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Flexible, H-bond mediated bromophenol blue/poly(vinyl alcohol) composite for efficient laser filter application

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Abstract

Dye/polymer composites have found immense importance in the optoelectronics device applications in the last few years. Here, we report fabrication of flexible, self-standing, multiband laser-filters based on bromophenol blue (BPB)/polyvinyl alcohol (PVA) composite films. Structural, mechanical and optical properties of the BPB/PVA (0.1, 1.0 and 2.0 wt% BPB) composites were investigated. Alterations in the physical properties of the composites have been supported by the structural analysis (XRD and FTIR). Modified optical band gap and the flexibility of the composites have been studied thoroughly. The composite films have been successfully used as high power laser blocking filter applicable in multiple wavelength bands. A fabricated 2.0 wt% BPB/PVA composite film of thickness 250 ± 30 µm can block and withstand high power laser (5.7 mW) for a long period of time. Therefore, these flexible, tunable, multiband laser-filters can be suitably used in modern optoelectronics applications.

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Acknowledgements

Authors acknowledge Dr. Pallab Dutta, CHEST, IIEST, Shibpur for facilitating stress-strain measurement equipment.

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Correspondence to Navonil Bose or Mousumi Basu.

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The authors have no relevant financial or non-financial interests to disclose. The authors have no conflicts of interest to declare that are relevant to the content of this article. All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript. The authors have no financial or proprietary interests in any material discussed in this article.

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Ghoshal, D., Bhattacharya, D., Mondal, D. et al. Flexible, H-bond mediated bromophenol blue/poly(vinyl alcohol) composite for efficient laser filter application. Opt Quant Electron 54, 13 (2022). https://doi.org/10.1007/s11082-021-03364-2

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  • DOI: https://doi.org/10.1007/s11082-021-03364-2

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