SEMINAR    

　　Artificial Crystal Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences   

　　题目：微纳光伏与热电子光电转换技术 

　　报告人：李孝峰（教授，苏州大学光电学院副院长） 

　　时间：2017年4月25日（周二）上午10:30 

　　地点：嘉定园区一号楼218会议室 

　　联系人：吴庆辉 021-69987734 

　　报告摘要： 

　　In this talk, photoconversions based on photovoltaic effect and hot-electrons will be introduced, respectively, with addressing both the simulation and experiments. From the perspective of energy, optoelectronic and thermodynamic simulation showing profound light-matter interactions as well as multi-physical responses of photovoltaic devices play a significant role in solar cell designs. We perform a comprehensive model of photovoltaic devices with considering optical, electrical and thermal effects, which are fully-coupled in multi-physical domains. The talk will introduce our recent works in light-trapping, photoconversion-improvement, as well as the profound simulation technique of nanostructured solar cells. Moreover, I will present our recent studies on the design of purely planar configurations for hot-electron photodetection. In the planar systems, we carefully design the multilayered planar configuration composed by one-dimensional dielectric photonic and metallic hot-electron collection components, so that the so-called Tamm plasmons can be excited to harness the incident photon energy in an efficient way. We consider both the metal-semiconductor-metal system as well as the Schottky system composed by only metal-semiconductor junction. A detailed optical and electrical design and performance characterization will be presented. The fabrication and performance evaluation of the nanostructured systems for solar energy harvesting will be introduced as well. 

　　References: 

1. Cheng Zhang, Kai Wu, Vincenzo Giannini, Xiaofeng Li*. Planar hot-electron photodetection with Tamm plasmon. ACS Nano 2017, 11:1919？1727. 
2. Aixue Shang and Xiaofeng Li*. Photovoltaic devices: opto-electro-thermal physics and modeling. Advanced Materials 2017， 29:1603492. 
3. Aixue Shang, Xiongfei Zhai, Cheng Zhang, Yaohui Zhan, Shaolong Wu, and Xiaofeng Li*. Nanowire and nanohole silicon solar cells: a thorough optoelectronic evaluation. Progress in Photovoltaics: Research and Applications 2015, 23:1734？1741. 
4. Xiaofeng Li*, Nicholas P. Hylton, Vincenzo Giannini, Kan-Hua Lee, Ned J. Ekins-Daukes, and Stefan A. Maier. Multi-dimensional modelling of solar cells with electromagnetic and carrier transport calculations. Progress in Photovoltaics: Research and Applications 2013, 21(1):109–120. 

　　个人简介： 

　　李孝峰，男，教授，苏州大学光电信息科学与工程学院副院长，江苏省创新创业高层次人才、江苏省333高层次人才培养工程等人才计划入选者。李孝峰2007年1月博士毕业于西南交通大学信息科学与技术学院，获“四川省优秀博士论文奖”和“全国百篇优秀博士论文提名奖”。其后，在新加坡南洋理工大学和伦敦帝国理工学院担任研究员，承担过美国国防部先进研究项目局（DARPA）、欧盟（EU）和新加坡科技局（A*Star）多个课题科研任务。2012年1月回国，来到苏州大学工作，是国家自然科学基金重大研究计划培育/面上/青年项目和教育部博士点博导基金等课题负责人，主持科技部亚非杰出青年科学家来华工作计划项目，参与科技部青年973（排名第二）。已累计在Advanced Materials、ACS Nano、Advanced Energy Materials、Nano Energy等SCI期刊发表论文100篇，其中SCI一区论文近20篇。是IEEE、中国光学学会和中国密码学会高级会员，美国光学学会（OSA）、国际光学工程学会（SPIE）和中国光学工程学会会员；在国际会议上做邀请报告/担任分会场主席近30次，获2015年首届“江苏青年光学科技奖”，担任30余个国际SCI期刊论文评审专家，兼任Scientific Reports、OSA Applied Optics、IEEE Photonics Journal三个SCI期刊编辑。研究方向：1）微纳光伏、2）表面等离子与热电子光电转换、3）太阳能光电化学转换。