Journal
SMALL
Volume 19, Issue 12, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202206169
Keywords
crystals; devices; piezoresistance; plastic flexibility; supramolecular
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Organic materials have potential for efficient sensor development in medicinal and material science applications. Single crystals of 4CFNCS exhibit plastic deformation when bent, twisted, or coiled, which is confirmed by synchrotron micro-focus X-ray diffraction mapping. These crystals are incorporated into a flexible piezoresistive sensor using a composite of PEDOT: PSS/4CFNCS, showing impressive performance at high-pressure ranges (sensitivity 0.08 kPa(-1) above 44 kPa).
Organic materials are promising candidates for the development of efficient sensors for many medicinal and materials science applications. Single crystals of a small molecule, 4-trifluoromethyl phenyl isothiocyanate (4CFNCS), exhibit plastic deformation when bent, twisted, or coiled. Synchrotron micro-focus X-ray diffraction mapping of the bent region of the crystal confirms the mechanism of deformation. The crystals are incorporated into a flexible piezoresistive sensor using a composite constituting PEDOT: PSS/4CFNCS, which shows an impressive performance at high-pressure ranges (sensitivity 0.08 kPa(-1) above 44 kPa).
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