Journal ArticleDOI
53% Efficient Red Emissive Carbon Quantum Dots for High Color Rendering and Stable Warm White-Light-Emitting Diodes
Reads0
Chats0
TLDR
An ultraviolet (UV)-pumped CQD phosphors-based warm white light-emitting diode (WLED) is realized for the first time and achieves a color rendering index of 97.Abstract:
Red emissive carbon quantum dots (R-CQDs) with quantum yield of 53% is successfully prepared. An ultraviolet (UV)-pumped CQD phosphors-based warm white light-emitting diode (WLED) is realized for the first time and achieves a color rendering index of 97. This work provides a new avenue for the exploration of low cost, environment-friendly, and high-performance CQD phosphors-based warm WLEDs.read more
Citations
More filters
Journal ArticleDOI
A novel green phosphor Sr8ZnY(PO4)7:Eu2+, Ln3+ (Ln = Pr, Tm, Yb) with broad emission band for high color rendering white-lighting-emitting diodes
TL;DR: In this paper, a green-emitting phosphate phosphor (SZYP:Eu2+) was synthesized through hydrothermal reaction method and the crystal structure, photoluminescence properties as well as thermal stability of SZYP was investigated systematically.
Journal ArticleDOI
Ultra-stable Eu3+/Dy3+ co-doped CsPbBr3 quantum dot glass nanocomposites with tunable luminescence properties for phosphor-free WLED applications
Erdinç Erol,Naji Vahedigharehchopogh,Utku Ekim,Nazlıcan Uza,M. Çelikbilek Ersundu,A.E. Ersundu +5 more
TL;DR: In this article , an ultra-stable Eu3+/Dy3+ co-doped CsPbBr3 perovskite quantum dots (PQDs) with tunable color emissions from green to red and then white are synthesized via melt-quenching followed by heat-treatment method to be used in white light-emitting diodes (WLEDs).
Journal ArticleDOI
Fluorescent carbon dots with excellent moisture retention capability for moisturizing lipstick
Chen Dong,Mingsheng Xu,Shuna Wang,Menghui Ma,Ozioma Udochukwu Akakuru,Haizhen Ding,Aiguo Wu,Zhengbao Zha,Xuemei Wang,Hong Bi +9 more
TL;DR: In this article, the relationship between the structure of Car-CDs and its moisture retention capability is revealed, and the effective applications of carmine cochineal-derived CDs in moisturizing lipstick are demonstrated.
Journal ArticleDOI
Synthesis of high-efficient red carbon dots for pH detection
TL;DR: A facile one-step solvothermal route for the preparation of high-efficient red fluorescence carbon dots (RCDs) is developed using 2-aminophenol as carbon source as mentioned in this paper.
Journal ArticleDOI
The One-Step Preparation of Green-Emissioned Carbon Dots through Hydrothermal Route and Its Application
TL;DR: In this paper, the authors reported the preparation of green-emissioned CDs by a one-step hydrothermal route with DL-malic acid and ethylenediamine as raw materials and explored the impacts of the amount of reactants, the reaction time, and temperature upon the optical properties of prepared CDs, to select the optimal preparation parameters.
References
More filters
Journal ArticleDOI
Quantum-sized carbon dots for bright and colorful photoluminescence.
Ya-Ping Sun,Bing Zhou,Yi Lin,Wei Wang,K. A. Shiral Fernando,Pankaj Pathak,Mohammed J. Meziani,Barbara A. Harruff,Xin Wang,Haifang Wang,Pengju G. Luo,Hua Yang,Muhammet E. Köse,Bailin Chen,L. Monica Veca,Su-Yuan Xie +15 more
TL;DR: It is reported that nanoscale carbon particles (carbon dots) upon simple surface passivation are strongly photoluminescent in both solution and the solid state.
Journal ArticleDOI
Highly Photoluminescent Carbon Dots for Multicolor Patterning, Sensors, and Bioimaging
Shoujun Zhu,Qingnan Meng,Lei Wang,Junhu Zhang,Yubin Song,Han Jin,Kai Zhang,Hongchen Sun,Hai-Yu Wang,Bai Yang +9 more
TL;DR: A facile and highoutput strategy for the fabrication of CDs, which is suitable for industrial-scale production and is almost equal to fluorescent dyes, is discussed.
Journal ArticleDOI
Full-Color Light-Emitting Carbon Dots with a Surface-State-Controlled Luminescence Mechanism.
TL;DR: Carbon dots with tunable photoluminescence (PL) and a quantum yield of up to 35% in water were hydrothermally synthesized in one pot and separated via silica column chromatography, and these separated CDs emitted bright and stable luminescence in gradient colors under a single-wavelength UV light.
Journal ArticleDOI
Red, Green, and Blue Luminescence by Carbon Dots: Full‐Color Emission Tuning and Multicolor Cellular Imaging
TL;DR: The facile preparation and unique optical features make these CDs potentially useful in numerous applications such as light-emitting diodes, full-color displays, and multiplexed (UC)PL bioimaging.
Journal ArticleDOI
Carbon and Graphene Quantum Dots for Optoelectronic and Energy Devices: A Review
TL;DR: In this article, recent exciting progresses on CD and GQD-based optoelectronic and energy devices, such as light emitting diodes (LEDs), solar cells (SCs), photodetctors (PDs), photocatalysis, batteries, and supercapacitors are highlighted.