化学与生物工程
化學與生物工程
화학여생물공정
CHEMISTRY & BIOENGINEERING
2015年
2期
21-24
,共4页
吕小翠%代磊%杨菁%彭畅%赵燕熹%黄涛
呂小翠%代磊%楊菁%彭暢%趙燕熹%黃濤
려소취%대뢰%양정%팽창%조연희%황도
钯%纳米立方块%三缩四乙二醇%聚乙烯吡咯烷酮%Suzuki 偶联反应
鈀%納米立方塊%三縮四乙二醇%聚乙烯吡咯烷酮%Suzuki 偶聯反應
파%납미립방괴%삼축사을이순%취을희필각완동%Suzuki 우련반응
palladium%nanocubes%tetraethylene glycol%polyvinylpyrrolidone%Suzuki coupling reaction
以氯钯酸为前驱体、三缩四乙二醇(TEG)为溶剂和还原剂、聚乙烯吡咯烷酮(PVP)为保护剂、KI 为添加剂,微波辐照加热90 s,合成了形貌单一、大小均匀的 Pd 纳米立方块,平均粒径为30 nm,具有很高的结晶度,属于面心立方(fcc)结构。所合成的 Pd 纳米立方块对卤代苯和苯硼酸的 Suzuki 偶联反应具有良好的催化活性,且具有较高的催化稳定性。
以氯鈀痠為前驅體、三縮四乙二醇(TEG)為溶劑和還原劑、聚乙烯吡咯烷酮(PVP)為保護劑、KI 為添加劑,微波輻照加熱90 s,閤成瞭形貌單一、大小均勻的 Pd 納米立方塊,平均粒徑為30 nm,具有很高的結晶度,屬于麵心立方(fcc)結構。所閤成的 Pd 納米立方塊對滷代苯和苯硼痠的 Suzuki 偶聯反應具有良好的催化活性,且具有較高的催化穩定性。
이록파산위전구체、삼축사을이순(TEG)위용제화환원제、취을희필각완동(PVP)위보호제、KI 위첨가제,미파복조가열90 s,합성료형모단일、대소균균적 Pd 납미립방괴,평균립경위30 nm,구유흔고적결정도,속우면심립방(fcc)결구。소합성적 Pd 납미립방괴대서대분화분붕산적 Suzuki 우련반응구유량호적최화활성,차구유교고적최화은정성。
Monomorphologic and uniform Pd nanocubes were synthesized with palladium chloride as precur-sor,tetraethylene glycol(TEG)as both solvent and reducing agent,polyvinylpyrrolidone(PVP)as stabilizer in the presence of an appropriate amount of KI under microwave irradiation for 90 s.The structure of Pd nanocubes obtained was face-centered cubic(fcc)with higher crystallinity,and the average particle size was 30 nm.Pd Nanocubes obtained were used in Suzuki coupling reaction and demonstrated better catalytical proper-ties.