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About our Research

      Our current research involves the study of functional materials and multidimensional tuning. Most notable among these are the optoelectronic materials, such as metal oxides (TiO2, ZnO, SnO2, etc.), metal dichalcogenides (MoS2, MoSe2, WSe2, their heterojunctions, etc.), and organic-inorganic hybrid materials (halide perovskites).  By using state-of-the-art synchrotron-based and in-laboratory probes, we study these systems by examining their interactions with external stimuli, such as pressure, temperature, magnetic field, laser, electromagnetic radiation, etc.  Our research also involves exploration of novel materials under high pressures (giga-Pascal) and/or temperature for energy conversion and storage applications, such as solar cells, LED, lasers, and batteries.

 

Research Areas

            Advanced Materials under Extreme Environments

ü     Metal halide materials (halide perovskites)

ü     Metal oxides (TiO2, ZnO, SnO2, etc.)

ü     Metal dichalcogenides (MoS2, MoS2, WSe2, etc.)

ü     Carbon nanomaterials (graphene, CNTs, etc.)

           Multifunctional thin films

ü     Design and fabrication of oxide homo- and hetero-structures

ü    Interfacial engineering to develop novel films with emergent functionalities



关于我们的研究:

   我们的研究着眼于功能材料及其多维度调控。重点聚焦光电材料,包括金属氧化物 (TiO2, ZnO, SnO2 等),金属硫族化合物 (MoS2, MoSe2, WSe2 及其异质结),和 金属卤化物材料(杂化钙钛矿 等)。我们采用尖端的同步辐射和先进的物性表征技术,原位观测材料在外部刺激下(包括 压力、温度、磁场、激光、电磁辐射等)其结构和性质的变化,并深入理解其变化规律和构效关系。另外,我们利用高压和高低温等极端条件探索常规方法无法获得的新材料和新结构,并通过纳米复合薄膜的设计生长在常压下实现新性能,寻求其在能源转换和存储方面的应用。研究方向如下:

 

极端环境下的先进功能材料

ü  金属卤化物材料(杂化卤化物钙钛矿等

ü  金属氧化物(TiO2, ZnO, SnO2

ü  金属硫族化合物(MoS2, MoS2, WSe2

ü  碳纳米材料(石墨烯,碳纳米管等复合材料)

多功能薄膜材料与器件

ü 固体电解质薄膜的设计生长

ü  氧化物同质和异质结构的设计与构建

ü  界面工程开发具有新兴功能的纳米复合薄膜