Synthesis, electronic structures and luminescent properties of Eu3+ doped KGdTiO4

2014 ◽  
Vol 2 (20) ◽  
pp. 3988-3994 ◽  
Author(s):  
Niumiao Zhang ◽  
Chongfeng Guo ◽  
Jiming Zheng ◽  
Xiangying Su ◽  
Jin Zhao
Keyword(s):  
Field Emission ◽  
Electronic Structures ◽  
Light Emitting Diodes ◽  
Sol Gel ◽  
Luminescent Properties ◽  
Ionic Conductor ◽  
Layered Perovskite ◽  
Light Emitting ◽  
Gel Method ◽  
Field Emission Displays

Eu3+-activated layered perovskite ionic conductor KGdTiO4 red emitting phosphors to be used for ultraviolet based light emitting diodes (LEDs) and field emission displays (FEDs) were successfully synthesized by a modified sol–gel method.

A promising red-emitting phosphor for white light emitting diodes prepared by sol–gel method

2008 ◽  
Vol 133 (1) ◽  
pp. 33-39 ◽  
Author(s):  
Chongfeng Guo ◽  
Wei Zhang ◽  
Lin Luan ◽  
Tao Chen ◽  
Hong Cheng ◽  
...  
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Sol Gel ◽  
Light Emitting ◽  
Gel Method ◽  
Sol Gel Method ◽  
White Light Emitting Diodes ◽  
Red Emitting Phosphor

Synthesis and Luminescent Properties of Mn2+-Doped Zinc Silicate Phosphors by Sol-Gel Method

2010 ◽  
Vol 434-435 ◽  
pp. 214-216 ◽  
Author(s):  
Ji Ming Zhang ◽  
Dong Lin Zhao ◽  
Zeng Min Shen
Keyword(s):  
Sol Gel ◽  
Green Light ◽  
Emission Spectra ◽  
Luminescent Properties ◽  
Nano Particles ◽  
Light Emitting ◽  
Gel Method ◽  
Sol Gel Method ◽  
Structural Details ◽  
Xrd Patterns

Abstract. Green light emitting Mn2+-doped Zn2SiO4 (Zn2SiO4:Mn2+) phosphor nano-particles were synthesized by sol-gel method combined with a furnace firing from the sol-gel solution made with ZnO, MnCO3 and tetraethoxysilan. The influences of annealing temperatures on the microstructures and photoluminescent properties of the Zn2SiO4:Mn2+ phosphors were investigated. The structural details of the phosphors were examined through XRD and SEM. The photoluminescent properties of the Zn2SiO4:Mn2+ phosphors were characterized by excitation and emission spectra. The results indicate that the XRD patterns of the Zn2SiO4:Mn2+ phosphors exhibit a willemite structure (-Zn2SiO4). Green photoluminescence whose emission peak is located at 525 nm were observed from the synthesized phosphor particles under UV excitation. The photoluminescent mechanisms of the Zn2SiO4:Mn2+ phosphors were discussed.

Mechanism analysis of a narrow-band ultra-bright green phosphor with its prospect in white light-emitting diodes and field emission displays

2019 ◽  
Vol 7 (8) ◽  
pp. 2257-2266 ◽  
Author(s):  
Junyi Li ◽  
Xufeng Zhou ◽  
Jianyan Ding ◽  
Xiaopeng Zhou ◽  
Yuhua Wang
Keyword(s):  
Field Emission ◽  
White Light ◽  
Light Emitting Diodes ◽  
Narrow Band ◽  
Mechanism Analysis ◽  
Green Phosphor ◽  
Light Emitting ◽  
Field Emission Displays ◽  
Bright Green ◽  
White Light Emitting Diodes

A narrow-band ultra-bright green phosphor for w-LEDs and FEDs.

A potential green-emitting phosphor Ca8Mg(SiO4)4Cl2:Eu2+ for white light emitting diodes prepared by sol–gel method

2011 ◽  
Vol 257 (21) ◽  
pp. 8836-8839 ◽  
Author(s):  
Chongfeng Guo ◽  
Ming Li ◽  
Yan Xu ◽  
Ting Li ◽  
Zhaoyu Ren ◽  
...  
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Sol Gel ◽  
Light Emitting ◽  
Gel Method ◽  
Sol Gel Method ◽  
White Light Emitting Diodes

All Solution-Processed Quintuple-Layer Organic Light-Emitting Diodes Containing Organic-Inorganic Hybrid Active Layers Fabricated by Sol-Gel Method

2018 ◽  
Vol 777 ◽  
pp. 113-120
Author(s):  
Yusuke Jitsui ◽  
Naoki Ohtani
Keyword(s):  
Thin Films ◽  
Active Layer ◽  
Light Emitting Diodes ◽  
Sol Gel ◽  
Organic Light Emitting Diodes ◽  
Inorganic Hybrid ◽  
Light Emitting ◽  
Gel Method ◽  
Organic Layers ◽  
Organic Light

Organic-inorganic hybrid thin films were fabricated using the sol-gel method and applied to multi-layer organic light-emitting diodes (OLEDs) as an active layer. A polymer emissive material poly (9,9-dioctyl-fluorene-co-N-4-butylphenyl-diphenylamine) (TFB) was solved in a sol-gel reaction accelerator perhydropolysilazane (PHPS). The PHPS solution turned into SiO2 by humidity treatment. Thus, the TFB:PHPS solution became SiO2 thin films in which the organic emissive material TFB was dispersed. All the organic layers of OLEDs can be fabricated using solution-process because the organic-inorganic hybrid active layer is not soluble with the adjacent organic layers. Consequently, we successfully fabricated quintuple-layer OLEDs consisting of the following five organic films: hole-injection, hole-transporting, active (organic-inorganic hybrid) electron-transporting, and electron-injection layers. Electroluminescence (EL) was successfully observed.

InGaN blue light-emitting diodes with ZnO nucleation layers prepared by the sol–gel method

2007 ◽  
Vol 22 (10) ◽  
pp. 1178-1182 ◽  
Author(s):  
Lung-Chien Chen ◽  
Jeng-Bing Huang ◽  
Pei-Jong Cheng ◽  
Lu-Sheng Hong
Keyword(s):  
Blue Light ◽  
Light Emitting Diodes ◽  
Sol Gel ◽  
Light Emitting ◽  
Gel Method ◽  
Sol Gel Method
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