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鲍桥梁报告:Photonics of two-dimensional materials: graphene and beyond

创建于2016年05月24日 星期二作者 : wlxyuser1 浏览量 :

报告人:鲍桥梁 教授 苏州大学功能纳米与软物质研究院
报告时间:2016年5月27日下午 9:00-10:30
地点:物理楼307报告厅
联系人:段辉高

摘要:Here we would like to review our recent progresses on the photonic applications of graphene and other two-dimensional (2D) layered materials. Firstly, we report that the synergetic integration of graphene and Bi2Te3 by epitaxial growth affords tunable optical properties by controlling the coverage of Bi2Te3. We further developed it as saturable absorbers and incorporated into a 1.5 ?m fiber laser for both Q-switching and mode-locking pulse generation. Secondly, we fabricated a highly efficient hybrid photodetector that consists of graphene covered with dispersive organolead halide perovskite (CH3NH3PbBr2I) islands. A photoconductive gain of ~109 electrons per photon and a responsivity of ~6.0×105 AW-1 were achieved, which is attributed to the effective charge transfer and photo-gating effect. Last, we report our recent progress on the synthesis of low-dimensional perovskite as well as its optoelectronic applications. In summary, the advances of photonics of 2D materials may pave the way for the integration of next generation hybrid silicon photonic circuit.

个人简历:Dr. Bao is currently a professor in Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University. His research interests are: 1) advanced low-dimensional optical materials and fundamental understanding of their optical properties; 2) photonic and optoelectronic devices based on two-dimensional materials including graphene, perovskite, black phosphorus, layered transition metal dichalcogenides and topological insulators. Dr. Bao has over 100 peer-review journal publications which include one in Nature Photonics, one in Nature Chemistry, two in Nature Communications, four in Advanced Materials, four in Advanced Functional Materials, four in JACS, and eleven in ACS Nano, etc. His publications have received >8000 citations, with an H-index of 40 as of May, 2016.

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