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Colloidal colorimetric microsensors enable the in‐situ detection of mechanical strains within materials. Enhancing the sensitivity of these sensors to small scale deformation while enabling reversibility of the sensing capability would expand their utility in applications including biosensing and chemical sensing. In this study, we introduce the synthesis of colloidal colorimetric nano‐sensors using...
Pseudocapacitive materials encapsulated in conductive carbon matrix are of paramount importance to develop energy storage devices with high performance and long lifespan. Here, via simple laser‐scribing, the Mn‐based metal–organic framework [EG‐MOF‐74(Mn)] is transformed into pseudocapacitive hybrid MnO/Mn7C3 encapsulated in highly conductive graphitic carbon. It is revealed that the rapid carbothermic...
It is demonstrated that, via V2O5 coating by low temperature atomic layer deposition and subsequent pyrolysis, ubiquitous cotton textile can readily turn into high‐surface‐area carbon textile fully decorated with pseudocapacitive VxOy/VC widely usable as electrodes of high‐performance supercapacitor. It is found that carbothermic reduction of V2O5 (C + V2O5 → C′ + VC + CO/CO2(g)) leads to chemical/mechanical...
In article number 1702702, Do Van Lam, Seung‐Mo Lee, and co‐workers produce a mechanically/chemically‐activated hybrid carbon textile fully decorated with pseudocapacitive VC/VxOy. Supercapacitors made of the hybrid textile exhibit greatly enhanced energy density (over 30 fold) and excellent cycle life compared to the pure carbonized textile.
A bass frequency response enhanced flexible polyvinylidene fluoride (PVDF) based thin film acoustic actuator is successfully fabricated. High concentrations of various zinc oxide (ZnO) is embedded in PVDF matrix, enhancing the β phase content and the dielectric property of the composite thin film. ZnO acts as a nucleation agent for the crystallization of PVDF. A chemical vapor deposition grown graphene...
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