• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Advanced Functional Materials >Highly Stable Nanoporous Sulfur-Bridged Covalent Organic Polymers for Carbon Dioxide Removal
【24h】

Highly Stable Nanoporous Sulfur-Bridged Covalent Organic Polymers for Carbon Dioxide Removal

机译：用于二氧化碳去除的高度稳定的纳米多孔硫桥共价有机聚合物

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Carbon dioxide capture and separation requires robust solids that can stand harsh environments where a hot mixture of gases is often found. Herein, the first and comprehensive syntheses of porous sulfur-bridged covalent organic polymers (COPs) and their application for carbon dioxide capture in warm conditions and a wide range of pressures (0-200 bar) are reported. These COPs can store up to 3294 mg g~(-1) of carbon dioxide at 318 K and 200 bar while being highly stable against heating up to 400 °C. The carbon dioxide capacity of the COPs is also not hindered upon boiling in water for at least one week. Physisorptive binding is prevalent with isosteric heat of adsorptions around 24 kJ mol~(-1) M06-2X and RIMP2 calculations yield the same relative trend of binding energies, where, interestingly, the dimer of triazine and benzene play a cooperative role for a stronger binding of CO_2 (19.2 kj mol~(-1)) as compared to a separate binding with triazine (13.3 kj mol"1) or benzene (11.8 kj mol~(-1)).
机译：二氧化碳的捕获和分离需要坚固的固体，使其能够承受恶劣的环境，在该环境中经常会发现热的气体混合物。本文报道了多孔硫桥共价有机聚合物（COPs）的首次综合合成及其在温暖条件和宽压力（0-200 bar）下用于二氧化碳捕集的应用。这些COP可以在318 K和200 bar下存储多达3294 mg g〜（-1）的二氧化碳，同时对加热到400°C具有高度稳定性。 COPs在水中沸腾至少一周也不会阻碍其二氧化碳吸收能力。物理吸附是普遍存在的，吸附等排热大约在24 kJ mol〜（-1）时M06-2X和RIMP2计算得出相同的结合能相对趋势，有趣的是，三嗪和苯的二聚体起着协同作用，使结合能更强。与分别与三嗪（13.3 kj mol-1）或苯（11.8 kj mol-1）的结合相比，CO_2（19.2 kj mol-1）的结合。

著录项

  • 来源
    《Advanced Functional Materials》 |2013年第18期|2270-2276|共7页
  • 作者

    Hasmukh A. Patel; Ferdi Kamdas; Jeehye Byun; Joonho Park; Erhan Deniz; Ali Canlier; Yousung Jung; Mert Atilhan; Cafer T. Yavuz;

  • 作者单位

    Graduate School of EEWS Korea Advanced Institute of Science and Technology (KAIST)Daejeon 305-701, Republic of Korea;

    Department of Chemical Engineering Qatar University 2713 Doha, Qatar;

    Graduate School of EEWS Korea Advanced Institute of Science and Technology (KAIST)Daejeon 305-701, Republic of Korea;

    Graduate School of EEWS Korea Advanced Institute of Science and Technology (KAIST)Daejeon 305-701, Republic of Korea;

    Department of Chemical Engineering Qatar University 2713 Doha, Qatar;

    Graduate School of EEWS Korea Advanced Institute of Science and Technology (KAIST)Daejeon 305-701, Republic of Korea;

    Graduate School of EEWS Korea Advanced Institute of Science and Technology (KAIST)Daejeon 305-701, Republic of Korea;

    Department of Chemical Engineering Qatar University 2713 Doha, Qatar;

    Graduate School of EEWS Korea Advanced Institute of Science and Technology (KAIST)Daejeon 305-701, Republic of Korea;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号