Academic literature on the topic 'Nitride RED phosphor'

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Journal articles on the topic "Nitride RED phosphor"

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Uheda, Kyota. "Application of Nitride and Oxynitride Compounds to Various Phosphors for White LED." Key Engineering Materials 403 (December 2008): 15–18. http://dx.doi.org/10.4028/www.scientific.net/kem.403.15.

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Multiternary nitride and oxynitride compounds doped with rare earth ions, such as Eu2+ and Ce3+ have been enthusiastically applied as various phosphors to white LED. New red and green phosphors, CaAlSiN3:Eu and Ba3Si6O12N2:Eu, have been successfully synthesized, recently. The red phosphor has intense emission around 650 nm under two different irradiations at 405 and 455 nm from blue- and near UV-LED chips, respectively; while strong emission is observed around 520 nm from the green phosphor. Both phosphors also show small thermal quenching over the temperatures up to 150 °C. In addition, both
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Cherepy, Nerine J., Stephen A. Payne, Nicholas M. Harvey, et al. "Red-emitting manganese-doped aluminum nitride phosphor." Optical Materials 54 (April 2016): 14–21. http://dx.doi.org/10.1016/j.optmat.2016.02.008.

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Dutta, Dimple P., and A. K. Tyagi. "Inorganic Phosphor Materials for Solid State White Light Generation." Solid State Phenomena 155 (May 2009): 113–43. http://dx.doi.org/10.4028/www.scientific.net/ssp.155.113.

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Solid-state lighting (SSL) is emerging as a highly competent field and a possible alternative to existing lighting technologies. Development of a suitable phosphor is an important aspect of SSL. The aim of this review is to summarize status of Inorganic Phosphors towards SSL applications. Various examples have been taken from oxide, fluoride, nitride, sulfide and phosphate based host lattices. The important concepts like CIE coordinates and Color Correlated Temperature (CCT) will also be discussed. The sections encompasses of red, blue and green light emitting phosphors. The white light emitti
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Kim, S. W., T. Hasegawa, S. Hasegawa, et al. "Improved synthesis of SrLiAl3N4:Eu2+ phosphor using complex nitride raw material." RSC Advances 6, no. 66 (2016): 61906–8. http://dx.doi.org/10.1039/c6ra14107b.

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Narrow band deep-red emission SrLiAl<sub>3</sub>N<sub>4</sub>:Eu<sup>2+</sup> phosphor was effectively synthesized using complex nitride Sr<sub>3</sub>Al<sub>2</sub>N<sub>4</sub> and Li<sub>3</sub>AlN<sub>2</sub> as raw materials. The phosphor exhibited strong deep-red emission peaking at 654 nm under excitation at 450 nm.
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Zhang, Shiyou, Zhen Song, Shuxin Wang, Zhizhen Wang, Feixiong Wang, and Quanlin Liu. "Red persistent and photostimulable phosphor SrLiAl3N4:Eu2+." Journal of Materials Chemistry C 8, no. 14 (2020): 4956–64. http://dx.doi.org/10.1039/d0tc00277a.

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The red persistent luminescence and the photostimulable luminescence in the nitride SrLiAl<sub>3</sub>N<sub>4</sub>:Eu<sup>2+</sup> are reported, and the mechanism are discussed on the basis of the HRBE diagram.
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TENG, Xiaoming, Weidong ZHUANG, Yunsheng HU, and Xiaowei HUANG. "Luminescence properties of nitride red phosphor for LED." Journal of Rare Earths 26, no. 5 (2008): 652–55. http://dx.doi.org/10.1016/s1002-0721(08)60155-6.

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Xia, Yonghui, Shuxing Li, Yingxue Zhang, Takashi Takeda, Naoto Hirosaki, and Rong-Jun Xie. "Discovery of a Ce3+-activated red nitride phosphor for high-brightness solid-state lighting." Journal of Materials Chemistry C 8, no. 41 (2020): 14402–8. http://dx.doi.org/10.1039/d0tc03964k.

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Nuryadin, Bebeh Wahid, Ea Cahya Septia, Ferry Iskandar, et al. "Microwave-Assisted Solid State Synthesis of Red-Emitting BCNO Phosphor and its Characteristics." Advanced Materials Research 896 (February 2014): 464–67. http://dx.doi.org/10.4028/www.scientific.net/amr.896.464.

