研究了利用膨化石墨制备石墨烯/碳纳米管复合粉体技术.以膨胀石墨为基体,利用硝酸铁、碳酸铵等对其进行修饰,结合化学气相沉积工艺,原位制备出石墨烯/碳纳米管复合粉体材料；研究了不同的修饰液相、不同沉积工艺对复合粉体比例、微观形貌的影响.利用扫描电镜对复合粉体进行了表征.结果表明,实现了石墨烯/碳纳米管复合粉体材料的批量制备；其中石墨烯为透明薄片,其厚度最小可达到10nm；通过控制工艺参数,可以实现碳纳米管/石墨烯的质量比在0.625～8.250之间变化；并初步获得了最佳修饰液相和最佳工艺.研究结果表明该方法可以制备出性能优异的石墨烯/碳纳米管复合粉体材料.
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