报告题目：Explore the Landscape of Two-dimensional Atomic Layers

报 告 人：Dr. Zheng Liu

School of Materials Science and Engineering

School of Electrical and Electronic Engineering

Nanyang Technological University, Singapore

报告时间：2014年12月23日 14:00

报告地点：唐敖庆楼D308报告厅

主办单位：电子科学与工程学院

集成光电学国家重点联合实验室

Abstract: Recent times have seen a surge of activity in the exploration of two dimensional atomic layered structures with a range of properties. Here we will discuss our recent efforts in exploring various two-dimensional materials including graphene, hexagonal boron nitride (h-BN), various dichalcogenide systems and hybrid atomic layers consisting of multiple compositions. Scalable synthesis through vapour deposition of several of these structures will be discussed. Understanding of defects such as grain boundaries, edges and point defects in these structures is important for manipulating physical properties in these materials. Our efforts in manipulating these layers into creating vertically stacked hybrids as well as laterally engineered layers will be described. Overall, the talk will summarize our recent progress in synthesizing and characterizing atomically engineered layers of materials with a wide range of properties and their applications on active nano-systems and high performance energy components, e.g. resonators, photodetectors, high-density capacitors, ultrafast lithium storage etc.

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