We welcome your comments for improvement of this site and our
Security Details
Please enter the characters in the box below as you see them.
Thank you for helping us improve our site.
You do not have JavaScript enabled. Please enable JavaScript
to access the full features of the site or access our
For findings of exceptional significance from across the chemical sciences All articles free to read, free to publish* from 2015 *Open Access and publication charge waiver extended
Impact Factor
12 Issues per Year
Edge Article
Single-atom dispersed Co–N–C catalyst: structure identification and performance for hydrogenative coupling of nitroarenes
Corresponding authors
State Key Laboratory of Catalysis, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 ZhongShan Road, Dalian, China
University of Chinese Academy of Sciences, Beijing, China
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, China
Chem. Sci., 2016,7,
13 May 2016,
11 Jun 2016
First published online
13 Jun 2016
This article is licensed under a
Open Access
Download Citation
Please select your preferred reference management format to save bibliographic data.
ReferenceManager
This content is free, please choose one of the three options provided in the Log
in section to gain access.
Please choose one of the options provided in the log in section to gain access to
this content:
Co–N–C catalysts are promising candidates for substituting platinum in electrocatalysis and organic transformations. The heterogeneity of the Co species resulting from high-temperature pyrolysis, however, encumbers the structural identification of active sites. Herein, we report a self-supporting Co–N–C catalyst wherein cobalt is dispersed exclusively as single atoms. By using sub-?ngstr?m-resolution HAADF-STEM in combination with XAFS and DFT calculation, the exact structure of the Co–N–C is identified to be CoN4C8-1-2O2, where the Co center atom is coordinated with four pyridinic N atoms in the graphitic layer, while two oxygen molecules are weakly adsorbed on Co atoms in perpendicular to the Co–N4 plane. This single-atom dispersed Co–N–C catalyst presents excellent performance for the chemoselective hydrogenation of nitroarenes to produce azo compounds under mild reaction conditions.
Fetching data from CrossRef. This may take some time to load.
From Altmetric
Log in with your free Royal Society of Chemistry publishing personal account
Log in with your member or subscriber username
and password
&&&&&&&&&&&&&&&&&&&&&&&&&&&
Supplementary Info
PDF (6620K)Killearn, Scotland – At this site, you will be able to learn about the history of our village, explore the shops, pubs, and restaurants.
Subscribe to the Killearn website via Email
Enter your email address to subscribe to this website and receive notifications of new posts by email.
Email Address
Recent Posts
Categories
Random photos
Send to Email Address
Your Email Address
Post was not sent - check your email addresses!
Email check failed, please try again
Sorry, your blog cannot share posts by email.
%d bloggers like this:北京豫维科技有限公司
> 滤芯 – 滤棒 N9306823
滤芯 – 滤棒 N9306823
参考报价：
&超净高流速烃过滤棒2个高流速烃过滤器
&珀金埃尔默
英文名称：
