4.6 Article

Structural and luminescent characteristics of orthorhombic GdAlO3:Sm3+ nanocrystalline materials for solid state lighting

Related references

Note: Only part of the references are listed.
Article Materials Science, Multidisciplinary

Structural and luminescent behaviour of Dy(III) activated Gd3Al5O12 nanophosphors for white-LEDs applications

Pawan Kumar et al.

Summary: Single-phased Gd3-xAl5O12:xDy3+(x = 0.01-0.07) nanophosphors emitting cool white light were synthesized via gelcombustion method. The samples exhibited a single cubic phase with a space group of Ia-3d (230) based on diffraction data and Rietveld results. The synthesized phosphors showed intense blue and yellow emission at 482 nm and 576 nm respectively, and were identified as potential candidates for white-LED applications.

MATERIALS CHEMISTRY AND PHYSICS (2023)

Article Materials Science, Multidisciplinary

Preparation, structural and photometric properties of single-phased Gd3Al5O12:Tb3+green-emitting phosphors for solid state lighting purpose

Pawan Kumar et al.

Summary: Single-phased cool green light emissive Gd3-xAl5O12:xTb3+ (x = 0.01-0.06) nanophosphors were prepared via a less time consuming, ecological, low-temperature based gel-combustion technique. The samples were characterized by X-ray diffraction, morphological observations, FTIR analysis, elemental composition, and photo-luminescence measurements. The optimized sample (x = 0.04) showed high color purity and cool green emission, making it a potential applicant for solid state lighting applications.

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS (2023)

Article Materials Science, Ceramics

Relationship of the different Ca sites in the matrix with luminescence properties of orange-red emitting Li0.04Ca0.96-xSiO3:Smx phosphors

Chunping Liang et al.

Summary: Li0.04Ca0.96-xSiO3:Sm-x orange-red emitting phosphors were synthesized using the sol-gel method. The crystal structure, sites of cationic Ca, and luminescence properties of the prepared phosphors were characterized. The results show that as the Sm3+ concentration increases, the unit cell volume and Ca-O bond lengths decrease.

CERAMICS INTERNATIONAL (2022)

Article Chemistry, Physical

Preparation and luminescence characterization of Eu(III)-activated Forsterite for optoelectronic applications

Vijeta Tanwar et al.

Summary: Eu(III)-activated Forsterite nanophosphors were synthesized using sol-gel technique. The structural and phase purity of the materials were characterized by XRD and FT-IR studies. The nanophosphors exhibited aggregated particles with sizes ranging from 50 to 80 nm. The materials showed efficient excitation under UV light and emitted red fluorescence at 613 nm. The optical properties were analyzed using J-O analysis, which revealed the influence of covalent character and structural environment on the properties. The nanophosphors demonstrated bright red color, making them suitable for optoelectronic applications.

JOURNAL OF MOLECULAR STRUCTURE (2022)

Article Chemistry, Physical

Structural and optical characterization of trivalent samarium-activated LaAlO3 nanocrystalline materials for solid-state lighting

Pawan Kumar et al.

Summary: This article reports the preparation, optical, and structural characteristics of LaAlO3:Sm3+ nanophosphors. The synthesis of the phosphor was confirmed using the Gel-combustion method, X-ray diffraction, and Rietveld refinement study. The morphology and vibrational behavior were analyzed using TEM images and FTIR analysis. The photoluminescence properties were examined through emission spectrum measurements.

JOURNAL OF MOLECULAR STRUCTURE (2022)

Article Optics

Phase recognition and spectroscopic characteristics of single-phase Tb3+doped Gd4Al2O9 nanophosphors for NUV energized advanced photonic appliances

Isha Gupta et al.

Summary: Self-propagating solution combustion is used to synthesize single-phase Gd4-xAl2O9:xTb3+ (x = 1-6 mol%) nanocrystalline samples, and various characterization techniques are employed. X-ray diffraction and transmission electron microscopy reveal the crystal structure, crystallite size, and particle morphology of the doped phosphors. The emission spectra show that these phosphors are suitable for near ultraviolet energized solid-state displays.

JOURNAL OF LUMINESCENCE (2022)

Article Optics

Structural refinement and optical characteristics of single-phase Gd3Al5O12:Er3+ nanophosphors for luminescent applications

Pawan Kumar et al.

