نتایج جستجو برای: luminescent device

تعداد نتایج: 685355  

Journal: :Chemical communications 2011
Anthony Yiu-Yan Tam Daniel Ping-Kuen Tsang Mei-Yee Chan Nianyong Zhu Vivian Wing-Wah Yam

A luminescent cyclometalated platinum(II) complex has been demonstrated to show green electrophosphorescence in multilayer organic light-emitting devices (OLEDs) using a dual emissive layer with high current and external quantum efficiencies of 38.9 cd A(-1) and 11.5%, respectively.

Journal: :Chemical communications 2011
Xiangyou Liu Zhiqiang Ye Wei Wei Yuguang Du Jingli Yuan Ding Ma

An artificial luminescent protein, apoferritin-encapsulated luminescent europium complex, has been designed/fabricated and displays good biocompatibility and long-lived luminescence, which means it can be used as a bioprobe to image living cells with a time-gated mode.

Journal: :Nanoscale 2014
Dik-Lung Ma Sheng Lin Ka-Ho Leung Hai-Jing Zhong Li-Juan Liu Daniel Shiu-Hin Chan Anne Bourdoncle Jean-Louis Mergny Hui-Min David Wang Chung-Hang Leung

We report herein the synthesis and application of a novel G-quadruplex-selective luminescent iridium(iii) complex for the construction of an oligonucleotide-based, label-free, rapid and convenient luminescent RNA detection platform.

2005
Stephen Faulkner Simon J. A. Pope Benjamin P. Burton-Pye

In this article, imaging applications of luminescent complexes and recent advances in the design and photophysical behaviour of near-IR responsive complexes are reviewed. Various properties of the luminescent lanthanide complexes are also discussed in detail.

2014
Daniela Di Martino Luca Beverina Mauro Sassi Sergio Brovelli Riccardo Tubino Francesco Meinardi

Stable white-emitting down-converted LEDs are straightforwardly prepared by bulk polymerization of an organic dye doped polymethyl-methacrylate (PMMA) shell directly on top of a highly efficient commercial blue-emitting InGaN LED. Our optimized polymerization procedure allows for extending the form factor of achievable luminescence converter (LUCO) material beyond the conventional thin film for...

Journal: :Physical chemistry chemical physics : PCCP 2014
James L Banal Kenneth P Ghiggino Wallace W H Wong

The compromise between light absorption and reabsorption losses limits the potential light conversion efficiency of luminescent solar concentrators (LSCs). Current approaches do not fully address both issues. By using the excitation energy transfer (EET) strategy with a donor chromophore that exhibits aggregation-induced emission (AIE) behaviour, it is shown that both transmission and reabsorpt...

2014
Hau-Vei Han Chien-Chung Lin Yu-Lin Tsai Hsin-Chu Chen Kuo-Ju Chen Yun-Ling Yeh Wen-Yi Lin Hao-Chung Kuo Peichen Yu

This paper presents a hybrid design, featuring a traditional GaAs-based solar cell combined with various colloidal quantum dots. This hybrid design effectively boosts photon harvesting at long wavelengths while enhancing the collection of photogenerated carriers in the ultraviolet region. The merits of using highly efficient semiconductor solar cells and colloidal quantum dots were seamlessly c...

2009
Vanessa Wood Matthew J. Panzer Jianglong Chen Michael S. Bradley Jonathan E. Halpert Moungi G. Bawendi Vladimir Bulović

Adv. Mater. 2009, 21, 1–5 2009 WILEY-VCH Verlag Gmb We demonstrate print-deposition of high resolution, patterned, multicolored thin films of luminescent colloidal quantum dot (QD)-polymer composites and use the printed patterns in fabricating robust, bright, full-color AC-driven displays. The benefits of AC electroluminescent (EL) displays include simple, low-cost fabrication and high reliabil...

Journal: :Journal of physics 2023

Abstract Fiber Optic Gyroscope is an angular velocity sensitive device based on Sagnac effect. Super Luminescent Diode (SLD) a widely used light source in fiber optic gyroscope, and its characteristics will directly affect the overall performance of gyroscope. In this paper, working mechanism SLD studied, photoelectric influence temperature driving current center wavelength are analyzed. Accord...

Journal: :Optics letters 2008
Alexander Zhdanov Mark P Kreuzer Satish Rao Andrey Fedyanin Petru Ghenuche Romain Quidant Dmitri Petrov

Using optical tweezers combined with luminescence measurements we detected the optical field around two optically trapped silica microspheres partially covered by metal. By monitoring the luminescence of rhodamine 6G we were able to observe an increase of the local field intensity owing to the coupling of the local surface plasmons at the surfaces of two spheres.

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