SINTESIS DAN OPTIMASI SIFAT FOTOLUMINESENS FOSFOR BCNO/SIO2 DENGAN MODIFIKASI SUMBER KARBON
Abstract
Dalam penggunaannya sebagai light emitting diode (LED) putih, fosfor Boron Carbon Oxy-Nitride Silika (BCNO/SiO2) terus dikembangkan sebagai alternatif penggunaan fosfor dengan oksida tanah jarang. Pada penelitian ini dilakukan proses sintesis fosfor BCNO/SiO2 dengan memanfaatkan bahan-bahan alam yang mudah ditemukan di Indonesia. Prekursor yang digunakan meliputi asam borat sebagai sumber boron dan urea sebagai sumber nitrogen, sedangkan sebagai sumber karbon digunakan pati dari tepung tapioka dan selulosa yang diekstraksi dari tanaman rami. Sintesis material fosfor BCNO/SiO2 dilakukan dengan metode sol-gel dengan perbandingan molar Nitrogen/Boron sebesar 20, dan komposisi karbon 3% dan 10% wt. Nanopartikel silika kemudian ditambahkan dengan perbandingan 3% wt. Kalsinasi dilakukan pada suhu 600°C selama 60 menit dalam kondisi tekanan atmosfer. Dengan penyinaran sinar UV didapatkan hasil bahwa pendaran dengan intensitas paling tinggi terjadi pada fosfor BCNO/SiO2 yang disintesis dengan sumber karbon pati dengan kandungan 100% wt dan nanopartikel silika 200 nm, dan juga fosfor BCNO/SiO2 yang disintesis dengan sumber karbon pati dengan kandungan 3% wt dan nanopartikel silika 50 nm dan 200 nm. Hasil penelitian ini menunjukkan bahwa material fosfor alternatif yang disintesis dengan cara sederhana dan temperatur rendah dapat menjadi kandidat yang menjanjikan untuk LED putih.
Within its usage for white light emitting diode (white-LED), Boron Carbon Oxy-Nitride Silica (BCNO/SiO2) phosphor is continuously being developed as an alternative to rare-earth oxide phosphor. In this research, the synthesis of BCNO/SiO2 phosphor is done by the use of natural resources that are easily found in Indonesia. The precursors used are boric acid as boron source, urea as nitrogen source, and starch from tapioca flour and cellulose extracted from ramie as carbon source. The synthesis process is carried out by sol-gel method with molar ratio of Nitrogen/Boron 20, and carbon composition 3% and 10% wt. Calcination process is carried out at 600°C temperature for 60 minutes under atmospheric pressure condition. Upon illumination under UV rays, the highest intensity occurred in the BCNO/SiO2 phosphor that was synthesized with 10% wt starch as carbon source and 200 nm silica nanoparticles, and in the BCNO/SiO2 phosphor that was synthesized with 3% wt starch as carbon source and silica nanoparticles with 50 nm and 200 nm in size. The outcome of this research showed that alternative phosphor material that was synthesized using facile method under low temperature could be a promising candidate for white-LED.
Keywords: Boron Carbon Oxy-Nitride (BCNO); silica nanoparticles; cellulose; white-LED.
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Ye, S., Xiao, F., Pan, Y. X., Ma, Y. Y., & Zhang, Q. Y. (2010). Phosphors in phosphor-converted white light-emitting diodes: Recent advances in materials, techniques and properties. Materials Science and Engineering R: Reports, 71(1), 1–34. https://doi.org/10.1016/j.mser.2010.07.001
Ohno, Y. (2004). Color rendering and luminous efficacy of white LED spectra, 5530, 88. https://doi.org/10.1117/12.565757
Pan, Y., Wu, M., & Su, Q. (2004). Comparative investigation on synthesis and photoluminescence of YAG:Ce phosphor. Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 106(3), 251–256. https://doi.org/10.1016/j.mseb.2003.09.031
Ogi, T., Kaihatsu, Y., Iskandar, F., Wang, W. N., & Okuyama, K. (2008). Facile synthesis of new full-color-emitting BCNO phosphors with high quantum efficiency. Advanced Materials, 20(17), 3235–3238.
Wang, W. N., Kaihatsu, Y., Iskandar, F., & Okuyama, K. (2009). Chemical and photoluminescence analyses of new carbon-based boron oxynitride phosphors. Materials Research Bulletin, 44(11), 2099–2102. https://doi.org/10.1016/j.materresbull.2009.07.007
Faryuni, I. D., Nuryadin, B. W., Iskandar, F., Abdullah, M., Khairurrijal, Ogi, T., & Okuyama, K. (2014). Synthesis and photoluminescence of BCNO/SiO2 nanocomposite phosphor materials. Journal of Luminescence, 148, 165–168. https://doi.org/10.1016/j.jlumin.2013.12.033
Alfatika, R., Nuruddin, A., Sunendar, B., Preparasi Fosfor Boron Carbon Oxynitride Silica untuk Aplikasi Emisi Cahaya Putih pada Light Emitting Diode, Tugas Sarjana, Fisika Teknik ITB, Bandung: 2013.