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Red-emitting BCNO phosphor has been synthesized by a microwave-assisted solid state reaction using a low-cost boric acid, urea and polyethylene glycol (PEG-20k) as the starting materials. The effects of reaction parameters: temperature, carbon and nitrogen content on material composition and photoluminescence properties were investigated. Nearly multi-phase hexagonal boron nitride, boron oxide, boron carbide and carbon graphite was observed, indicating the BCNO were successfully synthesized. The photoluminescence spectra of the phosphor excited by a UV light (365 nm) showed a broad emission ba
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Ueda, Jumpei, Julius L. Leaño, Cyrille Richard, Kazuki Asami, Setsuhisa Tanabe, and Ru-Shi Liu. "Broadband near-infrared persistent luminescence of Ba[Mg2Al2N4] with Eu2+ and Tm3+ after red light charging." Journal of Materials Chemistry C 7, no. 6 (2019): 1705–12. http://dx.doi.org/10.1039/c8tc06090h.

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A near infrared (NIR) persistent luminescent Ba[Mg<sub>2</sub>Al<sub>2</sub>N<sub>4</sub>]:Eu<sup>2+</sup>–Tm<sup>3+</sup> phosphor chargeable by red light was prepared via a solid state reaction from all-nitride starting materials.
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Black, Ashley P., Kristin A. Denault, Judith Oró-Solé, Alejandro R. Goñi та Amparo Fuertes. "Red luminescence and ferromagnetism in europium oxynitridosilicates with a β-K2SO4 structure". Chemical Communications 51, № 11 (2015): 2166–69. http://dx.doi.org/10.1039/c4cc08548e.

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LaSrSiO<sub>3</sub>N and LaBaSiO<sub>3</sub>N are the first examples of nitride-based alkaline earth orthosilicates with β-K<sub>2</sub>SO<sub>4</sub> structure, and they show red-orange luminescence after activation with Eu<sup>2+</sup>. The analogous compound LaEuSiO<sub>3</sub>N is, in addition to a red phosphor material, a soft ferromagnet with a Curie temperature of 3 K.
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Dissertations / Theses on the topic "Nitride RED phosphor"

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Beddar, Sidahmed. "Caractérisations et études de fiabilité des nouvelles générations de LED pour une utilisation dans un environnement automobile." Electronic Thesis or Diss., université Paris-Saclay, 2021. http://www.theses.fr/2021UPASG015.

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En 2008, pour la première fois toutes les fonctions d’éclairage avant d’un véhicule sont entièrement à LEDs. Cette source de lumière a ouvert l'âge d'or de l'éclairage automobile par la basse consommation électrique, l’efficacité, la fiabilité, la haute luminosité, la compacité, ainsi que la rentabilité. Ces qualités lui ont permis de gagner la majorité des parts de marché dans l’automobile.La miniaturisation de la LED a permis la pixellisation du faisceau lumineux. Cela améliore davantage la sécurité routière. En effet, éclairer la route sans éblouir les autres usagers est devenu possible ave
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Moberg, Mikhal. "THE EFFECTIVENESS OF SPECIFICALLY DESIGNED FILTER MEDIA TO REDUCE NITRATE AND ORTHOPHOSPHATE IN STORMWATER RUNOFF." Master's thesis, University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3677.

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Throughout Central Florida surface water and ground water are decreasing in quantity and quality in part because of excess Nitrate and Phosphorus nutrients. Stormwater runoff serves as a medium for transport of Nitrate and Phosphorus to surface water and ground water. The goal of this experiment is assess the Nitrate and Phosphorus removal in stormwater using select media. The results of a literature search, batch test experimentation and column test experimentation are used to determine an optimal media blend that may be implemented in detention ponds to reduce Nitrate and Phosphorus. The ext
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O'Reilly, Andrew M. "Biogeochemical Cycling and Nutrient Control Strategies for Groundwater at Stormwater Infiltration Basins." Doctoral diss., University of Central Florida, 2012. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5360.

