Patent · US Active

Ultrafast colorimetric humidity sensor and method of preparing the same

US11371945B2 · kind B2 · utility

1Cited by
3References
13Claims
0Family size

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Inventors

Key dates

Filing dateNov 20, 2019
Grant dateJun 28, 2022
Priority date
Expiry dateMay 5, 2040

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N21/78
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present disclosure relates to a colorimetric humidity sensor and a method of preparing the same, and in the colorimetric humidity sensor that is an ultrafast colorimetric humidity sensor including a colorimetric member including humidity-responsive particles configured in a disordered monolayer arrangement on a substrate, the humidity-responsive particles are amorphous, porous, and polydispersed microspheres, and the colorimetric humidity sensor indicates a color change according to humidity upon light irradiation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.