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Achieving desirable charge‐transport highway is of vital importance for high‐performance organic solar cells (OSCs). Here, it is shown how molecular packing arrangements can be regulated via tuning the alkyl‐chain topology, thus resulting in a 3D network stacking and highly interconnected pathway for electron transport in a simple‐structured nonfused‐ring electron acceptor (NFREA) with branched alkyl...
Optical grating devices based on micro/nanostructured functional surfaces are widely employed to precisely manipulate light propagation, which is significant for information technologies, optical data storage, and light sensors. However, the parameters of rigid periodic structures are difficult to tune after manufacturing, which seriously limits their capacity for in situ light manipulation. Here,...