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Optical cooling by interfacial charge transfer in 2D heterostructures

24 June 2026 at 01:00

Nature, Published online: 24 June 2026; doi:10.1038/s41586-026-10662-w

Optical cooling in two-dimensional semiconductor heterostructures is demonstrated through phonon-assisted interfacial charge transfer, enabling cryogen-free thermal management without stringent quantum-efficiency requirements.

Ductile alloys offering 100 MPa tensile strength at 2,400 Β°C

24 June 2026 at 01:00

Nature, Published online: 24 June 2026; doi:10.1038/s41586-026-10708-z

A boron-stabilized oxide-strengthened tantalum alloy combines exceptional room-temperature ductility with record ultrahigh-temperature strength, enabling load-bearing applications above 2,000 °C.

Synergistically Facilitate Charge Dynamics and Suppress Energetic Disorder via Tailoring Solid Additive Substituents for Efficient Organic Solar Cells Over 21%

Energy Environ. Sci., 2026, Accepted Manuscript
DOI: 10.1039/D6EE01222A, Paper
Xiaoyu Mou, Jvfang Liang, Keli Shi, Sangjin Yang, Jeewon Park, Shucheng Qin, Qianqian Zhao, Jianping Chen, Xingchen Hu, Jintong Sun, Jia Yao, Can Zhu, Lian Zhong, Jing Guo, JINYUAN ZHANG, Erjun Zhou, Zhi-Guo Zhang, Changduk Yang, Beibei Qiu, Yongfang Li
Simultaneously minimizing energy loss and optimizing charge dynamics remains a central challenge for further boosting the photovoltaic performance of organic solar cells (OSCs). As a key parameter controlling charge generation,...
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