Spectroscopic and color chromaticity analysis of rhodamine 6G dye-doped PVA polymer composites for color tuning applications

• Published in: Polymer bulletin (Berlin, Germany) Vol. 78; no. 8; pp. 4569 - 4592
• Main Authors: Nandimath, Madhavi, Bhajantri, Rajashekhar F., Naik, Jagadish
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 01-08-2021; Springer Nature B.V
• Subjects: Characterization and Evaluation of Materials; Chemistry; Chemistry and Materials Science; Chromaticity; Color; Complex Fluids and Microfluidics; Dyes; Fourier transforms; Light emitting diodes; Optical properties; Optics; Optoelectronics; Organic Chemistry; Organic light emitting diodes; Original Paper; Photoluminescence; Physical Chemistry; Polymer films; Polymer matrix composites; Polymer Sciences; Polymers; Polyvinyl alcohol; Rhodamine 6G; Room temperature; Soft and Granular Matter; Spectrum analysis; India; Polymer; Composites; Poly(vinyl alcohol); CIE diagram; Rhodamine 6G; Photoluminescence
• ISSN: 0170-0839; 1436-2449
• DOI: 10.1007/s00289-020-03332-y

Herein we report the successful fabrication of highly flexible, reversibly stretchable and transparent rhodamine 6G/poly(vinyl alcohol) (Rh6G/PVA) polymer composite (PC) films using a user-friendly solution casting method by adding different amounts, viz. 0, 0.5, 1, 1.5 and 2 wt%, of Rh6G dye. The FTIR studies reveal that an interaction between PVA matrix and added Rh6G dye and room-temperature photoluminescence (RTPL) emission intensity is decreased with the increase in the
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is observed from DSC thermograms. The developed films show appreciable optical and RTPL properties as established by a UV–visible and fluorescence techniques such that the electronic spectral studies substantiate the changes in electronic band structure of PC films, leading to appreciable changes in the optoelectronic properties. These prepared films with excellent optoelectronic properties alongside appreciable flexibilities and stretchabilities aid their applications to organic light emitting diodes (OLED) with enhanced RTPL studies.
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