화학공학소재연구정보센터
Applied Chemistry for Engineering, Vol.23, No.5, 510-513, October, 2012
팔라듐 입자 제조에 미치는 이미다졸계 이온성액체의 양이온 효과
Effect of the Cation Part of Imidazolium Ionic Liquids on Synthesis of Palladium Particle
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초록
전통적인 화학적 환원법에 이온성액체를 사용하여 팔라듐 입자를 제조하였다. 이온성액체를 구성하는 양이온의 종류에 따라 형성된 팔라듐 입자는 다양한 크기와 모양을 가지는 것이 관찰되었다. 이는 이온성액체의 양이온이 길이에 따라 합성 중에 이온성액체들 간에 형성되는 구조체의 안정성에 차이를 보이기 때문이다. [BF4] 음이온을 가지는 이온성액체 중 양이온의 알킬기가 hexyl인 이온성액체를 이용하여 합성된 팔라듐 입자가 가장 작고 균일하게 형성되었다.
Palladium particles were synthesized by conventional chemical reduction method with ionic liquids. The size and shape of palladium particles were significantly affected by the cation parts of ionic liquids. This is mainly attributed to the different stabilities of the ionic liquid structure formed by the physical bond between the cation parts. Among ionic liquids with [BF4] as an anion part, the hexyl substituent in the cation parts was more effective to synthesize palladium particles with the smaller size and more uniform shape.
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