贵金属
貴金屬
귀금속
PRECIOUS METALS
2014年
1期
6-11,18
,共7页
金属材料%银纳米线%氯化钠%机理
金屬材料%銀納米線%氯化鈉%機理
금속재료%은납미선%록화납%궤리
metal materials%silver nanowires%sodium chloride%mechanism of growth
以硝酸银为银源、乙二醇为还原剂和溶剂、聚乙烯吡咯烷酮为表面活性剂,在氯化钠辅助作用下快速合成了银纳米线。用扫描电子显微镜(SEM)、X射线衍射仪(XRD)与紫外-可见吸收光谱(UV-Vis)等方法对样品进行分析和表征。结果表明:在实验条件下,加入NaCl溶液体积为0.55 mL,反应时间为40 min时可获得较纯的银纳米线。最后,讨论了银纳米线的生长机理。
以硝痠銀為銀源、乙二醇為還原劑和溶劑、聚乙烯吡咯烷酮為錶麵活性劑,在氯化鈉輔助作用下快速閤成瞭銀納米線。用掃描電子顯微鏡(SEM)、X射線衍射儀(XRD)與紫外-可見吸收光譜(UV-Vis)等方法對樣品進行分析和錶徵。結果錶明:在實驗條件下,加入NaCl溶液體積為0.55 mL,反應時間為40 min時可穫得較純的銀納米線。最後,討論瞭銀納米線的生長機理。
이초산은위은원、을이순위환원제화용제、취을희필각완동위표면활성제,재록화납보조작용하쾌속합성료은납미선。용소묘전자현미경(SEM)、X사선연사의(XRD)여자외-가견흡수광보(UV-Vis)등방법대양품진행분석화표정。결과표명:재실험조건하,가입NaCl용액체적위0.55 mL,반응시간위40 min시가획득교순적은납미선。최후,토론료은납미선적생장궤리。
Sodium chloride assisted silver nanowires are rapidly synthesized by reduced silver salt with ethylene glycol in aqueous solution and in the presence of polyvinylpyrrolidone surfactant. The silver nanowires are characterized by scanning electron microscope (SEM),X-ray diffraction (XRD) and UV-Vis absorption spectroscopy. The results demonstrate that when 0.55 mL NaCl solution volume was added, and the reaction time was 40 min, the purer silver nanowires can be obtained. Finally, the growth mechanism of silver nanowires was also discussed.