摘要
在超声辐射作用下,以不同相对分子质量的PEG为还原剂和稳定剂,合成了纳米Pd/PEG复合材料。XRD和UV-Vis结果证明了氯化钯被完全还原成钯,TEM显示PEG600呈长约0.5μm,直径为50～80 nm的棒状结构,并将部分纳米钯粒子包覆在其中;XPS表明PEG600中的C—OH中C1s结合能(287.5 eV)比标准的C1s结合能(286.5 eV)降低了1.0 eV,说明聚合物中羟基上的氧原子和纳米钯之间形成了一定的相互作用。
Nano - palladium/Poly （ ethylene glycol） were synthesized by ultrasonic using Poly （ ethylene glycol） of different molecular weight as reducer and stabilizer. XRD 和UV - Vis results revealed that Palladium chloride is completely reduced to Pd particles. TEM showed that PEG displayed a clubbed structure with the length was about 0. 5 Ixm and the diameter was 50 -80 nm, and part of nano -Pd particles were buried to the rods. XPS indicated that C1 s binding energy （287.5eV） of C--OH was lower 1.0eV compared to the standard, it proved that there was an in- teraction between nano -Pd and oxygen atom of hydroxyl of polymerization.
出处
《化工时刊》
CAS
2012年第2期1-4,共4页
Chemical Industry Times
基金
国家自然基金(No.51173002)
安徽省自然科学基金(No.090414183)
安徽省高校科技基金重点项目(No.KJ2009A46)
关键词
超声
纳米钯
PEG
棒状
ultrasonic nano - palladium Poly （ ethylene glycol） rod - like structure
