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organic semiconductors

Understanding the double doping of organic semiconductors via state energy renormalization upon charging

R. Warren et al. | ACS Materials Lett. 4 (2022)

he double ionization of molecular dopants enables the doping efficiency (free charges per dopant molecule) to rise above 100%. However, the current models of doped organic semiconductors based on Fermi–Dirac statistics fail to explain the double ionization of dopants and also the analogous...

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perovskites

Electronic properties of metal halide perovskites and their interfaces: the basics

F. Zu et al. | Mater. Horiz. 9 (2021)

We have witnessed tremendous progress of metal halide perovskite (MHP)-based optoelectronic devices, especially in the field of photovoltaics. Despite intensive research in the past few years, questions still remain regarding their fundamental optoelectronic properties, among which the electronic...

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2D semiconductors

Low Temperature Heating of Silver-Mediated Exfoliation of MoS2

M. Heyl et al. | Adv. Mater. interfaces 9 (2022)

The need for high-quality large-scale monolayers of layered materials pushes the development of scalable gold-mediated exfoliations. Gold proves to be a suitable adhesive for exfoliation of several 2D materials. However, the extension to other noble metals remains underwhelming as gold outperforms...

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