Laser-induced fibers and copper phthalocyanine modified laser-induced graphene electrodes for sensitive and selective electrochemical detection of nitrite.

ABSTRACT: We have recently reported laser-induced fibers (LIF) as a promising nanomaterial that possesses good electrochemical activity and are easily manufacturable. In this paper, for the first time, the application of LIF as functionalization materials on laser-induced graphene (LIG) electrodes for the detection of nitrate is demonstrated. The as-fabricated LIF surfaces on Kapton were extracted by ultrasonication as a dispersion and were used to modify the surface of the LIG electrode. An enhancement in active surface area from 0.669 cm² for bare LIG to 0.83 cm² for LIF-modified LIG was observed. Similarly, the heterogeneous electron transfer rate increased from 0.190 to 0.346 cm s^-1 for LIF/LIG electrodes. The electrochemical detection of nitrite was achieved by

SUBMITTER: Adiraju A 

PROVIDER: S-EPMC11381946 | biostudies-literature | 2024 Sep

REPOSITORIES: biostudies-literature