报告题目:Controlled Synthesis and Functionalization of Two-Dimensional Materials
报告人:周琳 博士 (麻省理工学院)
时间:2017年4月28日(周五) 15:00
地点:五山校区14号楼205会议室
欢迎广大师生参加!
华南理工大学材料科学与工程学院
2017年4月27日
附:
报告摘要:The controlled synthesis of highly crystalline large-area MoTe2 atomic layers is a challenge for the practical applications of this emerging material. Here we develop a novel approach for the growth of large-area, uniform and highly crystalline few-layer MoTe2 film via chemical vapor deposition (CVD). Large-area atomically thin MoTe2 film has been successfully synthesized by tellurization of a MoO3 film. The as-grown MoTe2 film is uniform, stoichiometric, and highly crystalline. As a result of the high crystallinity, the electronic properties of MoTe2 film are comparable with that of mechanically exfoliated MoTe2 flakes. Since the MoTe2 film is highly homogenous, and the size of the film is only limited by the substrate and CVD system size, our growth method paves the way for large-scale application of MoTe2 in high performance nanoelectronics and optoelectronics.
报告人简介:周琳博士于2008年、2013年毕业于南京大学和北京大学,分别获得材料化学学士、物理化学博士学位。2014年2月至今,在美国麻省理工学院从事博士后研究。她专注于纳米材料的研究,特别集中在二维材料的制备、表征与化学修饰方向。已发表SCI论文13篇,其中以第一(并列第一)作者发表在JACS论文1篇,AM论文2篇,ACS Nano论文1篇,AFM论文1篇,其中关于“可控制备大面积高质量碲化钼”的工作被MIT news封面重点报道。