DNA-CTMA-Rh 610: a promising material for biolasers

Ileana Rau; Adrian Petris; Petronela Gheorghe

doi:10.1117/12.2615760

7 March 2022 DNA-CTMA-Rh 610: a promising material for biolasers

Ileana Rau, Adrian Petris, Petronela Gheorghe

Author Affiliations +

Proceedings Volume PC11998, Organic Photonic Materials and Devices XXIV; PC1199809 (2022) https://doi.org/10.1117/12.2615760
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

The deoxyribonucleic acid (DNA) – a new “green” biomaterial is intensively studied in the last years, due to its promising applications in organic photonics and organic opto-electronics. The light emission properties of the solutions in butanol of the biopolymer complex formed by deoxyribonucleic acid (DNA) – cetyltrimethylammonium chloride (CTMA) surfactant doped with different concentrations of Rhodamine 610 (Rh610) dye were investigated. We will present our results concerning several important parameters of the laser emission process, meaning the emission wavelength, the threshold and the efficiency of the lasing. The influence of the biopolymer environment on the lasing was assessed by a comparative study of laser emission in solutions of Rh610 in butanol, at the same concentrations, with and without DNA-CTMA. Acknowledgement This work was supported by a grant of the Romanian Ministry of Research, Innovation and Digitization, CCCDI-UEFISCDI, project number PN-III-P2-2.1-PED-2019-2

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Ileana Rau, Adrian Petris, and Petronela Gheorghe "DNA-CTMA-Rh 610: a promising material for biolasers", Proc. SPIE PC11998, Organic Photonic Materials and Devices XXIV, PC1199809 (7 March 2022); https://doi.org/10.1117/12.2615760

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