My watch list
my.chemeurope.com  
Login  

845 Newest Publications about the topic leds

rss

You can refine your search further. Select from the filter options on the left to narrow down your results.

A novel color-tunable phosphor, Na5Gd9F32:Ln3+ (Ln = Eu, Tb, Dy, Sm, Ho) sub-microcrystals: structure, luminescence and energy transfer properties

03-Jul-2018 | Junfeng Yang; Jianchao Dong; Ruiyang Wu; Hongyue Wu; Hongbo Song; Shucai Gan; lianchun Zou, Dalton Transactions, 2018

Ln3+-doped fluoride is an economical and highly efficient luminescent material, which plays a crucial role in LEDs, biolabeling, and sensors. Thus, the Na5Gd9F32: Ln3+ sub-microspheres with multicolor tunable emission were successfully synthesized via a simlple water bath method employing ...

more

One-pot synthesize dispersible thermal stable organic downconversion materials under DBU catalyzation for high performance hybrid-LED lamps

03-Jul-2018 | Junjie He; Shixing Yang; Kai Zheng; Youming Zhang; Jun Song; Junle Qu, Green Chemistry, 2018

Lighting market has been dominated by light emitting diodes(LEDs), which not only need Ga for for wafer production, but also consume abundant rare-earth elements Y, Ce and Eu. Hybrid-LEDs using organic downconversion materials(ODMs) is a promising candidate technology to save the rare-earth ...

more

Tunable morphologies, Multicolor Properties and Applications of RE3+ doped NaY(MoO4)2 Nanocrystalls via a facile ligand-assisted reprecipitation Process

12-Jun-2018 | Yang Ding; Jie Liu; Ming Zeng; Xishu Wang; Junli Shi; Weili Wang; Yanru Miao; Xibin Yu, Dalton Transactions, 2018

RE3+-doped NaY(MoO4)2 is an efficient material for realizing multicolor emission, which plays an important role in displays, W-LEDs, solar cells and biolabelings. Up to now, researches on the multicolor tuning properties of RE3+-doped NaY(MoO4)2 are mostly through high temperature solid-state ...

more

Energies, Vol. 11, Pages 1479: The Influence of LED Lighting Sources on the Nature of Power Factor

06-Jun-2018 | Wlas, Miroslaw ; Galla, Stanislaw, Energies, 2018

Energies, Vol. 11, Pages 1479: The Influence of LED Lighting Sources on the Nature of Power Factor Energies doi: 10.3390/en11061479 Authors: Miroslaw Wlas Stanislaw Galla This article presents measurements of electric power absorbed by a newly built facility for office and ...

more

An efficient rare-earth free red-emitting Ca2YSbO6:Mn4+,M(M=Li+, Na+, K+, Mg2+) phosphors for white light-emitting diodes

01-Jun-2018 | Jiasong Zhong; Daqin Chen; Xiao Chen; Keyuan Wang; Xinyue Li; Yiwen Zhu; Zhenguo Ji, Dalton Transactions, 2018

Owing to its low-cost and satisfactory luminescent-emission performance in warm white light-emitting diodes (w-LEDs), the non-rare-earth Mn4+-activated red phosphor has become a promising competitor of commercial rare-earth doped phosphor. In this study, a series of novel red-light emitting ...

more

An efficient rare-earth free red-emitting Ca2YSbO6:Mn4+,M(M=Li+, Na+, K+, Mg2+) phosphors for white light-emitting diodes

01-Jun-2018 | Jiasong Zhong; Daqin Chen; Xiao Chen; Keyuan Wang; Xinyue Li; Yiwen Zhu; Zhenguo Ji, Dalton Transactions, 2018

Owing to its low-cost and satisfactory luminescent-emission performance in warm white light-emitting diodes (w-LEDs), the non-rare-earth Mn4+-activated red phosphor has become a promising competitor of commercial rare-earth doped phosphor. In this study, a series of novel red-light emitting ...

more

Photoluminescence and energy transfer properties of a novel molybdate KBaY(MoO4)3:Ln3+ (Ln3+ = Tb3+, Eu3+, Sm3+, Tb3+/Eu3+, Tb3+/Sm3+) as a multi-color emitting phosphor for UV w-LEDs

30-May-2018 | Kai Li; Rik Van Deun, Dalton Transactions, 2018

In this article, we report the preparation and luminescence properties of a series of novel rare-earth doped KBaY(MoO4)3 phosphors. The XRD patterns for the as-prepared samples have been assigned to the pure KBaY(MoO4)3 phase. The Tb3+, Eu3+ and Sm3+ singly-doped phosphors all show good ...

more

CsPbBr3:xEu3+ perovskite QD borosilicate glass: a new member of the luminescent material family

30-May-2018 | Rongrong Yuan; Lingli Shen; Chenyang Shen; Jianming Liu; Lei Zhou; Weidong Xiang; Xiaojuan Liang, Chemical Communication, 2018

Eu3+ ions were introduced into the lattices of CsPbBr3 perovskite QDs and a tunable multicolour emission from CsPbBr3:xEu3+ perovskite QD glass was successfully obtained. Multicolour LEDs that were fabricated by combining the as-prepared CsPbBr3:xEu3+ QD glasses with a UV chip were also ...

more

Understanding the quenching nature of Mn4+ in wide band gap inorganic compounds: Design principles for Mn4+ phosphors with higher efficiency

30-May-2018 | Lei Wang; Zhaoxiang Dai; Rulong Zhou; Bingyan Qu; Xiao Cheng Zeng, Physical Chemistry Chemical Physics, 2018

Mn4+ doped phosphors, as an alternative to the rare-earth element doped phosphors, have attracted immense attention owing to their ultrahigh quantum efficiency of red emission for potential applications in high rendering white LEDs (light-emitting diodes). Their performance can be largely ...

more

Enhanced Luminescence of Ba2GdSbO6:Mn4+ red phosphor via cation doping for warm white light-emitting diodes

29-May-2018 | Jiasong Zhong; Su Zhou; Daqin Chen; Junjie Li; Yiwen Zhu; Xinyue Li; Leifeng Chen; Zhenguo Ji, Dalton Transactions, 2018

With admirable luminescent performance and cheap price, non-rare-earth-based oxide red phosphor holds the potential competitor of rare-earth doped one for warm white LEDs (WLEDs). Herein, a novel double-perovskite Ba2GdSbO6:Mn4+ phosphor, demonstrating strong red emission ascribed to ...

more

Page 1 From 85
Subscribe to e-mail updates relating to your search

You will receive via e-mail the latest search results matching your search criteria. This service is free of charge and can be cancelled at any time.

Your browser is not current. Microsoft Internet Explorer 6.0 does not support some functions on Chemie.DE