中国科学院大连化学物理研究所机构知识库
Advanced  
DICP OpenIR  > 中国科学院大连化学物理研究所  > 会议论文
学科主题: 物理化学
题名: Monodispersion of Nanoparticles in Channel of Porous Structures and the Related Applications in Catalysis
作者: Sun JM(孙军明) ;  Zhang H(张贺) ;  Ma D(马丁) ;  Bao XH(包信和)
会议名称: 2nd Euchems Chemistry Congress
会议日期: 2008-9-16
出版日期: 2008-09-16
会议地点: 意大利
通讯作者: 包信和
部门归属: 五室
主办者: 都灵大学
摘要: The controllable fabrication and thermal-stability of the nano-structured particles are currently becoming a very crucial issue concerning the so-called ""nanocatalysis"", and a recent development of super molecular self assembled porous mateials opens a new way obtain well defined guest nanocomposites. In this present report, a niew approach towards monodispersed and thermal stable metal nanoparticles by the nanoconfinement of orderd mesopoorous mateials will be presented , and three successive aspects related will be mainly illustrated. Firstly, we will introduce the recent progress in the functional control of the strucures of the mesoporous materials. Rational tuning of the structures, i.e. morphology, pore size and pore length, by controlling supernolecular self-assembly behavior, will be demonstrated. A novel synthesis of short-pore mesoporous materials is emphasized for their easy mass transfer in both biomolecule absorption and the facile assembly of metal nanocomposites within their pore channels. In the second part, the different routes for encapsulating monodispersed nanoparticles inside channels of porous materials are introduced, which mainly include the ion exchange/conventional incipient wetness impregnation, metal-organic chemical vapor deposition, and schemes making use of the silanols, etc. A facile in-situ auto-reduction route is highlighted to get monodipersed metal nanoparticles with tunable sizes inside the channels of mesoporous silica. Finally, a confinement effect of the channel of mesoporous materials is demonstrated towards improving thermal stability of monodispersed metal nanoparticles catalysts, and a especial emphasis will be focused on he stabilizing the metal nanoparticles with low Tammann temperature. Several catalytic reactions concering the metallic and oxide nanoparticles will be demonstrated, such as the oxidations of methanol over nano-silver catalysts and selectice hydrogenation of CO for forning ethanol over CNT confined Rh-Mn catalysts. It is well revealed that the confinement of the channel structures is rater unique, especially in stabilizing the metal nanoparticles catalysts, which is of great importance in the exploration of size dependent catalytic chemistry, and further understanding the nature of catalytic reactions.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/112934
Appears in Collections:中国科学院大连化学物理研究所_会议论文

Files in This Item:

There are no files associated with this item.


Recommended Citation:
Sun JM,Zhang H,Ma D,et al. Monodispersion of Nanoparticles in Channel of Porous Structures and the Related Applications in Catalysis[C]. 见:2nd Euchems Chemistry Congress. 意大利. 2008-9-16.
Service
 Recommend this item
 Sava as my favorate item
 Show this item's statistics
 Export Endnote File
Google Scholar
 Similar articles in Google Scholar
 [孙军明]'s Articles
 [张贺]'s Articles
 [马丁]'s Articles
CSDL cross search
 Similar articles in CSDL Cross Search
 [孙军明]‘s Articles
 [张贺]‘s Articles
 [马丁]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
  Add to CiteULike  Add to Connotea  Add to Del.icio.us  Add to Digg  Add to Reddit 
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Powered by CSpace