&滤芯 – 滤棒
信息完整度：
供货周期：
仪信通银牌会员
名　称： 北京豫维科技有限公司
工商信息已核实
信用积分：500
厂商反馈速度
北京豫维产品分类
北京豫维科技有限公司是一家服务于色谱、光谱、质谱、实验室等技术服务的供应商，专门为国内的化学分析用户提供专业的实验室设计、仪器配备、耗材供应、分析方法开发和技术咨询等服务。公司有着多年的经验积累，我们以优质的服务为您提供帮助！我们秉承：“诚实守信、专业技术、优质服务”。我司主要经营品牌：安捷伦Agilent、岛津Shimadzu/GLSciences、铂金埃尔默PE、热电-赛默飞ThermoFisher、戴安Dionex、沃特世Waters、瑞思泰康Restek、杰斯特GS-Tek、德
北京豫维手机版
超净气体过滤器用扳手更换过滤器已成为历史；如今在每次更换捕集阱时不再需要拧松和紧固接头，从而可避免在此过程中使仪器系统受到污染。滤芯装置使气体过滤器可以快速且简单地实现更换。一块基座板使更换滤芯时不会混入环境中的空气。带有弹簧的制动阀在拆除过滤器时保持闭合，并且仅当新的过滤器锁定到合适位置后才会开启。载气纯度载气中氧气、湿气或其他微量污染物的含量应低于1ppm，以避免色谱柱退化并延长柱寿命和减少固定相的流失。使用高纯气体及载气管道净化器所带来的成本将会因柱寿命的延长和气相色谱仪维护次数的减少而得到补偿。污染物可导致温度设置期间出现鬼峰并降低分析数据的有效性。组成型气体也应不受污染，否则会引起基线波动和检测器噪音过大；检测器气体应该不含湿气和烃类，否则可导致基线噪音过大。气体净化器可除去气体源中的这些污染物，从而改善系统性能。特点和优势：高纯度输出确保气体纯度达到99.9999%更换滤芯时不需要工具，也不用通过快速断开基座板而关闭气体流可清晰查看指示器读数，以确定过滤器的更换时间提供氦气和氢气专用滤芯：安装后可进行15分钟的清洗操作带塑料罩的玻璃过滤器具有安全防护功能系列号容易追溯滤芯 – 滤棒订货信息：产品描述部件编号超净高流速烃过滤棒2个高流速烃过滤器N9306823超净高流速湿气过滤棒2个高流速湿气过滤器N9306824超净高流速AT型烃过滤棒2个带指示器的高流速烃过滤器N93068253根超净过滤棒用于1个三合一过滤器和2个二合一过滤器N93068264根超净过滤棒用于1个氧气过滤器、1个湿气过滤器和2个烃过滤器N9306827& b.telligent – spannende Jobs bei der etwas anderen Unternehmensberatung
b.telligent GmbH & Co. KG
.Hier erscheint die Video-Wiedergabe (ben?tigt JavaScript und Adobe Flash Player ab Version 8.0)!Sie haben entweder Javascript deaktiviert oder nicht die aktuelle Adobe Flash-Player-Version installiert.
MerkenVIDEO EMPFEHLEN
Die Unternehmensberatung b.telligent mit Fokus auf Business Intelligence in Unternehmen pr&sentiert sich im Video. Die Mitarbeiter von b.telligent sch&tzen die famili&re Atmosph&re und arbeiten t&glich l&sungsorientiert an neuen Zielen und Herausforderungen. Bewerben Sie sich auf einen der freien Jobs und erleben ebenfalls die Teamwork bei b.telligent!
Weitere Videos:
Rubrik: Repositorys
Views: 11.710
ATVISIO Consult GmbHSie wollen wissen, wie es ist, bei ATVISIO zu arbeiten. Wie es sich anf&hlt. ...
Rubrik: Repositorys
Views: 41.471
SV SparkassenVersicherung Holding AGBei der SV SparkassenkassenVersicherung wird die Ausbildung junger Menschen ...
Rubrik: Repositorys
Views: 20.707
Michael Page International (Deutschland) GmbHDie PageGroup Deutschland gew&hrt in regelm&&igen Abst&nden ...
Rubrik: Repositorys
Views: 7.275
Michael Page International (Deutschland) GmbHDie PageGroup Deutschland gew&hrt in regelm&&igen Abst&nden ...
Rubrik: Repositorys
Views: 6.744
Michael Page International (Deutschland) GmbHDie PageGroup Deutschland gew&hrt in regelm&&igen Abst&nden ...
Rubrik: Repositorys
Views: 12.271
Michael Page International (Deutschland) GmbHDie PageGroup Deutschland gew&hrt in regelm&&igen Abst&nden ...
ATVISIO Consult GmbH
SV SparkassenVersicherung Holding AG
Michael Page International (Deutschland) GmbH
Michael Page International (Deutschland) GmbH
96 Stellenangebote11 Videos6 Stellenangebote1 Videos1 Videos66 Stellenangebote1 Videos25 Stellenangebote6 Videos
noch kein Video vorgemerkt
keine Stellenangebote vorgemerkt自动化及工控仪表 >
> Edwards / GS Building Systems 102LSSLEDRG1 102LSSLEDRG1 – STDY LED LT SOURCE 24V
该厂商的其他商品
该厂商发布的资料
会员咨询：010-
技术咨询：010-
展会合作/友情链接：010-
传真：010-
地址：北京市海淀区彩和坊路10号（1+1大厦）5层(501-506)
深圳分公司电话：1 传真：7 邮编：518118 地址：深圳市龙岗区吉华路393号英达丰科技园A栋4层
Email:(使用时请把#换成@)