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L-苯丙氨酸在单壁碳纳米管上的吸附行为
  • 时间：0
  • 分类：O647.3[理学—物理化学;理学—化学]
  • 作者机构：[1]天津大学化工学院催化科学与工程系,天津300072, [2]国家纳米科学中心,北京100080
  • 相关基金：国家自然科学基金（批准号：50602008）资助项目
  • 相关项目：化学反应工程
关键词： 单壁碳纳米管, L-苯丙氨酸, 吸附
中文摘要：

采用一种简单、绿色的过程获得了稳定的单壁碳纳米管IL-苯丙氨酸溶液．除纯化及氧化过程，单壁碳纳米管未进一步功能化．结合多种物理化学表征方法对L-苯丙氨酸在单壁碳纳米管上的吸附机理进行了研究．氧化后的单壁碳纳米管对苯丙氨酸的吸附量为33％（质量分数），单壁碳纳米管对吸附于其上的苯丙氨酸的热分解具有催化作用．对不同直径的单壁碳纳米管，苯丙氨酸具有吸附选择性，优先吸附于直径较小的单壁碳纳米管．在π-π相互作用、H键和部分共价键的共同作用下，苯丙氨酸被吸附在单壁碳纳米管上．

同期刊论文项目
氨基酸在碳纳米管上的吸附行为研究
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