信阳师范学院学报（自然科学版）
信暘師範學院學報（自然科學版）
신양사범학원학보（자연과학판）
JOURNAL OF XINYANG NORMAL UNIVERSITY(NATURAL SCIENCE EDITION)
2013年
3期
395-398
,共4页
石墨烯%聚乙烯亚胺%银纳米粒子复合物%绿色还原法
石墨烯%聚乙烯亞胺%銀納米粒子複閤物%綠色還原法
석묵희%취을희아알%은납미입자복합물%록색환원법
graphene%polyethyleneimine%silver nanoparticles composites%green reduction method
基于聚乙烯亚胺高分子链上富含氨基这一特性，用绿色还原法制备了聚乙烯亚胺／石墨烯（PEI／GO）纳米复合材料，然后利用未反应的氨基对银离子的还原作用和银纳米粒子的保护作用，将银纳米粒子固载到 PEI／GO 纳米复合物表面，制备了 AgNPs／PEI／GO 复合物。研究了反应时间和银离子浓度对所制备的银纳米复合材料的影响，并利用红外光谱、紫外光谱、XRD、TEM 等手段对所制备的 AgNPs／PEI／GO 复合物进行了表征。结果表明，PEI 被成功地修饰到了 GO 表面，Ag＋被还原并固载到了 GO 表面，且所制备的银纳米粒子具有良好的晶型结构及导电性质。
基于聚乙烯亞胺高分子鏈上富含氨基這一特性，用綠色還原法製備瞭聚乙烯亞胺／石墨烯（PEI／GO）納米複閤材料，然後利用未反應的氨基對銀離子的還原作用和銀納米粒子的保護作用，將銀納米粒子固載到 PEI／GO 納米複閤物錶麵，製備瞭 AgNPs／PEI／GO 複閤物。研究瞭反應時間和銀離子濃度對所製備的銀納米複閤材料的影響，併利用紅外光譜、紫外光譜、XRD、TEM 等手段對所製備的 AgNPs／PEI／GO 複閤物進行瞭錶徵。結果錶明，PEI 被成功地脩飾到瞭 GO 錶麵，Ag＋被還原併固載到瞭 GO 錶麵，且所製備的銀納米粒子具有良好的晶型結構及導電性質。
기우취을희아알고분자련상부함안기저일특성，용록색환원법제비료취을희아알／석묵희（PEI／GO）납미복합재료，연후이용미반응적안기대은리자적환원작용화은납미입자적보호작용，장은납미입자고재도 PEI／GO 납미복합물표면，제비료 AgNPs／PEI／GO 복합물。연구료반응시간화은리자농도대소제비적은납미복합재료적영향，병이용홍외광보、자외광보、XRD、TEM 등수단대소제비적 AgNPs／PEI／GO 복합물진행료표정。결과표명，PEI 피성공지수식도료 GO 표면，Ag＋피환원병고재도료 GO 표면，차소제비적은납미입자구유량호적정형결구급도전성질。
Polyethyleneimine /graphene(PEI/GO) nanocomposites were prepared by the green reduction method and the feature that amino-groups are rich in PEI chain of the macromolecular polymer .Then, the AgNPs /PEI/GO complexes were prepared by immobilizing silver nanoparticles on the surface of PEI /GO nanocomposites utilizing the re-ducing effect of amino-group on silver ion and the protection effect of silver nanoparticles .The influences of reaction time and concentration of silver ions on the prepared silver nanocomposites were studied .The prepared AgNPs /PEI/GO complexes were characterized using infrared spectroscopy , UV spectra, XRD, TEM, and other means.The char-acterization results showed that PEI was successfully modified to GO surface , Ag + was reduced using green and clean technology and immobilized on GO surface .The AgNPs/PEI/GO nanocomposites have good electric conductive proper -ties and perfect crystal phase .
