Synthesis of silver/montmorillonite nanocomposites using γ-irradiation

材料科学 硝酸银 核化学 纳米复合材料 蒙脱石 辐照 银纳米粒子 透射电子显微镜 傅里叶变换红外光谱 粒径 扫描电子显微镜 水溶液 纳米颗粒 化学工程 分析化学(期刊) 纳米技术 化学 复合材料 有机化学 物理 核物理学 工程类
作者
Kamyar Shameli,Mansor Bin Ahmad,Wan Zin Yunis,Nor Azowa Ibrahim,Majid Darroudi,Yadollah Gharayebi,Sajjad Sedaghat
出处
期刊:International Journal of Nanomedicine [Dove Medical Press]
卷期号:Volume 5: 1067-1077 被引量:108
标识
DOI:10.2147/ijn.s15033
摘要

Silver nanoparticles (Ag-NPs) were synthesized into the interlamellar space of montmorillonite (MMT) by using the γ-irradiation technique in the absence of any reducing agent or heat treatment. Silver nitrate and γ-irradiation were used as the silver precursor and physical reducing agent in MMT as a solid support. The MMT was suspended in the aqueous AgNO(3) solution, and after the absorption of silver ions, Ag(+) was reduced using the γ-irradiation technique. The properties of Ag/MMT nanocomposites and the diameters of Ag-NPs were studied as a function of γ-irradiation doses. The interlamellar space limited particle growth (d-spacing [d(s)] = 1.24-1.42 nm); powder X-ray diffraction and transmission electron microscopy (TEM) measurements showed the production of face-centered cubic Ag-NPs with a mean diameter of about 21.57-30.63 nm. Scanning electron microscopy images indicated that there were structure changes between the initial MMT and Ag/MMT nanocomposites under the increased doses of γ-irradiation. Furthermore, energy dispersive X-ray fluorescence spectra for the MMT and Ag/ MMT nanocomposites confirmed the presence of elemental compounds in MMT and Ag-NPs. The results from ultraviolet-visible spectroscopy and TEM demonstrated that increasing the γ-irradiation dose enhanced the concentration of Ag-NPs. In addition, the particle size of the Ag-NPs gradually increased from 1 to 20 kGy. When the γ-irradiation dose increased from 20 to 40 kGy, the particle diameters decreased suddenly as a result of the induced fragmentation of Ag-NPs. Thus, Fourier transform infrared spectroscopy suggested that the interactions between Ag-NPs with the surface of MMT were weak due to the presence of van der Waals interactions. The synthesized Ag/MMT suspension was found to be stable over a long period of time (ie, more than 3 months) without any sign of precipitation.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
yixiaolou完成签到,获得积分10
刚刚
宇宇发布了新的文献求助10
1秒前
loong发布了新的文献求助10
1秒前
Blue发布了新的文献求助10
2秒前
失眠的夜梦完成签到,获得积分10
4秒前
谓风完成签到,获得积分10
5秒前
恋雅颖月应助乐观的寻绿采纳,获得10
5秒前
Shrine完成签到,获得积分10
5秒前
英姑应助紫色奶萨采纳,获得10
7秒前
8秒前
9秒前
希望天下0贩的0应助Jay采纳,获得10
10秒前
10秒前
爆米花应助zewangguo采纳,获得10
11秒前
斯文败类应助loong采纳,获得10
12秒前
深情安青应助Xin采纳,获得10
13秒前
和花花发布了新的文献求助10
13秒前
摩卡完成签到,获得积分10
14秒前
15秒前
16秒前
端庄毛巾完成签到,获得积分10
16秒前
17秒前
17秒前
17秒前
张雯思发布了新的文献求助10
19秒前
ding应助Nugget采纳,获得10
19秒前
幸福大白发布了新的文献求助30
22秒前
wdy111举报ZZZ求助涉嫌违规
23秒前
zewangguo发布了新的文献求助10
23秒前
24秒前
高大的冰双完成签到,获得积分10
25秒前
27秒前
987完成签到 ,获得积分10
28秒前
loong完成签到,获得积分10
28秒前
紫色奶萨发布了新的文献求助10
29秒前
zewangguo完成签到,获得积分10
29秒前
30秒前
如意手链完成签到,获得积分10
31秒前
DongWei95发布了新的文献求助30
32秒前
锦诗完成签到,获得积分10
33秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
‘Unruly’ Children: Historical Fieldnotes and Learning Morality in a Taiwan Village (New Departures in Anthropology) 400
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3989406
求助须知:如何正确求助?哪些是违规求助? 3531522
关于积分的说明 11254187
捐赠科研通 3270174
什么是DOI,文献DOI怎么找? 1804901
邀请新用户注册赠送积分活动 882105
科研通“疑难数据库(出版商)”最低求助积分说明 809174