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DNA-CTMA Matrix Influence on Rhodamine 610 Light Emission in Thin Films.

Adrian Petris¹, Petronela Gheorghe¹, Ileana Rău²

¹National Institute for Laser, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Romania.

|July 29, 2023

Summary

This summary is machine-generated.

This study explores eco-friendly deoxyribonucleic acid (DNA) biopolymer films doped with Rhodamine 610. The DNA-CTMA matrix actively influences Rhodamine 610

Keywords:

DNA Rhodamine 610 biocomposites biopolymers photobleaching

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Area of Science:

Materials Science
Biophysics
Optics

Background:

Growing demand for novel laser sources with tunable wavelengths and good beam quality.
Environmental concerns drive interest in eco-friendly optical materials.
Deoxyribonucleic acid (DNA) biopolymers are explored as active optical materials.

Purpose of the Study:

Investigate temporal transmittance and light emission of DNA-CTMA-Rhodamine 610 films.
Assess the influence of the DNA-CTMA matrix on Rhodamine 610 optical properties.
Compare film properties with solutions to understand matrix effects.

Main Methods:

Fabrication of thin films of DNA-CTMA-Rhodamine 610 at varying concentrations.
Illumination of films and solutions with continuous wave laser light at 532 nm.
Measurement of temporal transmittance and fluorescence emission.

Main Results:

The DNA-CTMA matrix significantly influences Rhodamine 610 fluorescence emission across all concentrations.
Temporal transmittance and emission properties were characterized under 532 nm laser excitation.
Comparison with solutions highlights the active role of the DNA-CTMA matrix.

Conclusions:

DNA-CTMA-Rhodamine 610 films exhibit tunable optical properties influenced by the biopolymer matrix.
These eco-friendly materials show potential for applications in laser technology.
The DNA-CTMA matrix is crucial for modulating the photophysical behavior of Rhodamine 610.