Summary: In this study, single phase green-emitting nanophosphors were synthesized using an environmentally friendly and low-temperature urea-assisted gel-combustion process. The properties of the phosphors were characterized using various techniques, and the results showed that they exhibited high emission intensity and excellent optoelectronic properties, making them promising for luminescent applications.

JOURNAL OF LUMINESCENCE (2022)

Article Optics

Perovskite GdAlO3:Dy3+nanophosphors: A gel-combustion synthesis, phase evaluation and down conversion luminescent characteristics for lighting applications

Pawan Kumar et al.

Summary: Single phase Gd1-xAlO3:xDy3+ (x = 1, 3, 5, 7, 9 mol %) nanophosphors that produce cool white light were synthesized using urea assisted gel-combustion synthetic method. The structural and photophysical analyses confirmed the orthorhombic structure of the prepared nanocrystalline materials and the effective energy transfer between Gd3+ and Dy3+. The photoluminescence emission spectra showed strong blue and yellow bands, indicating the potential applications in white light technologies.

JOURNAL OF LUMINESCENCE (2022)

Article Optics

Heteroleptic Eu(III) emissive complexes: Luminescent, optoelectronic and theoretical investigation

Anjli Hooda et al.

Summary: The synthesis of four red emissive complexes of europium based on Hfodo and L is described. Luminescence analysis confirmed the intense red emission of the complexes in both powder and solution form. The colorimetric parameters calculated from emission spectral data affirm the usefulness of these complexes in displays and laser diodes.

JOURNAL OF LUMINESCENCE (2022)

Article Materials Science, Multidisciplinary

Structural, morphological and optoelectronic aspects of YAlO3:Dy3+ doped nanocrystalline materials for NUV energized WLEDs

Isha Gupta et al.

Summary: A cost-effective urea assisted solution combustion (SC) method was used to synthesize a series of doped YAlO3:Dy3+ (0.01-0.08 mol) phosphors. The resulting nanomaterials exhibited an orthorhombic structure and showed good optical properties, making them suitable for near ultraviolet (NUV) excited white light emitting diode (WLED) applications.

CURRENT APPLIED PHYSICS (2022)

Article Optics

Luminous terbium and samarium complexes with diacetylmethane and substituted 1,10-phenanthroline derivatives for display applications: Preparation and optoelectronic investigations

Kapeesha Nehra et al.

Summary: Octacoordinated ternary heteroleptic lanthanide complexes with diacetyl-methane and substituted 1,10-phenanthroline auxiliary units were synthesized and thoroughly characterized. The complexes exhibited green and orange-red emission due to the transitions of Tb3+ and Sm3+ ions, respectively. The efficient sensitization of metal ions through the organic ligand DAM was observed. The synthesized complexes showed promising photophysical and optical properties, suggesting their potential applications as emissive materials in display devices.

JOURNAL OF LUMINESCENCE (2022)

Article Chemistry, Physical

Phase recognition, structural measurements and photoluminescence studies of reddish-orange-emissive YAlO3:Sm3+ perovskite nanophosphors for NUV energized WLEDs

Isha Gupta et al.

Summary: Orthoaluminate perovskite-type YAlO3:xSm(3+) (x = 0.01 to 0.04 mol) nanocrystalline materials were successfully synthesized via solution combustion method. The synthesized materials exhibited good crystallinity and phase purity, and showed reddish-orange emission suitable for near visible ultraviolet (NUV) energized LED applications.

JOURNAL OF MOLECULAR STRUCTURE (2022)

Article Chemistry, Analytical

Luminous LaAlO3:Dy3+ perovskite nanomaterials: Synthesis, structural, and luminescence characteristics for white light-emitting diodes

Pawan Kumar et al.

Summary: A single-phase perovskite LaAlO3:Dy3+ phosphor was synthesized using a gel-combustion method and further investigated through calcination to study its crystalline and luminescence behavior. The phosphor exhibited intense and advantageous luminescence characteristics, making it a potential material for white light-emitting diodes.

LUMINESCENCE (2022)

Article Chemistry, Analytical

Emerging green light emission of Er3+-activated single phased GdAlO3 phosphors for lighting applications

Pawan Kumar et al.

Summary: An erbium ion-activated gadolinium aluminate nanophosphor was successfully synthesized and characterized. The nanophosphor showed a strong excitation band under UV light and exhibited green emission. It has potential applications in color and cold light sources.

LUMINESCENCE (2022)

Article Optics

Preparation and luminescence behaviour of perovskite LaAlO3: Tb3+ nanophosphors for innovative displays

Pawan Kumar et al.

