THE GRAPHITE-INTERCALATION COMPOUNDS - A ROUTE TO METALLIC SUPPORTED CLUSTERS

被引：27
作者：
MESSAOUDI, A
ERRE, R
BEGUIN, F
机构：
[1] C.R.S.O.C.I., C.N.R.S., 1B, rue de la Férolleri
来源：
CARBON | 1991年 / 29卷 / 4-5期
关键词：
METALLIC CLUSTERS; GRAPHITE; INTERCALATION; SUPPORT; CATALYSIS;
D O I：
10.1016/0008-6223(91)90115-Y
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
New preparations of metallic-supported clusters (Fe, Co, Ni) using a graphite intercalation compound as precursor are described. The graphite-metallic halides derivatives were reduced by potassium at 300-degrees-C, and metallic particles were obtained within a graphite matrix. The reduction of a metallic halide salt dissolved in tetrahydrofuran by KC8 leads to the formation of clusters at the edge of the graphite flakes. The products of the reactions were studied by X-ray diffraction (XRD), X-ray photelectron spectroscopy (XPS), and transmission electron microscopy (TEM). Mechanisms based on the structure of the initial graphite intercalation compound explain the formation of these supported metallic particles.
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页码：515 / 522
页数：8
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