Results 41 to 50 of about 3,970 (183)

Energy transfer in colloidal CdTe quantum dot nanoclusters

Optics Express, 2010
Quantum dot (QD) nanoclusters were formed using oppositely charged colloidal CdTe QDs, of two different sizes, mixed in aqueous solutions. The photoluminescence (PL) spectra and time-resolved PL decays show signatures of Förster resonant energy transfer (FRET) from the donor QDs to the acceptor QD in the nanoclusters.
Clare, Higgins, Manuela, Lunz, A Louise, Bradley, Valerie A, Gerard, Stephen, Byrne, Yurii K, Gun'ko, Vladimir, Lesnyak, Nikolai, Gaponik   +7 more
openaire   +4 more sources

Nature‐Derived Chitosan Biopolymer: A Promising Candidate for Sustainable Electronics

Advanced Materials Technologies, EarlyView.
In the creation of environmentally friendly devices, nature‐derived chitosan biopolymer is a promising contender for sustainable electronic research. It can be utilized to create more ecologically friendly scalable gadgets and has a variety of uses in different active layers of electronics.
Joshua McDonald, Ali Nawaz, Amandeep Singh, Prashant Sonar   +3 more
wiley   +1 more source

EFEITO DA ESTRUTURA MOLECULAR DE LIGANTES DE SUPERFÍCIE EM PONTOS QUÂNTICOS DE CdTe DISPERSOS EM ÁGUA

Química Nova, 2015
Water-soluble CdTe quantum dots are synthesized to investigate how short-chain surface ligands bearing -SH, -COOH, and -NH2 groups interact with CdTe during nucleation/growth processes.
Brener R. C. Vale, Kayo O. Vieira, José C. L. Sousa, Jefferson L. Ferrari, Marco A. Schiavon   +4 more
doaj   +1 more source

Sonoelectrochemical synthesis of water-soluble CdTe quantum dots

Ultrasonics Sonochemistry, 2014
A facile and fast one-pot method has been developed for the synthesis of CdTe quantum dots (QDs) in aqueous phase by a sonoelectrochemical route without the protection of N2. The morphology, structure and composition of the as-prepared products were investigated by high resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD) and ...
Jian-Jun, Shi, Sheng, Wang, Ting-Ting, He, E S, Abdel-Halim, Jun-Jie, Zhu   +4 more
openaire   +2 more sources

Type‐II Dirac Fermions in Monolayer In2O: Interplay of Magnetotransport, Spin Hall Effect, and Superconductivity

Advanced Science, EarlyView.
First‐principles calculations reveal that monolayer In2O${\rm In}_2{\rm O}$ hosts type‐II Dirac fermions near the Fermi level, which split into Weyl points under spin‐orbit coupling. The material exhibits negative and giant magnetoresistance, a pronounced spin Hall effect, and phonon‐mediated superconductivity at 1.5 K, establishing it as a unique ...
Qing‐Bo Liu, De‐Ming Feng, Wen‐Neng Zhao, Yu‐Yang Zhao, Lun Xiong, Xing‐Yi Tan, Hua‐Hua Fu   +6 more
wiley   +1 more source

Luminous composite ultrathin films of CdTe quantum dots/silk fibroin co-assembled with layered doubled hydroxide: Enhanced photoluminescence and biosensor application

Journal of Materiomics, 2018
Quantum dots (QDs) luminescent films are extensively applied to optoelectronics and optical devices. However, QDs aggregation results in the quenching of their fluorescence property which limits their practical applications to a greater extent.
Muhammad Sohail Haroone, Ling Li, Aftab Ahmad, Yaping Huang, Ruili Ma, Ping Zhang, Yuehua Hu, Qari Muhammad Kaleem, Jun Lu   +8 more
doaj   +1 more source

CdTe and CdSe Quantum Dots Cytotoxicity: A Comparative Study on Microorganisms [PDF]

Sensors, 2011
Quantum dots (QDs) are colloidal semiconductor nanocrystals of a few nanometers in diameter, being their size and shape controlled during the synthesis. They are synthesized from atoms of group II–VI or III–V of the periodic table, such as cadmium telluride (CdTe) or cadmium selenium (CdSe) forming nanoparticles with fluorescent characteristics ...
Suzete A. O. Gomes, Cecilia Stahl Vieira, Diogo B. Almeida, Jacenir R. Santos-Mallet, Rubem F. S. Menna-Barreto, Carlos L. Cesar, Denise Feder   +6 more
openaire   +3 more sources

Nanomaterials for Allergy Diagnosis and Treatment: Advances, Opportunities and Translational Challenges

Advanced Science, EarlyView.
Nanomaterials offer dual applications in allergy management. For diagnosis, nanomaterials enhance analytical sensitivity and improve detection in specific IgE and functional assays such as the basophil activation test (BAT). For allergen‐specific immunotherapy, nanomaterials enable allergen masking and controlled release, and effectively modulate the ...
Madiha Habib, Shan Jiang, Joyce ZX Lee, CW Lim, HL Yeung, Nicki YH Leung, Patrick SC Leung, Ting F Leung, Christine YY Wai   +8 more
wiley   +1 more source

Green light emitting hydrophilic CdTe quantum dots with magic size signature

Next Materials
Synthesis of highly stable green light emitting CdTe quantum dots in aq. medium is discussed. The absorption spectroscopy revealed formation of dots of the size about 4 nm.
Priyanka Phalswal, Akshay P. Raj M, Vaibhav Singh, Devesh Khanna, Pawan K. Khanna   +4 more
doaj   +1 more source

Chemical Traps of Singlet Oxygen as Investigation Method of Mechanisms of Photo-Dynamic Therapy [PDF]

Журнал нано- та електронної фізики, 2013
The processes in photodynamic therapy using semiconductor nanomaterials, namely, quantum dots as photosensitizers were considered. The spectral characteristics of semiconductor quantum dots (CdTe coated by TGA), as well as processes with participation of
I.V. Berezovska, O.М. Bilash, N.N. Rozhytskii   +2 more
doaj