Results 71 to 80 of about 360,804 (296)

Research Progress on Quantum Dots and Their Reinforced Composite Coatings for Metal Corrosion Protection [PDF]

Cailiao Baohu
Quantum dots have attracted much attention due to their excellent biocompatibility，high specific surface area，ease of surface functionalization and diverse preparation methods.In recent years，significant progress has been made in the application of ...
ZHANG Heng, YAN Minglong, WU Yangmin
doaj   +1 more source

Nonadiabatic Electron Manipulation in Quantum-Dot Arrays

, 2004
A novel method of coherent manipulation of the electron tunneling in quantum-dots is proposed, which utilizes the quantum interference in nonadiabatic double-crossing of the discrete energy levels.
A. V. Shytov, D. Loss, L. Landau, M. I. Dykman, W. G. van der Wiel   +4 more
core   +1 more source

Intermolecular Interactions as Driving Force of Increasing Multiphoton Absorption in a Perylene Diimide‐Based Coordination Polymer

Advanced Functional Materials, EarlyView.
This study uncovers the unexplored role of intermolecular interactions in multiphoton absorption in coordination polymers. By analyzing [Zn2tpda(DMA)2(DMF)0.3], it shows how the electronic coupling of the chromophores and confinement in the MOF enhance two‐and three‐photon absorption.
Simon Nicolas Deger, Anna Mauri, Yang Cui, Sebastian Josef Weishäupl, Ali Deniz Özdemir, Hamad Syed, Aleksandr Ovsianikov, Wolfgang Wenzel, Alexander Pöthig, Jürgen Hauer, Mariana Kozlowska, Roland Augustinus Fischer   +11 more
wiley   +1 more source

Advancing Electronic Application of Coordination Solids: Enhancing Electron Transport and Device Integration via Surface‐Mounted MOFs (SURMOFs)

Advanced Functional Materials, EarlyView.
The layer‐by‐layer (LbL) assembly of coordination solids, enabled by the surface‐mounted metal‐organic framework (SURMOF) platform, is on the cusp of generating the organic counterpart of the epitaxy of inorganics. The programmable and sequential SURMOF protocol, optimized by machine learning (ML), is suited for accessing high‐quality thin films of ...
Zhengtao Xu, Christof Wöll, Stefan Bräse   +2 more
wiley   +1 more source

Graphene quantum dots probed by scanning tunneling spectroscopy and transport spectroscopy after local anodic oxidation

, 2015
Graphene quantum dots are considered as promising alternatives to quantum dots in III-V semiconductors, e.g., for the use as spin qubits due to their consistency made of light atoms including spin-free nuclei which both imply relatively long spin ...
Freitag, Nils, Liebmann, Marcus, Morgenstern, Markus, Pratzer, Marco, Vaid, Aviral   +4 more
core   +1 more source

NanoMOF‐Based Multilevel Anti‐Counterfeiting by a Combination of Visible and Invisible Photoluminescence and Conductivity

Advanced Functional Materials, EarlyView.
This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner, Ruben Maile, Murat Cuvalli, Andreas Wolf, Ayisha Komal, Robert Oestreich, Christoph Janiak, Karl Mandel, Alexander Knebel, Klaus Müller‐Buschbaum   +9 more
wiley   +1 more source

Novel function of ribosomal protein RPL14B: regulation of CdSe quantum dots biosynthesis in living Saccharomyces cerevisiae cells

Microbial Cell Factories
Biosynthesis of CdSe quantum dots is the process of converting metal ions into semiconductor nanomaterials. Studies have shown that CdSe quantum dots synthesized by Saccharomyces cerevisiae are rich in ribosomal proteins, but the role of ribosomal ...
Jiye Liu, Yong Li, Jiawei Tu, Daiwen Pang, Lipeng Zhong, Zhixiong Xie   +5 more
doaj   +1 more source

Combined atomic force microscopy and photoluminescence imaging to select single InAs/GaAs quantum dots for quantum photonic devices

Scientific Reports, 2017
We report on a combined photoluminescence imaging and atomic force microscopy study of single, isolated self-assembled InAs quantum dots. The motivation of this work is to determine an approach that allows to assess single quantum dots as candidates for ...
Luca Sapienza, Jin Liu, Jin Dong Song, Stefan Fält, Werner Wegscheider, Antonio Badolato, Kartik Srinivasan   +6 more
doaj   +1 more source

Triplet-singlet relaxation in semiconductor single and double quantum dots

, 2007
We study the triplet-singlet relaxation in two-electron semiconductor quantum dots. Both single dots and vertically coupled double dots are discussed. In our work, the electron-electron Coulomb interaction, which plays an important role in the electronic
C. G. Darwin, E. I. Rashba, G. D. Mahan, G. E. Pikus, K. Shen, M. I. D’yakonov, M. I. D’yakonov, M. W. Wu, P. Vogl   +8 more
core   +1 more source

Biodegradable and Recyclable Luminescent Mixed‐Matrix‐Membranes, Hydrogels, and Cryogels based on Nanoscale Metal‐Organic Frameworks and Biopolymers

Advanced Functional Materials, EarlyView.
The study presents biodegradable and recyclable mixed‐matrix membranes (MMMs), hydrogels, and cryogels using luminescent nanoscale metal‐organic frameworks (nMOFs) and biopolymers. These bio‐nMOF‐MMMs combine europium‐based nMOFs as probes for the status of the materials with the biopolymers agar and gelatine and present alternatives to conventional ...
Moritz Maxeiner, Julian Burkhart, Kateryna Borysova, Chiara Mazzariol, Klaus Müller‐Buschbaum   +4 more
wiley   +1 more source