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Fe(3)O(4)-Au和Fe(2)O(3)-Au混合纳米棒：逐层组装合成及其磁光性质。

Fe(3)O(4)-Au and Fe(2)O(3)-Au Hybrid Nanorods: Layer-by-Layer Assembly Synthesis and Their Magnetic and Optical Properties.

作者信息

Zhu Hongliang, Zhu Enze, Ou Guofu, Gao Linhui, Chen Jianjun

出版信息

Nanoscale Res Lett. 2010 Aug 1;5(11):1755-1761. doi: 10.1007/s11671-010-9706-y.

DOI:10.1007/s11671-010-9706-y
PMID:21124641
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2964503/
Abstract

A layer-by-layer technique has been developed to synthesize FeOOH-Au hybrid nanorods that can be transformed into Fe(2)O(3)-Au and Fe(3)O(4)-Au hybrid nanorods via controllable annealing process. The homogenous deposition of Au nanoparticles onto the surface of FeOOH nanorods can be attributed to the strong electrostatic attraction between metal ions and polyelectrolyte-modified FeOOH nanorods. The annealing atmosphere controls the phase transformation from FeOOH-Au to Fe(3)O(4)-Au and α-Fe(2)O(3)-Au. Moreover, the magnetic and optical properties of as-synthesized Fe(2)O(3)-Au and Fe(3)O(4)-Au hybrid nanorods have been investigated.

摘要

已开发出一种逐层技术来合成FeOOH-Au混合纳米棒，该纳米棒可通过可控退火过程转化为Fe₂O₃-Au和Fe₃O₄-Au混合纳米棒。金纳米颗粒在FeOOH纳米棒表面的均匀沉积可归因于金属离子与聚电解质修饰的FeOOH纳米棒之间的强静电吸引力。退火气氛控制从FeOOH-Au到Fe₃O₄-Au和α-Fe₂O₃-Au的相变。此外，还研究了合成的Fe₂O₃-Au和Fe₃O₄-Au混合纳米棒的磁性和光学性质。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d4e/3241489/1cddee8acf0b/1556-276X-5-1755-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d4e/3241489/50dd850899dd/1556-276X-5-1755-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d4e/3241489/9aa287e62b71/1556-276X-5-1755-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d4e/3241489/ca4ca54bd2aa/1556-276X-5-1755-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d4e/3241489/a932e4d19f24/1556-276X-5-1755-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d4e/3241489/1cddee8acf0b/1556-276X-5-1755-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d4e/3241489/50dd850899dd/1556-276X-5-1755-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d4e/3241489/9aa287e62b71/1556-276X-5-1755-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d4e/3241489/ca4ca54bd2aa/1556-276X-5-1755-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d4e/3241489/a932e4d19f24/1556-276X-5-1755-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d4e/3241489/1cddee8acf0b/1556-276X-5-1755-5.jpg

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