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Luminescent Solar Soncentrators
In article number 2210357, Sung‐Min Lee, Seungwoo Lee, Hyo Jin Kim, and co‐workers present strategically designed luminescent solar concentrators (LSCs) that can enhance the photovoltaic output power of flexible double‐junction III‐V solar cells. The optimal LSC configuration augments balanced photocurrents of subcells, thereby reporting up to a 50% increase in their...
Despite the remarkable advantages of luminescent solar concentrators (LSCs), their application has not been of interest in ultrahigh efficient photovoltaic modules such as multi‐junctions and related two‐terminal tandems due to challenging issues limiting the cell capability and impeding the output current. Here type of multi‐junction LSC photovoltaics is presented that consists of transfer‐printed...
The parallelization of multiple microfluidic droplet junctions has been successfully achieved so that the production throughput of the uniform microemulsions/particles has witnessed considerable progress. However, these advancements have been observed only in the case of a low viscous fluid (viscosity of 10−2–10−3 Pa s). This study designs and fabricates a microfluidic device, enabling a uniform micro‐emulsification...
Ultraviscous Fluids
In article number 2205001 by Seungwoo Lee and co‐workers, a 2D branched droplet microfluidic device for ultraviscous fluid is designed and fabricated. Parallelly arranged 64 T‐junctions compose the droplet microfluidic device. Each junction is specifically designed based on hydraulic resistance. Through the device, the fluid with a viscosity of 3.5 Pa.s (i.e., polydimethylsiloxane...
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