One-dimensional PMMA–V2O5 photonic crystals used as color indicators of chloroform vapors
| Autor: | B. Georgieva, Katerina Lazarova, M. Spassova, Tsvetanka Babeva, R. Georgiev, Nikola Malinowski, M. Vasileva |
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| Rok vydání: | 2016 |
| Předmět: |
chemistry.chemical_classification
Fabrication Materials science Chloroform business.industry 02 engineering and technology Polymer 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Atomic and Molecular Physics and Optics 0104 chemical sciences Electronic Optical and Magnetic Materials Characterization (materials science) chemistry.chemical_compound Optics chemistry Stack (abstract data type) Optoelectronics Electrical and Electronic Engineering Methyl methacrylate 0210 nano-technology Porosity business Photonic crystal |
| Zdroj: | Optical and Quantum Electronics. 48 |
| ISSN: | 1572-817X 0306-8919 |
| DOI: | 10.1007/s11082-016-0577-z |
| Popis: | The fabrication and characterization of one-dimensional photonic crystals (1D-PC) in the form of quarter-wavelength multilayered stack (Bragg stack) are presented. The 1D-PC comprises alternatively deposited spin-coated polymer PMMA (Poly(methyl methacrylate)) films as low-refractive index material that change thickness upon exposure to chloroform vapors, and both dense and porous V2O5 films providing both high optical contrast. The possibility of using PMMA–V2O5 structure as an omnidirectional reflector in both cases is confirmed experimentally. Besides, the prospect of utilizing the studied structures as optical indicators of chloroform vapors is demonstrated and discussed. |
| Databáze: | OpenAIRE |
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