Open Access
Madhura S. Walujkar
Pooja Moreb
Sharda R. Gadale
Shobha. A. Waghmode
- Yashwantrao Mohite College of Arts, Science & Commerce, Pune b Savitribai Phule Pune University, Pune Maharashtra India
- Savitribai Phule Pune University, Pune Maharashtra India
- Yashwantrao Mohite College of Arts, Science & Commerce, Pune Maharashtra India
- MES, Abasaheb Garware College, Karve Road, Pune Maharashtra India
Abstract
Green synthesis of nanoparticles is inexpensive and environmentally safe, herein we report green approach for the synthesis of Ag, Fe2O3, CuO nanoparticles by using Asparagus Racemosus plant to detect carboxylate vapours. Synthesized Ag, Fe2O3, CuO nanoparticles were taken in 1:1:1 ratio and PANI (polyaniline) was added in ratio 5:1 to form Ag-Fe2O3-CuO–PANI nanocomposite. Synthesized Ag-Fe2O3-CuO-PANI were characterized by XRD, FESEM and FTIR whose size was in the range of 16–60 nm. Further, a low cost and portable optical fibre-based sensor was developed using Ag-Fe2O3-CuO-PANI nanocomposite which was coated on unclad optical fibre, in which change in refractive index after exposure to carboxylic acid vapours was measured for 25-200 ppm concentration for Apple vinegar, Vinegar and Lemon juice. Carboxylic acid vapours of Apple vinegar showed the maximum response with optimized Ag-Fe2O3-CuO-PANI nanocomposite thickness 11.39 µm on the clad, length of 10 mm with U-shaped sensing probe with 8 mm bent radius.
Keywords: Biomaterial, adsorption, Nanocomposite, Optical, sensor
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Journal of Polymer and Composites
| Volume | |
| Received | February 6, 2024 |
| Accepted | April 18, 2024 |
| Published | May 9, 2024 |