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Elevated concentrations of nutrients, particularly nitrate, in groundwater and springs in Florida are a growing resource management concern. Stormwater infiltration basins, which are a common stormwater management practice in the well-drained karst terrain areas of Florida, are a potentially important source of nutrients to the groundwater system because stormwater exits the basin by only evaporation or infiltration. To better understand the biogeochemical processes integrating stormwater infiltration impacts on groundwater resources in a field-scale setting, a combination of hydrologic, soil
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Shu-ChiHuang and 黃姝綺. "Combustion Synthesis of Red Nitride CaAlSiN3:Eu2+ Phosphor for White Light LEDs." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/34x2pg.

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博士<br>國立成功大學<br>化學工程學系<br>104<br>White light LED lighting is believed to replace the conventional lighting and becomes the next generation lighting device due to its advantages such as energy efficiency, long lifetime, compactness, environment friendliness and designable features. Phosphors are essential materials for the fabrication of the LED lighting devices and their properties significantly affect the performance of the devices. Among various types of phosphor, the type with red emission is considered to be the most urgent one to be developed for two main reasons: Its use can improve the
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Meng, Shu-Yi, and 孟書怡. "Chemical Control of Intensity and Wavelength of Red-emitting Narrowband Nitride Phosphors." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/4fsf7n.

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碩士<br>國立臺灣大學<br>化學研究所<br>106<br>The narrowband red-emitting phosphor SrLiAl3N4:Eu2+(SLA) with extraordinary structure and excellent luminous properties is regarded as a prospective red phosphor for white light-emitting diodes(WLEDs). The quality of the white-LED depends on the emission intensity and luminous efficacy of radiation (LER) of the component phosphor, which is, in turn, is related to the emission wavelength, and the bandwidth of the phosphor. As it is now, the emission efficiency of SLA is still not sufficient for the commercial application. Besides, to obtain the optimum luminous e
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Tsai, Yi-Ting, and 蔡宜庭. "Synthesis and Composition Control of Red Nitride Phosphors for Applications in Light-emitting Diodes." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/78362506149987661898.

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博士<br>國立臺灣大學<br>化學研究所<br>104<br>Traditional WLEDs are fabricated using blue chip and yellow phosphor to produce white light, with high efficiency but poor color rendering index (CRI) because of the lack of a red component. In this work, using chemical substitution and synthesis conditions on the basis red nitride phosphors, while theoretical discussion of their chemical properties. The light emission of Sr2Si5N8:Eu2+ at 620 nm, the orange light is ideal to red source. The properties of Sr2Si5N8:Eu2+ can be tailored by tuning the pressure, temperature, and sintering time in the basic sintering
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Book chapters on the topic "Nitride RED phosphor"

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Nguyen, Hoang-Duy, Mano Bala Sankar Muthu, and Hieu Pham Trung Nguyen. "Phosphor-Converted III-Nitride Nanowire White Light-Emitting Diodes." In Nanoelectronic Devices and Applications. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815238242124010005.

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III-nitride nanowire light-emitting diodes (LEDs) have emerged as the nextgeneration solid-state lighting technology. Currently, white-light LEDs rely on the phosphor-converted white LED (pc-WLEDs) technology, which normally depends on the mixture of blue/ultraviolet emitters and green/yellow/red color-converters. In this chapter, a summary of current research progress on nanophosphors and their applications in improving the device performance of InGaN nanowire pc-WLEDs in terms of color rendering properties and optical and electrical characteristics is presented. These investigations have con
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Ali, Amjad, Qian Li, Hongyan Fu, and Syed Raza Mehdi. "Blue Laser Diode-Based Visible Light Communication and Solid-State Lighting." In Antenna Systems [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.100106.

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In this chapter, we review our recent work on blue laser diode-based visible light communication and solid-state lighting. Gallium nitride (GaN) phosphor-converted white light-emitting diodes (Pc-WLEDs) are emerging as an indispensable solid-state lighting (SSL) source for next-generation display system and the lighting industry. Together with the function of lighting, visible light communication (VLC) using Pc-WLEDs has gained increasing attention to fulfill the growing demand for wireless data communication. Practically, the low modulation response and low emitting intensity of light-emittin
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Kirchman, David L. "Reviving Dead Zones." In Dead Zones. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780197520376.003.0011.

