Characteristics of nanosized ruthenium metal by chemical reduction method.

被引:10
作者
Lee, DS [1 ]
Liu, TK [1 ]
机构
[1] Natl Taiwan Univ, Dept Geosci, Taipei 106, Taiwan
关键词
D O I
10.1016/S0022-3093(02)01627-7
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Nano-sized Ru metals have been prepared by the chemical reduction of ruthenium chloride and ruthenium hydroxide. Sodium borohydride was used as a reducing agent. The samples have been characterized by elemental analysis, X-ray diffraction, differential scanning calorimetry, and transmission electron microscopy. The preparation method greatly affects the composition and surface area of the material. All the samples show nanosized particles. However, samples prepared by reduction of ruthenium hydroxide had a lower surface area and larger particle size than those prepared by reduction of ruthenium chloride. Residual amount of boron was present in the samples. The samples demonstrate amorphous structure. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:323 / 327
页数:5
相关论文
共 21 条
[1]   FE-CO-B AMORPHOUS ALLOY POWDER BY CHEMICAL-REDUCTION [J].
CORRIAS, A ;
ENNAS, G ;
LICHERI, G ;
MARONGIU, G ;
MUSINU, A ;
PASCHINA, G ;
PICCALUGA, G ;
PINNA, G ;
MAGINI, M .
JOURNAL OF MATERIALS SCIENCE LETTERS, 1988, 7 (04) :407-409
[2]  
DENG J, 1988, APPL CATAL, V37, P339
[3]  
DENG JF, 1993, J MATER SCI LETT, V12, P1508
[4]   THE STUDY OF ULTRAFINE NI-B AND NI-P AMORPHOUS ALLOY POWDERS AS CATALYSTS [J].
DENG, JF ;
YANG, J ;
SHENG, SS ;
CHEN, HG ;
XIONG, GX .
JOURNAL OF CATALYSIS, 1994, 150 (02) :434-438
[5]   FORMATION OF ULTRAFINE AMORPHOUS ALLOY PARTICLES WITH UNIFORM SIZE BY AUTOCATALYTIC METHOD [J].
HU, Z ;
SHEN, JY ;
FAN, YN ;
HSIA, YF ;
CHEN, Y .
JOURNAL OF MATERIALS SCIENCE LETTERS, 1993, 12 (13) :1020-1021
[6]   A STUDY OF THE PREPARATION CONDITIONS OF FE-B AMORPHOUS ALLOY POWDERS PRODUCED BY CHEMICAL-REDUCTION [J].
JIANG, J ;
DEZSI, I ;
GONSER, U ;
LIN, X .
JOURNAL OF NON-CRYSTALLINE SOLIDS, 1990, 124 (2-3) :139-144
[7]   Selective hydrogenation of furfural on Ni-P, Ni-B, and Ni-P-B ultrafine materials [J].
Lee, SP ;
Chen, YW .
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 1999, 38 (07) :2548-2556
[8]   Nitrobenzene hydrogenation on Ni-P, Ni-B, and Ni-P-B ultrafine materials [J].
Lee, SP ;
Chen, YW .
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2000, 152 (1-2) :213-223
[9]   CHEMICALLY PREPARED AMORPHOUS FE-B PARTICLES - INFLUENCE OF PH ON THE COMPOSITION [J].
LINDEROTH, S ;
MORUP, S .
JOURNAL OF APPLIED PHYSICS, 1990, 67 (09) :4472-4474
[10]   AMORPHOUS TO CRYSTALLINE TRANSFORMATION OF ULTRAFINE FE62B38 PARTICLES [J].
LINDEROTH, S ;
MORUP, S ;
MEAGHER, A ;
LARSEN, J ;
BENTZON, MD ;
CLAUSEN, BS ;
KOCH, CJW ;
WELLS, S ;
CHARLES, SW .
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1989, 81 (1-2) :138-146