نتایج جستجو برای: SWNT

تعداد نتایج: 1096  

Journal: :Carbon 2021

An alternative approach toward understanding and advancing hydrogel-based single walled carbon nanotube (SWNT) purification is described employed. Experimental atomistic modeling analysis of the leading hydrogel for SWNT purification, Sephacryl S200, affords creation gels that mimic its behavior in terms dependent interaction properties. This achievement introduces a generalized optimization me...

L. Mahdavian

Polychlorinated Biphenyls (PCBs) have been widely used to flame-retard products common in homes and theworkplace, and subsequently. Polychlorinated biphenyls (PCBs) typify a class of highly toxic, stable aromaticpollutants. PCBs are recently being scrutinized for potential environment damage in groundwater and in theatmosphere. The elimination of chemical pollutants from a contaminated environm...

Polycyclic aromatic hydrocarbons (such as, anthracene, benzo[a]pyrene and so on) are non-polar, hydrophobic compounds, which are not ionized. They are only slightly soluble in water. They are very dangerous compounds in the environment. The single-walled carbon nanotube (SWNT) is used for removal and conversion of anthracene to low-risk products. In this study, electron transfer between anthrac...

Journal: :organic chemistry research 0
leila mahdavian doroud branch, islamic azad university, p.o. box: 133. doroud. iran

polycyclic aromatic hydrocarbons (such as, anthracene, benzo[a]pyrene and so on) are non-polar, hydrophobic compounds, which are not ionized. they are only slightly soluble in water. they are very dangerous compounds in the environment. the single-walled carbon nanotube (swnt) is used for removal and conversion of anthracene to low-risk products. in this study, electron transfer between anthrac...

2016
Fangming Du John E. Fischer Karen I. Winey

A coagulation method that provides better dispersion of SWNT in the polymer matrix has been used to produce single-walled carbon nanotube (SWNT)/poly(methyl methacrylate) (PMMA) composites. Optical microscopy and SEM show improved dispersion of SWNT in the PMMA matrix, which is a key factor in composite performance. Aligned and unaligned composites were made with purified SWNT with different SW...

Journal: :Global Journal of Science Frontier Research 2022

We will study the competitive effect between transport of a quantum dot adsorbed to ballistic channel and laterally coupled single-walled carbon nanotube (SWNT). use “tight-binding" approach analytically write SWNT Green's function be solved by atomic method for. present curves electronic density states for some different sizes nanotubes. The results conductance presented as values n hopping dot.

2016
Reto Haggenmueller Fangming Du John E. Fischer Karen I. Winey

An interfacial polymerization method for nylon 6,6 was adapted to produce nanocomposites with single wall carbon nanotubes (SWNT) via in situ polymerization. SWNT were incorporated in purified, functionalized or surfactant stabilized forms. The functionalization of SWNT was characterized by FTIR, Raman spectroscopy and TGA and the SWNT dispersion was characterized by optical microscopy before a...

Journal: :Nanotechnology 2010
Liangbing Hu Jianfeng Li Jun Liu George Grüner Tobin Marks

We study in detail here the application of transparent, conductive carbon single-wall nanotube (SWNT) networks as electrodes in flexible organic light-emitting diodes (FOLEDs). Overall comparisons of these networks to the commonly used electrodes poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) and indium tin oxide (ITO) are made, and SWNT networks are shown to have excellen...

Journal: :Physical review letters 2010
Yosuke Kanai Vaikunth R Khalap Philip G Collins Jeffrey C Grossman

Motivated by recent experiments, we investigate how NO3-SWNT interactions become energetically favorable with varying oxidation state of a single-walled carbon nanotube (SWNT) using first-principles calculations. Chemisorption becomes less endothermic with respect to physisorption when the SWNT oxidation state is elevated. Importantly, the dissociative incorporation of an oxygen atom into the S...

ژورنال: نانو مواد 2015
بزرگمهر مداح حمید پزشک سمیه فرهنگ دهقان فریده گلبابایی مسعود لطیفی مهدی حسن‌زاده

تخلخل به عنوان نسبت حجم فضاهایی خالی به حجم کل فیلتر، یکی از مهمترین مشخصه‌های فیلتراسیون در نظر گرفته می‌شود. مطالعه حاضر اثر افزودن نانولوله کربنی تک‌جداره (SWNT) بر میزان تخلخل فیلترهای نانولیفی بی‌بافت پلیمری حاصل از فرآیند الکتروریسی را مورد بررسی قرار می‌دهد. بدین منظور دو نوع محلول الکتروریسی آماده گردید. طرح آزمایش از طریق روش رویه پاسخ تهیه شد که در آن پارامترهای الکتروریسی شامل غلظت م...

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