Lignocellulose-stabilized iron-palladium nanomagnetic biocomposites

被引：9

作者：

Aiello, Ashlee ^{[1
]}

Morey, Jennifer R. ^{[2
]}

Livi, Kenneth J. T. ^{[3
]}

DeLong, Hugh C. ^{[4
]}

ElBidweihy, Hatem ^{[5
]}

Trulove, Paul C. ^{[1
]}

Durkin, David P. ^{[1
]}

机构：

[1] US Naval Acad, Dept Chem, Annapolis, MD 21402 USA

[2] Johns Hopkins Univ, Dept Chem, Baltimore, MD 21218 USA

[3] Johns Hopkins Univ, Dept Mat Sci & Engn, Baltimore, MD 21218 USA

[4] US Army Res Off, Res Triangle Pk, NC 27709 USA

[5] US Naval Acad, Dept Elect & Comp Engn, Annapolis, MD 21402 USA

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2020年 / 497卷

关键词：

Nanomagnet; Lignocellulose; Iron; Palladium; Biocomposite; Superparamagnetism; CU BIMETALLIC CATALYSTS; MAGNETIC-PROPERTIES; NITRITE REDUCTION; PD; NANOPARTICLES; NITRATE; WATER; CELLULOSE; SELECTIVITY; TEMPERATURE;

D O I：

10.1016/j.jmmm.2019.165964

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study we report the synthesis and characterization of superparamagnetic Fe-Pd (1-75 at.% Fe) nanomagnets grown within a lignocellulose fiber matrix for future advanced material applications. The small (similar to 5 nm diameter) Fe-Pd nanoparticles are crystalline with spherical shape and evenly dispersed throughout the lignocellulose support while preserving the structure of the biopolymer matrix. Material characterization of the as-formed biocomposites confirms primarily zero-valent Pd-Fe alloy with a thin surface oxide layer. Normal superparamagnetic behavior consistent with extremely small nanoparticle size is measured, including increasing measured blocking temperature with increasing Fe concentration. Finally, important mass loading effects of metallic nanoparticles within the lignocellulose matrix are measured and discussed.

引用

页数：7

共 51 条

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