Electrically conductive networks made of carbon nanoparticles by laser formation method

Alexander Yu. Gerasimenko

doi:10.1117/12.2592537

18 April 2021 Electrically conductive networks made of carbon nanoparticles by laser formation method

Alexander Yu. Gerasimenko

Proceedings Volume 11769, Metamaterials XIII; 117690S (2021) https://doi.org/10.1117/12.2592537
Event: SPIE Optics + Optoelectronics, 2021, Online Only

Abstract

The laser technology has been developed for fabricating structures from composite layers based on biopolymers: albumin, collagen, and chitosan with single-walled carbon nanotubes (SWCNT). The structures are intended for cardiovascular devices and tissue-engineered implants. The composite layers were fabricated due to the phase transition of biopolymers and SWCNT aqueous dispersion under the influence of laser pulses with the developed laser setup. At the same time conductive networks of SWCNT were formed in the biopolymer matrix. The threshold energy fluence of laser pulses was determined (0.032-0.083 J/cm²) at which a bimodal distribution of pores was observed. Elecrtical conductivity of composite layers was obtained, conductivity values for layers fabricated by laser were higher (12.4 S/m) than those for layers by thermostat (4.7 S/m).

Conference Presentation

Citation Download Citation

Alexander Yu. Gerasimenko "Electrically conductive networks made of carbon nanoparticles by laser formation method", Proc. SPIE 11769, Metamaterials XIII, 117690S (18 April 2021); https://doi.org/10.1117/12.2592537

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