New method to obtain C_(60) and higher fullerenes

Iordache I.; Cristescu E.; Bondar A.M.

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New method to obtain C_(60) and higher fullerenes

机译：获得C_（60）和更高的富勒烯的新方法

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In this paper we describe a new experimental method to produce fullerenes with substantial yield, based on the simple vaporization of graphite rods in a low-frequency plasma jet. The proposed method is sustained by our earlier work on differently configured carbon structures produced by condensing carbon from vapor phase. Our goal is to provide a better-controlled, straightforward and low-cost method for generating large quantities of fullerene-containing carbon soot. A key feature of the vaporization apparatus is that it is a combination between arc discharge and plasma jet dissociation. The vaporization of the carbon rod is not driven by ohmic heating but rather by a discharge between the end of graphite rod and the cathode of the plasma-jet system. There are several attractive features of this procedure. First, variations in the parameters of plasma jet may be used to control systematically the size distribution of fullerene clusters. Secondly, this could be used for solid studies of larger fullerenes clusters since large clusters are only produced in low yield by the arc-discharge method. Also, we believe that there is great potential to investigate systematic doping of fullerene cluster using this technique since dopants can be easily introduced into the plasma jet prior to thermal dissociation.

机译：在本文中，我们描述了一种新的实验方法，该方法以在低频等离子体射流中简单地蒸发石墨棒为基础，以较高的收率生产富勒烯。我们早期的研究工作是通过汽相冷凝碳而产生的不同构型的碳结构而得以维持的。我们的目标是提供一种可控制的，直接的且低成本的方法，用于生成大量的含富勒烯的碳黑。汽化设备的关键特征是它是电弧放电和等离子体射流解离之间的结合。碳棒的汽化不是由欧姆加热驱动的，而是由石墨棒末端与等离子流系统阴极之间的放电驱动的。此过程有几个吸引人的功能。首先，等离子流参数的变化可用于系统地控制富勒烯簇的尺寸分布。其次，这可以用于较大富勒烯簇的固体研究，因为大簇仅通过电弧放电法以低收率生产。同样，我们认为使用这种技术研究富勒烯簇的系统性掺杂具有很大的潜力，因为在热离解之前可以很容易地将掺杂剂引入等离子体射流中。

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《Fullerene science and technology》 |1999年第1期|共5页
作者
Iordache I.; Cristescu E.; Bondar A.M.;
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正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
Fullerenes; Synthesis (chemical); Vaporization; Graphite; Plasma jets; Plasma applications; Soot; Electric arcs; Particle size analysis; Doping (additives); Dissociation; Cathodes; Plasma jet dissociation;

机译：富勒烯;合成（化学）;汽化;石墨;等离子射流;等离子应用;烟灰;电弧;颗粒尺寸分析;掺杂（添加剂）;离解;阴极;等离子射流离解;

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1. Bromination of [60]Fullerene. II. Crystal and Molecular Structure of [60]Fullerene Bromides, C_(60)Br_6, C_(60)Br_8, and C_(60)Br_(24) [J] . Sergei I. Troyanov, Pavel A. Troshin, Olga V. Boltalina, Fullerenes, nanotubes, and carbon nanostructures . 2003,第1期

机译：[60]富勒烯的溴化。二。 [60]富勒烯溴化物，C_（60）Br_6，C_（60）Br_8和C_（60）Br_（24）的晶体和分子结构
2. Electrooptical and Molecular Properties of Fullerene-Containing Poly(Methyl Methacrylates) Prepared by Introducing Fullerenes C_(60) and C_(70) into the Polymer Structure by Different Methods [J] . N.P.Evlampieva, M.A.Lopatin, A.V.Yakimanskii, Russian journal of applied chemistry . 2005,第1期

机译：通过不同方法将富勒烯C_（60）和C_（70）引入聚合物结构中制备的富勒烯聚甲基丙烯酸甲酯的电光和分子性质
3. Characterization of reactions of fullerene C_(60) with bromine. Crystal structures of bromofullerenes C_(60)Br_6,C_(60)Br_6 centre dot CS_2, C_(60)Br_8 centre dot CHBr_3 centre dot 2Br_2,and C_(60)Br_(24) centre dot C_6H_4C1_2 centre dot Br_2 [J] . P.A.Troshin, E.Kemnitz, S.I.Troyanov Russian Chemical Bulletin . 2004,第12期

机译：富勒烯C_（60）与溴的反应特征。溴富勒烯C_（60）Br_6，C_（60）Br_6中心点CS_2，C_（60）Br_8中心点CHBr_3中心点2Br_2和C_（60）Br_（24）中心点C_6H_4C1_2中心点Br_2的晶体结构
4. Plasmochemical synthesis fullerenes C_(60) and C_(70) at atmospheric pressure and the effect of fullerenes on hydration of Portland cement [C] . N N Smirnyagina, B O Tsyrenov, D E Dasheev, International Conference "Gas Discharge Plasmas and Their Applications" . 2020

机译：血浆化学合成富勒烯C_（60）和C_（70）在大气压下，富勒烯对波特兰水泥水合的影响
5. The zinc/copper reduction of C(60), C(70), and the homofullerene, C(61)H(2): A facile method for the synthesis of reduced fullerenes. [D] . Weedon, Brad Richard. 1999

机译：C（60），C（70）和高富勒烯C（61）H（2）的锌/铜还原：一种合成还原富勒烯的简便方法。
6. HPLC-ESI-MS method for C60 fullerene mitochondrial content quantification [O] . Anna Grebinyk, Sergii Grebinyk, Svitlana Prylutska, 2018

机译：HPLC-ESI-MS法测定C60富勒烯线粒体含量
7. Raman scattering in C_{60} and C_{48}N_{12} aza-fullerene: First-principles study [O] . Xie, Rui-Hua, Bryant, Garnett W., Smith Jr, Vedene H. 2003

机译：C_ {60}和C_ {48} N_ {12}氮杂富勒烯中的拉曼散射：第一原理研究
8. Theoretical and experimental investigations of fullerene derivatives: C60H2, C60H4, C 70H2 and C60(CH2)2 [R] . Jacobs, S J, Gillen, K T, Cahill, P A, 1993

机译：富勒烯衍生物的理论和实验研究：C60H2，C60H4，C70H2和C60（CH2）2

New method to obtain C_(60) and higher fullerenes

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