研究领域:
微纳连接
电子封装与热管理
超快激光微纳制造
研究概况:
聚焦电子封装领域的微纳连接核心技术,围绕尺寸效应与界面调控开展系列研究,提出超快激光纳米连接等新技术、新装备、新材料,突破“碳中和时代”和“后摩尔时代”中功率电子和集成电路极端尺寸、极端温度条件芯片封装的行业难题,为国内外企业提供关键技术支撑。同时,组装集成纳米材料开发多种新型高性能微纳器件,与欧洲、日本、加拿大、韩国等国际同行保持密切的学术交流。
研究方向:
(1) 纳米银/纳米铜低温键合材料与装备:大面积(8寸)、图形化(20 μm pitch)、低温(100-150℃)、超薄(1-5μm)的芯片键合,应用在功率电子、射频电子、集成电路的高密度、高温、三维立体封装中。
(2) 超快激光精密加工:表面微纳织构高效加工、高深径比微孔加工、2.5D异型孔加工、硬脆材料精密加工(金刚石、蓝宝石、玻璃、SiC等)。
(3) 新型微纳器件纳米连接与集成:基于二维材料异质结的传感器、智能柔性传感器等。
主持/参与的主要科研项目:
(1) 基于组装-连接-反馈一体化平台的超快激光纳米异质连接及界面能带调控,国家自然科学基金面上项目
(2) 超快激光沉积疏松纳米复合材料及其高温高可靠性连接应用,国家自然科学基金面上项目
(3) 超快激光制备有序微纳米表面结构及其改善钎焊的机理研究,国家自然科学基金青年基金
(4) 基于纳米金属颗粒并面向微纳器件封装的低温连接新原理与新技术,国家自然科学基金重点国际合作项目
(5) 激光高性能连接技术与装备,国家重点研发计划激光与增材制造专项
主要论文:
(1) Bin Feng, Xin Jiang, Guisheng Zou, Wengan Wang, Tianming Sun, Heng Yang, Guanlei Zhao, Mingye Dong, Yu Xiao, Hongwei Zhu*, Lei Liu*. Inspired, liquid metal-based ultrasensitive electronic skin by spatially regulated cracking strategy[J]. Advanced Functional Materials, 2021, 31: 2102359
(2) B. Feng, G. Zou, W. Wang, M. Dong, Y. Xiao, H. Ren, X. Zhao, G. Zhao, A. Wu, H. Zhu, L. Liu*. A programmable, gradient-composition strategy producing synergistic and ultrahigh sensitivity amplification for flexible pressure sensors. Nano Energy, 2020, 74: 104847.
(3) J. Qiang, G. Zou, W. Wang, H. Ren, H. Zhang, Z. Deng, B. Feng, L. Liu*. Sintering Mechanism of a Supersaturated Ag–Cu Nanoalloy Film for Power Electronic Packaging. ACS Applied Materials & Interfaces. 2020, 12: 16743-16752.
(4) J. Huo, G. Zou, L. Lin*, K. Wang, S. Xing, G. Zhao, L. Liu*, Y. Norman Zhou. Highly Focused Femtosecond Laser Directed Selective Boron Doping in Single SiC Nanowire Device for Np Conversion. Applied Physics Letters. 2019, 115(13): 133104.
(5) S. Xing, L. Lin, G. Zou, W.W. Duley, L. Liu*, Y. Norman Zhou. Two-Photon Absorption Induced Nanowelding for Assembling ZnO Nanowires with Enhanced Photoelectrical Properties. Applied Physics Letters. 2019, 115(10): 103101.
(6) S. Xing, L. Lin, J. Huo, G. Zou, L. Liu*, Y.N. Zhou. Plasmon induced heterointerface thinning for Schottky barrier modification of core/shell SiC/SiO2 nanowire. ACS Applied Materials & Interfaces. 2019, 11: 9326-9332
(7) D. Shen, M. Xiao, G. Zou, L. Liu*, W.W. Duley Y. Zhou*. Self-Powered Wearable Electronics Based on Moisture Enabled Electricity Generation. Advanced Materials. 2018, 30, 1705925.
(8) L. Lin, L. Liu*, K. Musselman, G. Zou, W.W. Duley, N.Y. Zhou*. Plasmonic-Radiation-Enhanced Metal Oxide Nanowire Heterojunctions for Controllable Multilevel Memory. Advanced Functional Materials. 2016, 26(33): 5979-5986
(9) L. Lin, G. Zou, L. Liu*, W.W. Duley, Y.N. Zhou*. Plasmonic Engineering of Metal-Oxide Nanowire Heterojunctions in Integrated Nanowire Rectification Units. Applied Physics Letters. 2016, 108(20): 203107.
(10) L. Liu*, P. Peng, A. Hu, G. Zou, W. Duley, Y.N. Zhou. Highly Localized Heat Generation by Femtosecond Laser Induced Plasmon Excitation in Ag Nanowires. Applied Physics Letters. 2013, 102(7): 073107.