全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
材料工程  2013 

化学还原法制备小粒径金纳米粒子

DOI: 10.3969/j.issn.1001-4381.2013.05.006, PP. 28-32

Keywords: 金纳米颗粒,化学还原,硼氢化钠,聚乙烯吡咯烷酮

Full-Text   Cite this paper   Add to My Lib

Abstract:

以聚乙烯吡咯烷酮(PVP)为保护剂,用硼氢化钠还原氯金酸制备出金纳米颗粒,研究了还原剂和保护剂用量、反应温度及试剂加入顺序对金纳米颗粒粒径、形貌、分散性的影响。利用透射电子显微镜和紫外分光光度计对纳米金颗粒的形貌、分散性及尺寸进行表征。结果表明采用硼氢化钠为还原剂时,硼氢化钠与氯金酸的摩尔比为3.751,PVP与氯金酸的质量比为11,反应温度为100℃并且在氯金酸和PVP的混合溶液中迅速加入硼氢化钠制备的金纳米颗粒均一、平均粒径在4.3nm、分散性好。同时研究了各个影响因素的作用方式并分析了原因。

References

[1]  郑海霞,黄博能,胡君曼. 制备特定尺寸的纳米金颗粒方法及性能表征[J]. 北京大学学报:自然科学版, 2011, 47(5):1-9. ZHENG H X, HUANG B N, HU J M. Synthesis and characterization of gold nanoparticles with various diameters[J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2011, 47(5):1-9.
[2]  ROJLUECHAI S, CHAVADEJ S, SCHWANK J W, et al. Catalytic activity of ethy-lene oxidation over Au, Ag and Au-Ag catalysts: support effect[J]. Catal Commun, 2007, 8(3):57-64.
[3]  QIAN X M, PENG X H, ANSARI D O, et al. In vivo tumor targeting and spectroscopic detection with surface-enhanced Raman nanoparticle tags[J].Nature Biotechnology, 2008, 26(1):83-90.
[4]  PASQUATO L, RANCAN F, SCRIMIN P, et al. N-methylimidazole-functionalized gold nanoparticles as catalysts for cleavage of a carboxylic acid ester[J]. Chemical Communications, 2000, 22:2253-2254.
[5]  WANG M J, WANG L Y, YUAN H, et al. Immunosensors based on layer-by-layer self-assembled Au colloidal electrode for the electrochemical detection of antigen[J]. Electroanalysis, 2004, 16(9):757-764.
[6]  谢微,苏乐,沈爱国,等. 金纳米花生的制备及其SERS增强研究[J]. 分析化学, 2009, 37(增刊2):12.XIE W, SU L, SHEN A G, et al. Preparation of nano-gold peanut and research of their SERS enhancement[J]. Chinese Journal of Analytical Chemistry, 2009, 37(S2):12.
[7]  阮伟东,吕志成,纪楠,等. 紫外光引发还原制备金溶胶及其SERS活性的研究[J]. 光散射学报, 2006, 17(4):329-331.RUAN W D, LV Z C, JI N, et al. Preparation of gold colloid induced by ultraviolet irradiation and its application in SERS[J]. Chinese Journal of Light Scattering, 2006, 17(4):329-331.
[8]  SCAFFIDI J P, GREGAS M K, SEEWALDT V, et al.SERS-based plasmonic nanobiosensing in single living cells[J]. Anal Bioanal Chem, 2009, 393(19):1135-1141.
[9]  马立娜,刘殿骏,王振新. 金纳米粒子探针的合成及应用[J]. 分析化学, 2010, 38(1):1-7.MA L N, LIU D J, WANG Z X. Formation and application of gold nanoparticle probes[J]. Chinese Journal of Analytical Chemistry, 2010, 38(1):1-7.
[10]  周思凯,方少明,张伟. 金纳米粒子的最新研究进展[J]. 中国材料科技与设备, 2007, (5):1-5.ZHOU S K, FANG S M, ZHANG W. The latest research progress of gold nanoparticles[J]. Chinese Materials Science Technology & Equipment, 2007, (5):1-5.
[11]  殷焕顺,艾仕云,汪建民. 制备金纳米粒子的研究进展[J]. 材料研究与应用, 2007, 1(4):277-280. YIN H S, AI S Y, WANG J M. Progress in preparation and application of nano-gold particles[J].Journal of Guangdong Non-ferrous Metals, 2007, 1(4):277-280.
[12]  LINK S, EI-SAYED M A J. Size and temperature dependence of the plasmon absorption of colloidal gold nanoparticles[J]. Phys Chem B, 1999, 103(21): 4212-4217.
[13]  KOZLOVA A I, KOZLOVA A P, LIU H C, et al. A new approach to active supported Au catalysts[J]. Appl Catal A, 1999, 182(1):9-28.
[14]  BURDA C, GREEN T, LANDES C,et al.Optical Spectroscopy of Nanophase Material[M]. New York: Wiley, 2000.197-241.
[15]  彭思,严华. PVP在水相金纳米粒子表面吸附过程的研究[J]. 材料工程, 2008, (10):353-355. PENG S, YAN H. Coating process of PVP layer on nearly monodisperse aqueous dispersions of gold nanoparticles[J]. Journal of Materials Engineering, 2008, (10):353-355.
[16]  张翔,孙奎斌,周俊波. 硼氢化钠水解制氢技术研究进展[J]. 无机盐工业, 2010, 42(1):9-12. ZHANG X, SUN K B, ZHOU J B. Progress in hydrogen production technology from hydrolysis of sodium borohydride[J]. Inorganic Chemicals Industry, 2010, 42(1):9-12.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133