Optical properties of ternary TeO2-B2O3-ZnO glass system.
A series of ternary tellurite based glasses [(TeO2)70 (B203)30]100-x [ZnO]x glasses with different compositions of ZnO (x= 5 to 30 wt.% in steps of 5 wt.%) have been synthesized by melt quenching method. The role of ZnO to the glasses structure was studied by IR spectroscopy. FTIR spectra revealed b...
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| Format: | Article |
| Language: | English |
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IOP Science
2011
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| Online Access: | http://psasir.upm.edu.my/id/eprint/25037/ http://psasir.upm.edu.my/id/eprint/25037/1/Optical%20properties%20of%20ternary%20TeO2.pdf |
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| author | J. N., Farhana Ayuni Mohamed Kamari, Halimah Talib, Zainal Abidin Abd. Aziz, Sidek Wan Yusoff, Wan Mohamad Daud Matori, Khamirul Amin Abd. Wahab, Zaidan |
| author_facet | J. N., Farhana Ayuni Mohamed Kamari, Halimah Talib, Zainal Abidin Abd. Aziz, Sidek Wan Yusoff, Wan Mohamad Daud Matori, Khamirul Amin Abd. Wahab, Zaidan |
| author_sort | J. N., Farhana Ayuni |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | A series of ternary tellurite based glasses [(TeO2)70 (B203)30]100-x [ZnO]x glasses with different compositions of ZnO (x= 5 to 30 wt.% in steps of 5 wt.%) have been synthesized by melt quenching method. The role of ZnO to the glasses structure was studied by IR spectroscopy. FTIR spectra revealed broad, weak and strong absorption bands in the investigated range of wavenumber from 280-4000 cm-1 which associated with their corresponding bond modes of vibration and the glass structure. The indirect optical band gap and the direct optical band gap are in the range 2.08-3.12 and 1.54-2.36 eV, respectively. A decrease in the values of energy band gap Eg may come down to the reason that the non-bridging oxygen ion content increases with increasing ZnO content and shifting the band edge to lower energies. The optical band gap and Urbach energies were calculated from the absorption spectra measured between 190 and 900 nm at room temperature. The refractive index, n of the glasses change from 1.84-2.00 while the molar refractivities decrease from 13.06 to 12.00 with the increase of ZnO in mol%. |
| first_indexed | 2025-11-15T08:43:02Z |
| format | Article |
| id | upm-25037 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T08:43:02Z |
| publishDate | 2011 |
| publisher | IOP Science |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-250372016-02-10T07:13:02Z http://psasir.upm.edu.my/id/eprint/25037/ Optical properties of ternary TeO2-B2O3-ZnO glass system. J. N., Farhana Ayuni Mohamed Kamari, Halimah Talib, Zainal Abidin Abd. Aziz, Sidek Wan Yusoff, Wan Mohamad Daud Matori, Khamirul Amin Abd. Wahab, Zaidan A series of ternary tellurite based glasses [(TeO2)70 (B203)30]100-x [ZnO]x glasses with different compositions of ZnO (x= 5 to 30 wt.% in steps of 5 wt.%) have been synthesized by melt quenching method. The role of ZnO to the glasses structure was studied by IR spectroscopy. FTIR spectra revealed broad, weak and strong absorption bands in the investigated range of wavenumber from 280-4000 cm-1 which associated with their corresponding bond modes of vibration and the glass structure. The indirect optical band gap and the direct optical band gap are in the range 2.08-3.12 and 1.54-2.36 eV, respectively. A decrease in the values of energy band gap Eg may come down to the reason that the non-bridging oxygen ion content increases with increasing ZnO content and shifting the band edge to lower energies. The optical band gap and Urbach energies were calculated from the absorption spectra measured between 190 and 900 nm at room temperature. The refractive index, n of the glasses change from 1.84-2.00 while the molar refractivities decrease from 13.06 to 12.00 with the increase of ZnO in mol%. IOP Science 2011 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/25037/1/Optical%20properties%20of%20ternary%20TeO2.pdf J. N., Farhana Ayuni and Mohamed Kamari, Halimah and Talib, Zainal Abidin and Abd. Aziz, Sidek and Wan Yusoff, Wan Mohamad Daud and Matori, Khamirul Amin and Abd. Wahab, Zaidan (2011) Optical properties of ternary TeO2-B2O3-ZnO glass system. IOP Conference Series: Materials Science and Engineering, 17 (012027). p. 7. ISSN 1757-899X http://dx.doi.org/10.1088/1757-899X/17/1/012027 10.1088/1757-899X/17/1/012027 |
| spellingShingle | J. N., Farhana Ayuni Mohamed Kamari, Halimah Talib, Zainal Abidin Abd. Aziz, Sidek Wan Yusoff, Wan Mohamad Daud Matori, Khamirul Amin Abd. Wahab, Zaidan Optical properties of ternary TeO2-B2O3-ZnO glass system. |
| title | Optical properties of ternary TeO2-B2O3-ZnO glass system. |
| title_full | Optical properties of ternary TeO2-B2O3-ZnO glass system. |
| title_fullStr | Optical properties of ternary TeO2-B2O3-ZnO glass system. |
| title_full_unstemmed | Optical properties of ternary TeO2-B2O3-ZnO glass system. |
| title_short | Optical properties of ternary TeO2-B2O3-ZnO glass system. |
| title_sort | optical properties of ternary teo2-b2o3-zno glass system. |
| url | http://psasir.upm.edu.my/id/eprint/25037/ http://psasir.upm.edu.my/id/eprint/25037/ http://psasir.upm.edu.my/id/eprint/25037/ http://psasir.upm.edu.my/id/eprint/25037/1/Optical%20properties%20of%20ternary%20TeO2.pdf |