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Oxygen has returned to some dead zones, but many problems remain. As this chapter explains, nutrient input from agriculture in some regions has decreased because farmers use buffer zones, cover crops, and precision agriculture. But voluntary efforts to minimize nutrient pollution aren’t enough. In Iowa, the Des Moines Water Works, led by a charismatic CEO, Bill Stowe, unsuccessfully sued to reduce nitrate leaching from local farms. The value of government action has been demonstrated in Denmark, whereas its absence has led to many environmental problems in China. The chapter argues that one so
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Conference papers on the topic "Nitride RED phosphor"

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Jain, Barsha, Ravi Teja Velpula, and H. P. T. Nguyen. "Phosphor-free III-nitride red micro-light emitting diodes for display applications." In CLEO: Science and Innovations. OSA, 2021. http://dx.doi.org/10.1364/cleo_si.2021.stu2c.1.

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Kyrginas, Dimitrios, Gérald Ledru, Benoit Glorieux, and Georges Zissis. "Laser-driven white light generation by mixing blue (BAM), green (GYAG), and red (nitride) phosphors." In Light-Emitting Devices, Materials, and Applications XXVI, edited by Martin Strassburg, Jong Kyu Kim, and Michael R. Krames. SPIE, 2022. http://dx.doi.org/10.1117/12.2606554.

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DUBRA, Vytautas. "SOME PECULIARITIES OF SPATIAL DISTRIBUTION OF LAND-BASED INORGANIC NUTRIENTS IN THE COASTAL PART OF THE BALTIC SEA." In Rural Development 2015. Aleksandras Stulginskis University, 2015. http://dx.doi.org/10.15544/rd.2015.070.

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The Baltic Sea is a semi-enclosed sea with remarkable cyclonic circulation. The most attention must be paid to the local-scale factors playing the significant role in the overall figures. Fresh water inflow takes the majority of the mass budget income thus enabling local streams. The bathymetry of the Lithuanian Baltic zone is lowering gradually towards the open sea and has no significant deeps or depths. As the little exception there is a deeper basin, which stretches from the Curonian Spit until it reaches the approaches of the Southern Gotland Deep. The long-term investigations of spatial s
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Petaja, Guna, Ilze Karklina, and Santa Neimane. "Short-term effects of fertilization on photosynthetic activity in a deciduous tree plantation." In Research for Rural Development 2021 : annual 27th International scientific conference proceedings. Latvia University of Life Sciences and Technologies, 2021. http://dx.doi.org/10.22616/rrd.27.2021.008.

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Fertilization is a method to enhance tree growth and timber production. Ammonium nitrate and wood ash are commonly used fertilizers, which can be applied at the same time to increase levels of both nitrogen and other macro- and micronutrients. We studied how ammonium nitrate and wood ash fertilization affects photosynthetic activity and transpiration at leaf level in a deciduous tree plantation in former agricultural land with mineral soil, located in the central part of Latvia (Keipene parish). Additionally, we performed foliar and soil nutrient analyses. Our results support the notion that n
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Karklina, Ilze, Zaiga Anna Zvaigzne, and Jelena Stola. "Chemical properties of needles as an indicator of nutrient status of fertilized coniferous stands." In Research for Rural Development 2020. Latvia University of Life Sciences and Technologies, 2020. http://dx.doi.org/10.22616/rrd.26.2020.012.

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Enhanced forest growth may respond to demand of woody resources and contribute to the climate change mitigation. Forest soil treatment with fertilizers, as well as drainage and thinning enhance forest growth. The analysis of needles is an established method in forest science to identify the nutrient status in the forest stand and need for forest soil enrichment with fertilizers. The aim of this research is to estimate the efficiency of forest soil enrichment with wood ash and ammonium nitrate in order to eliminate nutrient deficiency in forest stands. Forest soil was enriched with wood ash fer
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GRINBERGA, Linda, and Ainis LAGZDINS. "NUTRIENT RETENTION IN SURFACE FLOW CONSTRUCTED WETLAND IN AGRICULTURAL LAND IN LATVIA." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.179.

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The research site consists of a pilot-scale surface flow constructed wetland at the farm Mezaciruli located in Zalenieki County, Jelgava Region, in the middle part of Latvia. The constructed wetland was installed in June 2014 to improve water quality in agricultural catchment and examine nutrient retention at the constructed wetland receiving surface and drainage runoff. The constructed wetland’s surface area of 0.37 ha corresponds to 0.5 % of the total catchment area. During the observation period of 32 months (2014-2017) water quality parameters such as total suspended solids (TSS), nitrate-
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