本文通过调节环境pH酸碱度改变聚电解质膜中氨基基团的键合状态,以控制聚电解质膜表面金纳米粒子的原位还原与自组装过程中的聚集行为,发现当聚电解质膜经pH为5.40的去离子水处理后可在其表面制备出片状金纳米结构;经pH为0.65的强酸溶液处理后,可在膜表面制备出树枝状的金纳米结构,且尺寸比pH为5.40条件下增大一倍;经pH为12.77的强碱溶液处理后,金纳米粒子的聚集状态发生改变,形成了球形纳米结构;对金纳米粒子形貌的调控机理进行了初步探讨.
参考文献
| [1] | 吴世康,汪鹏飞.表面等离子共振（SPR）--一种新型化学检测方法的原理[J].影像科学与光化学,2008(02):157-168. |
| [2] | PRASHANT K. JAIN;XIAOHUA HUANG;IVAN H. EL-SAYED .Noble Metals on the Nanoscale: Optical and Photothermal Properties and Some Applications in Imaging, Sensing, Biology, and Medicine[J].Accounts of Chemical Research,2008(12):1578-1586. |
| [3] | Nathaniel L Rosi;Chad A.Mirkin .Nanostructures in Biodiagnostics[J].Chemical Reviews,2005(4):1547-1562. |
| [4] | 杜爱铭,任湘菱,唐芳琼,张琳,刘奉岭.基于金纳米棒-壳聚糖复合膜的葡萄糖生物传感器[J].影像科学与光化学,2008(04):271-279. |
| [5] | Hu M;Chen JY;Li ZY;Au L;Hartland GV;Li XD;Marquez M;Xia YN .Gold nanostructures: engineering their plasmonic properties for biomedical applications[J].Chemical Society Reviews,2006(11):1084-1094. |
| [6] | Qu L T;Dai L M .Novel silver nanostructures from silver mirror reaction on reactive substrates[J].Journal of Physical Chemistry B,2005,109:13985-13990. |
| [7] | Jixiang Fang;Xiaoni Ma;Hanhui Cai .Nanoparticle-aggregated 3D monocrystalline gold dendritic nanostructures[J].Nanotechnology,2006(23):5841-5845. |
| [8] | Xi Zhang;Feng Shi;Xi Yu;Huan Liu;Yu Fu;Zhiqiang Wang;Lei Jiang;Xiaoyuan Li .Polyelectrolyte Multilayer as Matrix for Electrochemical Deposition of Gold Clusters: Toward Super-Hydrophobic Surface[J].Journal of the American Chemical Society,2004(10):3064-3065. |
| [9] | Shuzhuo Zhang;Weihai Ni;Xiaoshan Kou;Man Hau Yeung;Lingdong Sun;Jianfang Wang;Chunhua Yan .Formation Of Gold And Silver Nanoparticle Arrays And Thin Shells On Mesostructured Silica Nanofibers[J].Advanced functional materials,2007(16):3258-3266. |
| [10] | Jorge Perez-Juste;Isabel Pastoriza-Santos;Luis M. Liz-Marzan;Paul Mulvaney .Gold nanorods: Synthesis, characterization and applications[J].Coordination chemistry reviews,2005(17/18):1870-1901. |
| [11] | Erik Dujardin;Long-Bao Hsin;C.R.Chris Wang;Stephen Mann .DNA-driven self-assembly of gold nanorods[J].Chemical communications,2001(14):1264-1265. |
| [12] | Antonios G. Kanaras;Zhenxin Wang;Andrew D. Bates;Richard Cosstick;Mathias Brust .Towards Multistep Nanostructure Synthesis: Programmed Enzymatic Self-Assembly of DNA/Gold Systems[J].Angewandte Chemie International Edition,2003(2):191-194. |
| [13] | Wang, W.-K.;Zheng, M.-L.;Chen, W.-Q.;Jin, F.;Cao, Y.-Y.;Zhao, Z.-S.;Duan, X.-M. .Microscale golden candock leaves self-aggregated on a polymer surface: Raman scattering enhancement and superhydrophobicity[J].Langmuir: The ACS Journal of Surfaces and Colloids,2011(7):3249-3253. |
| [14] | Khek-Khiang Chia;Robert E. Cohen;Michael F. Rubner .Amine-Rich Polyelectrolyte Multilayer Nanoreactors for in Situ Gold Nanoparticle Synthesis[J].Chemistry of Materials: A Publication of the American Chemistry Society,2008(21):6756-6763. |
| [15] | Richardson MJ;Johnston JH;Borrmann T .Monomeric and polymeric amines as dual reductants/stabilisers for the synthesis of gold nanocrystals: A mechanistic study[J].European journal of inorganic chemistry,2006(13):2618-2623. |
| [16] | Eustis S;El-Sayed MA .Why gold nanoparticles are more precious than pretty gold: Noble metal surface plasmon resonance and its enhancement of the radiative and nonradiative properties of nanocrystals of different shapes[J].Chemical Society Reviews,2006(3):209-217. |
| [17] | Patterson A L .The scherrer formula for x-ray particle size determination[J].Physical Review,1939,56:978-982. |
| [18] | Ostwald W Z .Studien uber die bildung und umwandlung fester korper[J].Zeitschrift für Physikalische Chemie,1897,22:289-330. |
| [19] | Mieszawska, AJ;Zamborini, FP .Gold nanorods grown directly on surfaces from microscale patterns of gold seeds[J].Chemistry of Materials,2005(13):3415-3420. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%