Preparation and Characterization of Metallic Silver-Doped Silica Hybrid Membranes

您当前的位置：

首页 >

文章列表页 >

Preparation and Characterization of Metallic Silver-Doped Silica Hybrid Membranes

更新时间：2025-07-09

- Preparation and Characterization of Metallic Silver-Doped Silica Hybrid Membranes
- Vol. 44, Issue 12, Pages: 87-92(2010)
- 作者机构：
  
  1. 西安交通大学能源与动力工程学院,西安,710049
  2. 西安工程大学环境与化学工程学院,西安,710048
- 作者简介：
- 基金信息：
- DOI：
  CLC： O484
- Online First：10 December 2010，
  
  Published：2010
- 稿件说明：
移动端阅览
Preparation and Characterization of Metallic Silver-Doped Silica Hybrid Membranes[J]. 2010, 44(12): 87-92.
DOI：

Preparation and Characterization of Metallic Silver-Doped Silica Hybrid Membranes[J]. 2010, 44(12): 87-92. DOI：

摘要

采用溶胶-凝胶法

制备银掺杂的SiO

杂化溶胶和SiO

杂化膜

考察银的掺杂对杂化溶胶的性能和对杂化膜物理化学结构及水汽稳定性的影响.结果表明:随着银含量的增加

溶胶的黏度、粒径增大

凝胶时间缩短; 银在杂化膜中以纳米金属银的形式存在

金属银的掺杂对杂化材料的化学结构基本无影响

但使杂化膜的平均颗粒粒径、孔径和总孔体积略微增加; 在水汽环境中陈化后

载银SiO

杂化膜的H

渗透速率略有下降

而H

/CO

分离因子小幅升高; 金属银的掺杂增强了SiO

膜的水汽稳定性

实现了杂化膜中H

渗透速率和H

/CO

分离因子的同时增大.

Abstract

The silver-doped silica sol and hybrid membrane were prepared by sol-gel method. The influences of Ag dope on the sol properties

the physical and chemical structures and the steam stability of silica hybrid membranes were investigated. The results show that

with the increase of silver content

the viscosity and particle size of hybrid sol increase

and the gelation time decreases. The silver element in the hybrid membranes exists as metallic nano-silver. The loading of metallic silver exerts little influence on the chemical structure of the methyl-modified silica membranes but makes the mean particle size

pore size and total pore volume of the silica membranes larger. After aging in steam circumstances

the H

permeation rate of the silica hybrid membranes slightly decreases while the

/CO

permselectivity increases by a small margin. The doping of Ag improves the steam stability of silica membrane and increases the H

permeability and H

/CO

permselectivity in the silica hybrid membranes simultaneously.

关键词

Keywords

references

乔春珍,肖云汉. 碳制氢过程的比较及直接制氢分析[J]. 工程热物理学报,2005,26(5):729-732.

QIAO Chunzhen,XIAO Yunhan.Comparison of processes of hydrogen from carbon and analysis of hydrogen from carbon direct[J].Journal of Engineering Thermophysics,2005,26(5):729-732.

RAO A V,HEGDE N D,SHEWALE P M.Imperviousness of the hydrophobic silica aerogels against various solvents and acids[J].Appl Surf Sci,2007,253(9):4137-4141.

ROUESSAC V,FERREIRA P,DURAND J.Preparation of silica membranes inside macroporous alumina tubes by PECVD for hydrogen selectivity[J].Sep Purif Technol,2003,32(1/3):37-43.

SMAIHI M, JERMOUMI T, MARIGANN J,et al. Organic-inorganic gas separation membranes: preparation and characterization[J].J Membr Sci,1996,116(2):211-220.

韦奇,李健林,宋春林,等.憎水二氧化硅膜的制备、表征及水热稳定性研究[J].无机材料学报,2004,19(2):417-423.

WEI Qi,LI Jianlin,SONG Chunlin,et al.Preparation, characterization and hydrothermal stability of hydrophobic methyl-modified silica membrane[J].Journal of Inorganic Materials,2004,19(2):417-423.

DE VOS R M,VERWEIJ H.Improved performance of silica membranes for gas separation[J].J Membr Sci,1998,143(1/2):37-51.