Summary: This study reported the preparation, structure, and luminescent behavior of LaAlO3:Tb3+ nanophosphors. The nanomaterials were prepared using the low temperature gel-combustion method, showing cubic crystal structure and uniform particle distribution. Spectral analysis and elemental composition detection confirmed the potential of these nanophosphors in display devices and lighting applications.

OPTIK (2022)

Article Optics

Sm3+-activated YAG nanocrystals: Synthesis, structural and spectroscopic analysis for orange-red emitting LEDs

Sitender Singh et al.

Summary: Trivalent samarium-activated Y3Al5O12 nanocrystals were synthesized successfully and characterized for their structural and luminescent properties, showing great potential applications in near UV-LED or white light sources.

OPTIK (2021)

Review Materials Science, Ceramics

Rare earth (RE) doped phosphors and their emerging applications: A review

Isha Gupta et al.

Summary: The rapid advancement in the research and development of luminescent materials, particularly inorganic phosphors, has shown great potential in energy efficiency and eco-friendliness, making them more widely used in replacing traditional lighting sources. Rare-earth activated phosphors play a crucial role in solid-state lighting technologies, and studying the design of novel phosphors will contribute to future applications.

CERAMICS INTERNATIONAL (2021)

Article Chemistry, Physical

Desired warm white light emission from a highly photostable and single-component Gd2TiO5:Dy3+/Eu3+ nanophosphors for indoor illuminations

Eluri Pavitra et al.

Summary: In this study, highly photostable and novel Gd2TiO5(GT):Dy3+/Eu3+ nanophosphors were reported as single-component white emitting phosphors prepared by sol-gel route. Tunable white light emission was achieved by co-doping various concentrations of Eu3+ ions to the optimized GT:1.5Dy(3+) nanophosphors, showing an increased energy transfer efficiency with rising Eu(3+) ion content for co-doped GT nanophosphors. The results suggest that these GT:Dy3+/Eu3+ nanophosphors can serve as potential single-component white emitting phosphors for UV and/or NUV-based pc-WLEDs.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

Article Materials Science, Ceramics

Synthesis and Optoelectronic Characteristics of MGdAl3O7:Eu3+ Nanophosphors for Current Display Devices

Sonika Kadyan et al.

TRANSACTIONS OF THE INDIAN CERAMIC SOCIETY (2019)

Review Green & Sustainable Science & Technology

Long lasting phosphors: SrAl2O4:Eu, Dy as the most studied material

Rocio Estefania Rojas-Hernandez et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2018)

Proceedings Paper Physics, Applied

Temperature Dependent Electrical Properties of Combustion Synthesized GdAlO3 Perovskite

S. K. Saji et al.

INTERNATIONAL CONFERENCE ON FUNCTIONAL MATERIALS, CHARACTERIZATION, SOLID STATE PHYSICS, POWER, THERMAL AND COMBUSTION ENERGY (FCSPTC-2017) (2017)

Article Engineering, Electrical & Electronic

Preparation and Photoluminescence Properties of SrAl2O4:Eu2+,RE3+ Green Nanophosphors for Display Device Applications

Devender Singh et al.

JOURNAL OF ELECTRONIC MATERIALS (2016)

Article Engineering, Electrical & Electronic

Synthesis and luminescent characteristics of M3Y2Si3O12:Eu3+ (M = Ca, Mg, Sr and Ba) nanomaterials for display applications

Devender Singh et al.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2016)

Article Materials Science, Multidisciplinary

Investigation on photoluminescence properties and defect chemistry of GdAlO3:Dy3+ Ba2+ phosphors

Thangaraj Selvalakshmi et al.

OPTICAL MATERIALS (2016)

Review Engineering, Environmental

The recycling of rare earths from waste tricolor phosphors in fluorescent lamps: A review of processes and technologies

Yufeng Wu et al.

RESOURCES CONSERVATION AND RECYCLING (2014)

Article Optics

Luminescence and energy transfer in Ca3Sc2Si3O12:Ce3+,Mn2+ white LED phosphors

Yongfu Liu et al.

JOURNAL OF LUMINESCENCE (2013)

Letter Nanoscience & Nanotechnology

The Scherrer equation versus the 'Debye-Scherrer equation'

Uwe Holzwarth et al.

NATURE NANOTECHNOLOGY (2011)