English
Related papers

Related papers: Doping single wall carbon nanotubes with different…

200 papers

Networks of semiconducting single-walled carbon nanotubes (SWNTs) are a promising material for thermoelectric energy harvesting due to their mechanical flexibility, solution processability, high Seebeck coefficients and high electrical…

A simple method to calculate the static electric polarization of single-walled carbon nanotube (SWNT) is obtained within the second-order perturbation approximation. The results are in agreement with the previous calculation within the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Xin Zhou , Hu Chen , Ou-Yang Zhong-can

Van der Waals single-layer materials are characterized by an inherent extremely low bending rigidity and therefore are prone to nanoscale structural modifications due to substrate interactions. Such interactions can induce excess charge…

We report the first doping of crystalline methylammonium lead bromide (MAPbBr$_3$) perovskite thin-films with CdSe/CdZnS core/shell quantum dots (QDs), using a soft-chemistry method that preserves their high quantum yield and other…

Chemical Physics · Physics 2021-10-26 Justine Baronnier , Julien Houel , Christophe Dujardin , Florian Kulzer , Benoit Mahler

We have studied emission properties of high-density excitons in single-walled carbon nanotubes through nonlinear photoluminescence excitation spectroscopy. As the excitation intensity was increased, all emission peaks arising from different…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Y. Murakami , J. Kono

Field electron emission (FE) from a structure-defined single-walled carbon nanotube (SWNT) was observed experimentally. A series of observations of the same SWNT by scanning electron microscopy, field emission microscopy and transmission…

Applied Physics · Physics 2019-04-02 Masaru Irita , Yoshikazu Homma

Single-walled carbon nanotubes are a promising material as quantum light sources at room temperature and as nanoscale light sources for integrated photonic circuits on silicon. Here we show that integration of dopant states in carbon…

Mesoscale and Nanoscale Physics · Physics 2018-08-24 A. Ishii , X. He , N. F. Hartmann , H. Machiya , H. Htoon , S. K. Doorn , Y. K. Kato

While addition of electrolyte to sodium dodecyl sulfate suspensions of single-wall carbon nanotubes has been demonstrated to result in significant brightening of the nanotube photoluminescence (PL), the brightening mechanism has remained…

We report on coupling between semiconducting single-wall carbon nanotubes (s-SWNT) photoluminescence and silicon microring resonators. Polyfluorene extracted s-SWNT deposited on such resonators exhibit sharp emission peaks, due to…

Optics · Physics 2015-08-06 Adrien Noury , Xavier Le Roux , Laurent Vivien , Nicolas Izard

Nitrogen doped single wall carbon nanotubes have many functional benefits. Doping opens the possibility to control the electronic energy levels, surface energy, surface reactivity and charge carrier density. The additional electron in the…

Materials Science · Physics 2021-02-01 Filippo Fedi , Oleg Domanov , Paola Ayala , Thomas Pichler

Recently, it was suggested that the polarization dependence of light absorption to a single-walled carbon nanotube is altered by carrier doping. We specify theoretically the doping level at which the polarization anisotropy is reversed by…

Mesoscale and Nanoscale Physics · Physics 2018-03-29 Ken-ichi Sasaki , Yasuhiro Tokura

In this work, phosphorous-doped single-walled carbon nanotubes have been synthesized by the thermal decomposition of trimethylphosphine using a high-vacuum chemical vapor deposition method. Furthermore, a modified…

Materials Science · Physics 2016-01-28 Georgina Ruiz-Soria , Toma Susi , Markus Sauer , Kazuhiro Yanagi , Thomas Pichler , Paola Ayala

We present a detailed study of the vibrational properties of Single Wall Carbon Nanotubes (SWNTs). The phonon dispersions of SWNTs are strongly shaped by the effects of electron-phonon coupling. We analyze the separate contributions of…

Materials Science · Physics 2007-07-10 Stefano Piscanec , Michele Lazzeri , John Robertson , Andrea Carlo Ferrari , Francesco Mauri

Controlling doping is essential for a successful integration of semiconductor materials into device technologies. However, the assessment of doping levels and the distribution of charge carriers in carbon nanotubes or other nanoscale…

We develop a mathematical framework to analyze electrochemical impedance spectra in terms of a distribution of diffusion times (DDT) for a parallel array of random finite-length Warburg (diffusion) or Gerischer (reaction-diffusion) circuit…

Chemical Physics · Physics 2018-03-21 Juhyun Song , Martin Z. Bazant

Two-dimensional (2D) compounds provide unique building blocks for novel layered devices and hybrid photonic structures. However, large surface-to-volume ratio in thin films enhances the significance of surface interactions and charging…

Semiconductor devices continue to press into the nanoscale regime, and new applications have emerged for which the quantum properties of dopant atoms act as the functional part of the device, underscoring the necessity to probe the quantum…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 I. Kuljanishvili , C. Kayis , J. F. Harrison , C. Piermarocchi , T. A. Kaplan , S. H. Tessmer , L. N. Pfeiffer , K. W. West

We report the first experimental observation of strong coupling effect in one-dimensional moir\'e crystals. We study one-dimensional double-wall carbon nanotubes (DWCNTs) in which van der Waals-coupled two single nanotubes form…

Mesoscale and Nanoscale Physics · Physics 2020-04-29 Sihan Zhao , Pilkyung Moon , Yuhei Miyauchi , Kazunari Matsuda , Mikito Koshino , Ryo Kitaura

A 1 $\mu$m long, field emitting, (5,5) single-walled, carbon nanotube (SWCNT) closed with a fullerene cap, and a similar open nanotube with hydrogen-atom termination, have been simulated using the MNDO (Modified Neglect of Diatomic Overlap)…

This work represents the first electro-thermal study of metallic single-wall carbon nanotubes (SWNTs) for interconnect applications. Experimental data and careful modeling reveal that self-heating is of significance in short (1 < L < 10 um)…

Mesoscale and Nanoscale Physics · Physics 2016-11-15 Eric Pop , David Mann , John Reifenberg , Kenneth Goodson , Hongjie Dai