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Materials Science
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Article
Open AccessShell-Controlled Photoluminescence in CdSe/CNT Nanohybrids
A new type of nanohybrids containing carbon nanotubes (CNTs) and CdSe quantum dots (QDs) was prepared using an electrostatic self-assembly method. The CdSe QDs were capped by various mercaptocarboxylic acids, ...
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Open AccessGrowth of Low-Density Vertical Quantum Dot Molecules with Control in Energy Emission
In this work, we present results on the formation of vertical molecule structures formed by two vertically aligned InAs quantum dots (QD) in which a deliberate control of energy emission is achieved. The emiss...
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Open AccessMorphology control and optical properties of SiGe nanostructures grown on glass substrate
With the rapid progress of nanotechnology, nanostructures with different morphologies have been realized, which may be very promising to enhance the performance of semiconductor devices. In this study, SiGe na...
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Open Accessg-B3N3C: a novel two-dimensional graphite-like material
A novel crystalline structure of hybrid monolayer hexagonal boron nitride (BN) and graphene is predicted by means of the first-principles calculations. This material can be derived via boron or nitrogen atoms ...
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Open AccessFerromagnetism in freestanding MoS2 nanosheets
Freestanding MoS2 nanosheets with different sizes were prepared through a simple exfoliated method by tuning the ultrasonic time in the organic solvent. Magnetic measurement results reveal the clear room-temperat...
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Open AccessControllable synthesis of MnO2/polyaniline nanocomposite and its electrochemical capacitive property
Polyaniline (PANI) and MnO2/PANI composites are simply fabricated by one-step interfacial polymerization. The morphologies and components of MnO2/PANI composites are modulated by changing the pH of the solution. ...
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Open AccessReduced graphene oxide aerogel with high-rate supercapacitive performance in aqueous electrolytes
Reduced graphene oxide aerogel (RGOA) is synthesized successfully through a simultaneous self-assembly and reduction process using hypophosphorous acid and I2 as reductant. Nitrogen sorption analysis shows that t...
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Open AccessSynthesis of CdTe quantum dot-conjugated CC49 and their application for in vitro imaging of gastric adenocarcinoma cells
The purpose of this experiment was to investigate the visible imaging of gastric adenocarcinoma cells in vitro by targeting tumor-associated glycoprotein 72 (TAG-72) with near-infrared quantum dots (QDs). QDs wit...
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Open AccessSulfur/graphitic hollow carbon sphere nano-composite as a cathode material for high-power lithium-sulfur battery
The intrinsic low conductivity of sulfur which leads to a low performance at a high current rate is one of the most limiting factors for the commercialization of lithium-sulfur battery. Here, we present an eas...
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Open AccessWurtzite copper-zinc-tin sulfide as a superior counter electrode material for dye-sensitized solar cells
Wurtzite and kesterite Cu2ZnSnS4 (CZTS) nanocrystals were employed as counter electrode (CE) materials for dye-sensitized solar cells (DSSCs). Compared to kesterite CZTS, the wurtzite CZTS exhibited higher electr...
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Open AccessDirac cone in α-graphdiyne: a first-principles study
We investigate the Dirac cone in α-graphdiyne, which is a predicted flat one-atom-thick allotrope of carbon using first-principles calculations. α-graphdiyne is derived from graphene where two acetylenic linkages...
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Open AccessCu2ZnSnSe4 nanocrystals capped with S2− by ligand exchange: utilizing energy level alignment for efficiently reducing carrier rec ombination
In this work, we employed a convenient one-step synthesis method for synthesizing Cu2ZnSnSe4 (CZTSe) nanocrystals (NCs) in an excess selenium environment. This excess selenium situation enhanced the reaction of m...
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Open AccessFabrication and characterization of well-aligned plasmonic nanopillars with ultrasmall separations
We show the fabrication of well-aligned gold and silver nanopillars with various array parameters via interference lithography followed by ion beam milling and compare the etching rates of these two metallic m...
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Open AccessTemperature dependence of sensitized Er3+ luminescence in silicon-rich oxynitride films
The temperature dependence of sensitized Er3+ emission via localized states and silicon nanoclusters has been studied to get an insight into the excitation and de-excitation processes in silicon-rich oxynitride f...
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Open AccessMorphological engineering of self-assembled nanostructures at nanoscale on faceted GaAs nanowires by droplet epitaxy
Fabrication of advanced artificial nanomaterials is a long-term pursuit to fulfill the promises of nanomaterials and it is of utter importance to manipulate materials at nanoscale to meet urgent demands of nan...
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Open AccessFunctional Application of Noble Metal Nanoparticles In Situ Synthesized on Ramie Fibers
Different functions were imparted to ramie fibers through treatment with noble metal nanoparticles including silver and gold nanoparticles. The in situ synthesis of silver and gold nanoparticles was achieved b...
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Open AccessEmission Characteristics of InGaN/GaN Core-Shell Nanorods Embedded in a 3D Light-Emitting Diode
We report the selective-area growth of a gallium nitride (GaN)-nanorod-based InGaN/GaN multiple-quantum-well (MQW) core-shell structure embedded in a three-dimensional (3D) light-emitting diode (LED) grown by ...
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Open AccessCreation and Transfer of Coherence via Technique of Stimulated Raman Adiabatic Passage in Triple Quantum Dots
We propose a scheme for creation and transfer of coherence among ground state and indirect exciton states of triple quantum dots via the technique of stimulated Raman adiabatic passage. Compared with the tradi...
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Open AccessOverview of Probe-based Storage Technologies
The current world is in the age of big data where the total amount of global digital data is growing up at an incredible rate. This indeed necessitates a drastic enhancement on the capacity of conventional dat...
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Open AccessDramatically Enhanced Visible Light Response of Monolayer ZrS2 via Non-covalent Modification by Double-Ring Tubular B20 Cluster
The ability to strongly absorb light is central to solar energy conversion. We demonstrate here that the hybrid of monolayer ZrS2 and double-ring tubular B20 cluster exhibits dramatically enhanced light absorptio...
