫斯基岩太阳能电池的转换来回复'评论'巨大增强的光电流。
5. Tremendously enhanced photocurrent enabled by triplet–triplet annihilation up-conversion for high-performance perovskite solar cells [J] . Sheng Wangping, Yang Jia, Li Xiang, Energy & environmental science . 2021,第6期

机译：通过Triplet-Triplet湮灭使得高性能钙钛矿太阳能电池的转换巨大增强了光电流
6. Photocurrents of solar cells sensitized by aggregate-forming polyenes: Enhancement due to suppression of singlet-triplet annihilation by lowering of dye concentration or light intensity [J] . Wang XF, Koyama Y, Nagae H, Chemical Physics Letters . 2006,第4a6期

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7. Plasmon enhancement of triplet-triplet annihilation-basedupconversion using C70 fullerene as sensitizer [C] . Takuho Matsui, Satoshi Yoshinari, Shota Jin 日本化学会春季年会 . 2020

机译：使用C70富勒烯作为敏化剂的三联 - 三联湮灭 - 基于三联 - 三联湮灭的等离子体增强
8. Gold Nanoclusters as Upconversion Sensitizers Via Triplet-triplet Annihilation [D] . Yan, Titania. 2018

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机译：集成三重态-三重态an灭上转换系统，以增强染料敏化太阳能电池对亚带隙光的响应
11. Triplet-Triplet Annihilation by Diffusive Encounter of Benzophenone Triplets in Benzene Solution. [R] . Fang, T. S., Fukuda, R., Brown, R. E., 1977

机译：二苯甲酮在苯溶液中扩散遇到的三重态 - 三重态湮灭。

Comment on 'Tremendously enhanced photocurrent enabled by triplet–triplet annihilation up-conversion for high-performance perovskite solar cells'

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