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| 1 | 光电转换率超过12%的含氯非富勒烯受体基有机光伏器件显示文摘末端基团的氟化能显著改善有机受体材料的光电性能并已实现了广泛的应用。相比之下,氯化策略被关注得较少且对有机光伏电池的影响仍不明确。这里,我们报道了一个以苯并三唑为缺电子核及2Cl-IC为末端基团的新型非富勒烯受体Y19。Y19表现了优异的光学及电化学性质。Y19的薄膜吸收边带为948 nm,LUMO能级水平为−3.95 eV。基于PM6:Y19的光伏器件实现了12.76%的能量转换效率,其开路电压为0.84 V,短路电流密度为22.38 mA/cm2,填充因子为0.68。优化后的活性层有理想的形貌并且电子迁移率达到6.52×10−4 cm2/(V·s)。EQE测试表明外部量子效率在480~860 nm的范围内超过了60%。这一研究表明氯化作为一种低成本的分子设计策略在一定程度上也能改善光伏性能。 | 曹睿 陈瑜 蔡方方 陈泓钢 刘玮 管慧兰 魏擎亚 李静 常秦 李哲 邹应萍 | 2020 | Journal of Central South University2020，27，12： | 1 |
| 2 | The Nano Research Young Innovators(NR45)Awards in nanoenergy显示文摘Following the success of the inaugural 2018 Nano Research Young Innovators(NR45)Awards in nanobiotechnology[1],it is our great pleasure to announce the recipients of the 2019 NR45 Awards in nanoenergy.Congratulations to all the 44 outstanding young investigators under the age of 45.They were selected through a competitive process by an award committee from the journals editorial board.Nano Research launched the NR45 Awards program to feature young researchers in various fields of nanoscience and nanotechnology,in recognition of their distinguished accomplishments and/or potential to make substantial contributions to their fields. | Hailiang Wang Hongjie Dai | 2019 | Nano Research2019，12，9： | 0 |
| 3 | Control of vertical phase separation in high performance non-fullerene organic solar cell by introducing oscillating stratification preprocessing显示文摘Non-fullerene organic solar cell(NFOSC)has attracted tremendous attention due to their great potential for commercial applications.To improve its power conversion efficiency(PCE),generally,sequential solution deposition(SSD)methods have been employed to construct the graded vertical phase separation(VPS)of the bulk-heterojunction(BHJ)active layer for efficient exciton separation and charge transition.However,a variety of orthogonal solvents used in the SSD may lead to the unpredicted change in the BHJ morphology and introduce additional defects inside the BHJ bulk thus complicate the fabrication process.Here,a simple oscillating stratification preprocessing(OSP)is developed to facilitate the formation of graded VPS among the BHJ layer.As a result,a significant improvement is obtained in PCE from 10.96%to 12.03%,which is the highest value reported among PBDB-T:ITIC based NFOSC. | Dayong Zhang Pu Fan Jinyu Shi Yifan Zheng Jian Zhong Junsheng Yu | 2021 | Nano Research2021，14，5： | 0 |
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