Nuryadin, B. W., Pratiwi, T. P., Iskandar, F., Abdullah, M., Khairurrijal, K., Ogi, T., & Okuyama, K. (2014). Photoluminescence optimization of BCNO phosphors synthesized using citric acid as a carbon source. Advanced Powder Technology, 25(3), 891–895. https://doi.org/10.1016/j.apt.2014.01.003
Satria, D., Sunendar, B., Modifikasi Morfologi Fosfor Boron Carbon Oxynitride Silica untuk Aplikasi White Light Emitting Diode, Tugas Sarjana, Teknik Material ITB, Bandung: 2015
Yudhistira, Y., Sunendar, B., Optimasi Morfologi dan Sifat Fotoluminesens Fosfor BCNO untuk Aplikasi Lampu LED Putih, Tugas Sarjana, Teknik Material ITB, Bandung: 201
Adinegoro, D., Sunendar, B., Pemanfaatan Selulosa dari Ampas Tebu sebagai Sumber Karbon pada Sintesis Fosfor BCNO Silika untuk Pembuatan Lampu LED Putih, Tugas Sarjana, Teknik Material ITB, Bandung: 2017.
Kaihatsu, Y., Wang, W.-N., Iskandar, F., Ogi, T., & Okuyama, K. (2010). Effect of the Carbon Source on the Luminescence Properties of Boron Carbon Oxynitride Phosphor Particles. Journal of The Electrochemical Society, 157(10), J329. https://doi.org/10.1149/1.3474941
Nuryadin, B. W., Faryuni, I. D., Iskandar, F., Abdullah, M., & Khairurrijal. (2011). Effect of silica nanoparticles on the photoluminescence properties of BCNO phosphor. AIP Conference Proceedings, 1415, 171–174. https://doi.org/10.1063/1.3667249
Nuryadin, B. W., Pratiwi, T., Faryuni, I. D., & Iskandar, F. (2015). carbon source Preliminary Study on Preparation of BCNO Phosphor Particles Using Citric Acid as Carbon Source, 30011. https://doi.org/10.1063/1.4917100
Yan, S., Zhang, X., Lu, Z., Yu, M., Xu, X., Lin, J., … Tang, C. (2014). Facile synthesis and photoluminescent properties of BCNO phosphors for white light emitting diodes application. Ceramics International, 40(5), 7617–7620. https://doi.org/10.1016/j.ceramint.2013.12.020
Chu, Z., Kang, Y., Jiang, Z., Li, G., Hu, T., Wang, J., … Wang, X. (2014). Graphene oxide based BCNO hybrid nanostructures: tunable band gaps for full colour white emission. RSC Adv., 4(51), 26855–26860. https://doi.org/10.1039/C4RA02775B
Singh, R., Mathur, A., Goswami, N., & Mathur, G. (2016). Effect of carbon sources on physicochemical properties of bacterial cellulose produced from Gluconacetobacter xylinus MTCC 7795. https://doi.org/10.1515/epoly-2016-0047
Poletto, M., Ornaghi Júnior, H. L., & Zattera, A. J. (2014). Native cellulose: Structure, characterization and thermal properties. Materials, 7(9), 6105–6119. https://doi.org/10.3390/ma7096105
Michell, A. J., Of, F. T. R. S., & Celluloses, N. (1990). 53 second-derivative, 197, 53–60.
Yang, H. (2007). Characteristics of hemicellulose , cellulose and lignin pyrolysis, 86, 1781–1788. https://doi.org/10.1016/j.fuel.2006.12.013
Qi, D., Lin, C., Zhao, H., Liu, H., & Lü, T. (2016). Size Regulation and Prediction of the SiO 2 Nanoparticles Prepared Via Stöber Process, 2691(January). https://doi.org/10.1080/01932691.2016.1143373
Zhang, X., Li, Y., Yu, J., Yu, Y., Jia, X., Li, L., … Liu, H. (2017). Effects of chemical bonds on luminescence properties of BCNO phosphors with yellow and orange emission. Journal of Luminescence, 192(October 2016), 1033–1039. https://doi.org/10.1016/j.jlumin.2017.08.048
Wang, W., Widiyastuti, W., Lenggoro, I. W., Kim, O., & Okuyama, K. (2007). Photoluminescence Optimization of Luminescent Nanocomposites Fabricated by Spray Pyrolysis of a Colloid-Solution Precursor, 121–128. https://doi.org/10.1149/1.2435698
DOI: https://doi.org/10.17509/wafi.v3i1.11079
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