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Twisted Homobilayers
In article number 2305200, Pengfei Qi, Zheyu Fang, and co‐workers have systematically studied the nonequilibrium dynamics of indirect exciton in homobilayers. The homobilayers with slightly twist‐angle can induce a deep moiré potential (>50 meV) in energy landscape, resulting in a strongly localized moiré excitons insulating the transport dynamics from phonons and disorder...
Artificially molding exciton flux is the cornerstone for developing promising excitonic devices. In the emerging hetero/homobilayers, the spatial separated charges prolong exciton lifetimes and create out‐plane dipoles, facilitating electrically control exciton flux on a large scale, and the nanoscale periodic moiré potentials arising from twist‐angle or/and lattice mismatch can substantially alter...
In this study, flexible thermoelectric coolers (FTECs) are used to develop an alternative personalized cooling technology to achieve a large temperature drop of 10 °C and cooling capacity of 256 W m–2. Such an excellent cooling performance is attributed to the innovative design of the quadra‐layered Ag2Se/poly(3,4‐ethylenedioxythiophene) polystyrene sulfonate structure in FTECs and the induced air...
Ultra high voltage direct current (UHVDC) hierarchical connection to AC grid mode has the advantages of leading flow reasonable distribution and improving voltage support capability of receiving-end system. But the DC transmission system based on line-commutated inverter has the inherent voltage stability problem. This paper focuses on the voltage stability of AC-DC system under UHVDC hierarchical...
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