RAO A V,HARANATH D.Effect of methyltrimethoxysilane as a synthesis component on the hydrophobicity and some physical properties of silica aerogels[J].Microporous Mesoporous Mater,1999,30(2/3):267-273.

焦力实,张波萍,丁昕祯,等.Ag/SiO2复合薄膜的溶胶凝胶法制备与光吸收特性[J].稀有金属材料与工程,2007,36(S1):882-884.

JIAO Lishi,ZHANG Boping,DING Xinzhen,et al.Sol-gel preparation of Ag/SiO2 nano-composite films and their optical absorption properties[J].Rare Metal Materials and Engineering,2007,36(S1):882-884.

RYU J H,CHANG D S,CHOI B G,et al.Fabrication of Ag nanoparticles-coated macroporous SiO2 structure by using polystyrene spheres[J].Mater Chem Phys,2007,101:486-491.

AMEEN K B,RAJASEKHARAN T,RAJASEKHARAN M V.Grain size dependence of physico-optical properties of nanometallic silver in silica aerogel matrix[J].J Non-Cryst Solids,2006,352:737-746.

DE G,LICCIULLI A,MASSARO C,et al.Silver nanocrystals in silica by sol-gel processing[J].J Non-Cryst Solids,1996,194:225-234.

YANG Jing,CHEN Jierong.Surface free energies and steam stability of methyl-modified silica membranes[J].J Porous Mater,2009,16(6):737-744.

沈钟,王果庭.胶体与表面化学[M].北京:化学工业出版社,1997:67-76.

集成电路钝化层薄膜的纳米力学性质研究. 西安交通大学学报, 2008,42(11):1345-1349.

激光照射金纳米微粒靶向细胞对细胞膜通透性的影响. 西安交通大学学报,2008,42(12):1560-1564.

中空纤维膜换热器传热传质特性的实验和理论研究. 西安交通大学学报,2009,43(5):40-45.

中空纤维膜溶液热交换器的传热传质模拟研究. 西安交通大学学报,2009,43(3):36-41.

孔间距对气膜冷却效率影响的数值模拟. 西安交通大学学报,2009,43(3):101-105.

汽轮机静叶表面水膜缝隙抽吸的试验研究. 西安交通大学学报,2009,43(1):20-23.

远程氧等离子体灭菌对基质材料表面性能的影响. 西安交通大学学报,2009,43(3):82-86.

TiO2光阳极有序微结构的纳米压印工艺. 西安交通大学学报,2009,43(11):90-94.

Si3N4与Si3N4-hBN陶瓷配副在水润滑下的摩擦化学行为. 西安交通大学学报,2009,43(9):75-80.

可溶性聚吡咯的合成及其光致发光性能. 西安交通大学学报,2009,43(11):121-124.

利用激波管实验装置研究丙烯/氧气/氮气混合气着火滞燃期. 西安交通大学学报,2010,44(1):9-12.

ZnO纳米线膜的可控生长及其量子限域效应研究. 西安交通大学学报,2010,44(4):82-86.

凹槽状动叶顶部非定常气膜冷却性能的研究. 西安交通大学学报,2010,44(5):5-9.

采用抗体包被纳米金多层自组装膜的HCG安培免疫传感器. 西安交通大学学报,2010,44(7):114-119.

射频溅射功率密度对Ga:ZnO透明导电薄膜性能的影响. 西安交通大学学报,2010,44(8):58-62.

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Sensitivity Analysis of Foil Geometrical Parameters for the Third-Generation CO2 Gas Foil Bearings Based on Design of Experiments Method

Energy Efficiency Optimization of the Cryogenic Air Separation Process for Electronic-Grade Ultra Pure Nitrogen

Numerical Simulation of Heat-Moisture Barrier Performance of a Horizontal Air Curtain in Cold Storage

Effects of Steam Addition on the Swirl Combustion and Emission Characteristics of Cracked Ammonia

A Structure-Semantics-Residual Collaborative Image Compression Framework：Towards Privacy Protection and High-Fidelity Reconstruction

Related Author

No data

Related Institution

No data

⁰