Surface Confined Retro Diels-Alder Reaction Driven by the Swelling of Weak Polyelectrolytes
文献类型：期刊论文
| 作者 | Lyu, BE(吕贝尔); Cha, WL(茶文丽); Mao, TT; Wu, YZ(吴元子); Qian, HJ; Zhou, YT(周艺添); Chen, XL; Zhang, S(张慎); Liu, LY; Yang, G |
| 刊名 | ACS APPLIED MATERIALS & INTERFACES
 |
| 出版日期 | 2015 |
| 卷号 | 7期号:11页码:6 |
| 关键词 | mechanochemistry retro Diels-Alder reaction polyelectrolyte polymer brush quartz crystal microbalance |
| 通讯作者 | Ma, HW (马宏伟） |
| 英文摘要 | Recently, the type of reactions driven by mechanical force has increased significantly; however, the number of methods for activating those mechanochemical reactions stays relatively limited. Furthermore, in situ characterization of a reaction is usually hampered by the inherent properties of conventional methods. In this study, we report a new platform that utilizes mechanical force generated by the swelling of surface tethered weak polyelectrolytes. An initiator with Diels-Alder (DA) adduct structure was applied to prepare the polyelectrolyte-carboxylated poly(OEGMA-r-HEMA), so that the force could trigger the retro DA reaction. The reaction was monitored in real time by quartz crystal microbalance and confirmed with atomic force microscopy and X-ray photoelectron spectroscopy. Compared with the conventional heating method, the swelling-induced retro DA reaction proceeded rapidly with high conversion ratio and selectivity. A 23.61 kcal/mol theoretical energy barrier supported the practicability of this retro DA reaction being triggered mechanically at ambient temperature. During swelling, the tensile force was controllable and persistent. This unique feature imparts this mechanochemical platform the potential to "freeze" an intermediate state of a reaction for in situ spectroscopic observations, such as surface-enhanced Raman spectroscopy and frequency generation spectroscopy. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.sinano.ac.cn/handle/332007/3409]  |
| 专题 | 苏州纳米技术与纳米仿生研究所_纳米生物医学与安全研究部_马宏伟团队 |
| 推荐引用方式 GB/T 7714 | Lyu, BE,Cha, WL,Mao, TT,et al. Surface Confined Retro Diels-Alder Reaction Driven by the Swelling of Weak Polyelectrolytes[J]. ACS APPLIED MATERIALS & INTERFACES,2015,7(11):6. |
| APA | Lyu, BE.,Cha, WL.,Mao, TT.,Wu, YZ.,Qian, HJ.,...&Ma, HW.(2015).Surface Confined Retro Diels-Alder Reaction Driven by the Swelling of Weak Polyelectrolytes.ACS APPLIED MATERIALS & INTERFACES,7(11),6. |
| MLA | Lyu, BE,et al."Surface Confined Retro Diels-Alder Reaction Driven by the Swelling of Weak Polyelectrolytes".ACS APPLIED MATERIALS & INTERFACES 7.11(2015):6. |
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