US 12,235,230 B2
Carbon-based optical sensor element for measuring greenhouse gas concentration
Young Suk Oh, Seogwipo-si (KR); Su Ryon Shin, Wellesley, MA (US); Hyun Young Jung, Jinju-si (KR); Sang Won Joo, Seogwipo-si (KR); Hae Young Lee, Seogwipo-si (KR); Chang Kee Lee, Seoul (KR); Yeon Hee Kim, Seogwipo-si (KR); and Chu Yong Chung, Seogwipo-si (KR)
Assigned to National Institute of Meteorological Sciences, Seogwipo-si (KR)
Filed by National Institute of Meteorological Sciences, Seogwipo-si (KR)
Filed on Apr. 13, 2022, as Appl. No. 17/719,623.
Prior Publication US 2023/0168213 A1, Jun. 1, 2023
Int. Cl. B82Y 15/00 (2011.01); G01N 23/227 (2018.01); G01N 33/00 (2006.01)
CPC G01N 23/227 (2013.01) [B82Y 15/00 (2013.01); G01N 33/0036 (2013.01); G01N 2223/084 (2013.01); G01N 2223/638 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An optical sensor element comprising:
a graphite column comprising two or more graphite rods;
one or more first graphene layers partially or entirely covering each of first and second ends of the graphite column; and
one or more second graphene layers partially or entirely covering an outer circumferential surface of the graphite column.