US 11,921,048 B2
Nanocomposite nanostructure-based surface-enhanced Raman scattering respiratory droplet mask sensor and fabrication method therefor
Ki-Hun Jeong, Daejeon (KR); and Charles Soon Hong Hwang, Daejeon (KR)
Assigned to Korea Advanced Institute of Science and Technology, Daejeon (KR)
Filed by Korea Advanced Institute of Science and Technology, Daejeon (KR)
Filed on Oct. 28, 2022, as Appl. No. 18/050,551.
Claims priority of application No. 10-2022-0086534 (KR), filed on Jul. 13, 2022.
Prior Publication US 2024/0019376 A1, Jan. 18, 2024
Int. Cl. G01N 21/65 (2006.01)
CPC G01N 21/658 (2013.01) 20 Claims
OG exemplary drawing
 
1. A fine particle trapping sensor for trapping fine particles, the sensor comprising:
a plasmonic hotspot layer formed of a first metal, wherein the plasmonic hotspot layer comprises nanoisland structures; and
a trapping layer formed of a second material, wherein the trapping layer is deposited on a surface of the plasmonic hotspot layer.