Front Cover: In article number 1700291, Eva Malmström and co-workers report the hopping of charge carriers between reduced graphene oxide flakes separated by polymer grafts. Nanocomposites containing polymer-grafted rGO exhibit tunable nonlinear resistivities and rapidly change from electrically insulating to conducting with increasing voltage. Such nanocomposites can distribute the electrical stresses and are therefore interesting as tunable field-grading materials for compact HVDC cable accessories, soft electronics, and wearables. Cover image design: Martin Wåhlander.
from # All Medicine by Alexandros G. Sfakianakis via alkiviadis.1961 on Inoreader http://ift.tt/2fOeh4B
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