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Optically-addressable spin qubits form the foundation of a new generation of emerging nanoscale sensors. The engineering of these sensors has mainly focused on solid-state systems such as the nitrogen-vacancy (NV) center in diamond.…

Polynorbornene-based decomposable polymer which can be patterned with ultraviolet or electron-beam radiation is used to create micrometer-scale fluidic channels. Silicon nitride substrates are used to fabricate nanophotonic wavegide and…

光学 · 物理学 2015-03-10 Ehsan Shah Hosseini , Mehrsa Raeis Zadeh , Paul Kohl , Ali Adibi

Studies of photoluminescence (PL) can provide fundamental insight into the optical properties of semiconductor nanoparticles (NPs) but the same is being limited by NP size distribution and low luminescence yield. Inorganic semiconductor…

材料科学 · 物理学 2010-05-04 A. M. P. Hussain , S. N. Sarangi , S. N. Sahu

Using the highly localized current of electrons tunneling through a double barrier Scanning Tunneling Microscope (STM) junction, we excite luminescence from a selected C$_{60}$ molecule in the surface layer of fullerene nanocrystals grown…

Nanoscrolls (papyrus-like nanostructures) are very attractive structures for a variety of applications, due to their tunable diameter values and large accessible surface area. They have been successfully synthesized from different…

材料科学 · 物理学 2019-06-05 Eric Perim , Douglas S. Galvao

Arrays of fluorescent nanoparticles are highly sought after for applications in sensing and nanophotonics. Here we present a simple and robust method of assembling fluorescent nanodiamonds into macroscopic arrays. Remarkably, the yield of…

We report fluorescence blinking statistics measured from single CdSe nanorods (NRs) of seven different sizes with aspect ratio ranging from 3 to 11. This study included core/shell CdSe/ZnSe NRs and core NRs with two different surface…

材料科学 · 物理学 2007-05-23 Siying Wang , Claudia Querner , Thomas Emmons , Marija Drndic , Catherine H. Crouch

Single-wall carbon nanotube are considered a fascinating nanomaterial for photonic applications and are especially promising for efficient light emitter in the telecommunication wavelength range. Furthermore, their hybrid integration with…

光学 · 物理学 2015-08-06 Adrien Noury , Xavier Le Roux , Laurent Vivien , Nicolas Izard

We show using molecular dynamics simulation that spatial confinement of water inside carbon nanotubes (CNT) substantially increases its boiling temperature and that a small temperature growth above the boiling point dramatically raises the…

材料科学 · 物理学 2012-02-08 Vitaly V. Chaban , Oleg V. Prezhdo

The fluorescence yield for dry air and pure nitrogen excited by electrons is calculated using a combination of well-established molecular properties and experimental data of the involved cross sections. Particular attention has been paid to…

天体物理学 · 物理学 2011-07-19 F. Arqueros , F. Blanco , A. Castellanos , M. Ortiz , J. Rosado

Photoluminescence properties of semiconducting single wall carbon nanotubes (s-SWNT) thin films with different metallic single wall carbon nanotubes (m-SWNT) concentrations are reported. s-SWNT purified samples are obtained by polymer…

Carbon nanotube (CNT) based electronic devices are promising for beyond-silicon solid-state electronics and vacuum micro-nano-electronics. Despite rapid progress in CNT field-effect transistor related solid-state electronics, the…

应用物理 · 物理学 2021-03-10 Nannan Li , Fei Yan , Baoqing Zeng , Yi Luo

Optimized growth of Single Wall Carbon Nanotubes requires a full knowledge of the actual state of the catalyst nanoparticle and its interface with the tube. Using Tight Binding based atomistic computer simulations, we calculate carbon…

Fluorescent nanodiamonds containing negatively-charged nitrogen-vacancy (NV$^-$) centers are promising for a wide range of applications, such as for sensing, as fluorescence biomarkers, or to hyperpolarize nuclear spins. NV$^-$ centers are…

In this study, the synthesis of multi-walled carbon nanotubes (MWCNTs) was carried out by chemical vapor deposition (CVD) using propane as the carbon source and Si as the catalyst support. The effect of CVD process variables such as…

应用物理 · 物理学 2018-08-21 Joydip Sengupta

Semiconducting single-wall carbon nanotubes (SWCNTs) are a promising material platform for near-infrared in-vivo imaging, optical sensing, and single-photon emission at telecommunication wavelengths. The functionalization of SWCNTs with…

材料科学 · 物理学 2024-11-20 Finn L. Sebastian , Simon Settele , Han Li , Benjamin S. Flavel , Jana Zaumseil

We propose and demonstrate a method to achieve large effective Soret coefficient in colloids by suitably mixing two different particles, e.g., silica beads and Fe3O4 nanoparticles. It is shown that the thermophoretic motion of Fe3O4…

软凝聚态物质 · 物理学 2012-08-02 Hai-Dong Deng , Ting Sun , Zhi-Cheng Fu , Hai-Ying Liu , Qiao-Feng Dai , Li-Jun Wu , Sheng Lan , Venu Gopal Achanta

Single-walled carbon nanotubes (SWNTs) are typically long (>100 nm) and have been well established as novel quasi one-dimensional systems with interesting electrical, mechanical, and optical properties. Here, quasi zero-dimensional SWNTs…

材料科学 · 物理学 2008-04-30 Xiaoming Sun , Sasa Zaric , Dan Daranciang , Kevin Welsher , Yuerui Lu , Xiaolin Li , Hongjie Dai

Carbon nanotubes play a fundamental role in the rapidly developing field of nanoscience and nanotechnology because of their unique properties and high potential applictions. In this article, the different synthesis method of CNTs are…

材料科学 · 物理学 2007-05-23 Kalpana Awasthi , Anchal Srivastava , O. N. Srivastava

Polymer-sorted high-density carbon nanotube (CNT) arrays have shown great potential to extend the silicon-based Moore's law. Imaging the CNT arrays on insulators like SiO2/Si using low-voltage scanning electron microscopy (LVSEM) to acquire…

应用物理 · 物理学 2023-06-06 Boxiang Zhang , Zhiyong Zhang , Chuanhong Jin
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