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Advanced filters: Author: Mathias Uller Rothmann Clear advanced filters

Direct observation of intrinsic twin domains in tetragonal CH₃NH₃PbI₃

Using low dose transmission electron microscopy, Rothmann, Li, Zhuet al. report direct evidence for twin domains in tetragonal CH₃NH₃PbI₃perovskite. The relevant scale and transition temperature of these twin domains could have implications for perovskite solar cells.

Mathias Uller Rothmann
Wei Li
Yi-Bing Cheng
ResearchOpen Access23 Feb 2017
Nature Communications

Volume: 8, P: 1-8
Tailoring nanoscale interfaces for perovskite–perovskite–silicon triple-junction solar cells

‘Ultrathin’ gold interlayers are shown to form nanoparticles that balance optical losses and electrical contact, enabling efficient perovskite–perovskite integration for scalable and durable triple-junction photovoltaics.

Jianghui Zheng
Guoliang Wang
Anita W. Y. Ho-Baillie
ResearchOpen Access07 Oct 2025
Nature Nanotechnology

Volume: 20, P: 1648-1655
The critical role of composition-dependent intragrain planar defects in the performance of MA₁_–_xFA_xPbI₃ perovskite solar cells

The role of intragrain planar defects in halide perovskite solar cell devices remains elusive. Now, Li et al. tune the composition of the perovskite layer to minimize the planar defect density and observe an improvement in the device performance.

Wei Li
Mathias Uller Rothmann
Joanne Etheridge
Research14 Jun 2021
Nature Energy

Volume: 6, P: 624-632