My research interests mainly focus on micro/nano mechanics, including mechanical properties of nanostructures/nanomaterials, surface/interfacial effects in micro-/nano-electro-mechanical systems (MEMS/NEMS) and interfacial mechanical properties of nanocomposites. In recent decade, I act as a Fellow of Micro/Nano Mechanics Group of the Chinese Society of Theoretical and Applied Mechanics (CSTAM), and I made some original researches, which obtained very positive evaluations by both domestic and overseas counterparts and MEMS/NEMS industries. As the first/corresponding author, I published more than thirty papers in the international journals, and the SCI citations of these papers are over 450. In 2014, the project “Physico-mechanical researches on surface effects in the micro- /nano-electro-mechanical systems” in which I was a principal investigator won the second prize in the National Natural Science Award. 

• Nanocomposites
• Surface/interfacial effects in nanodevice
• Micro/nano mechanics

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• Cui Zhen, Guo Jian-Gang*.Theoretical investigations of the interfacial sliding and buckling of graphene on a flexible substrate, AIP Advances, 2016, 6(12): 125110..2019
• Yu Yan-Zi, Guo Jian-Gang*. Static and dynamic theoretical analyses of a scanning tip on suspended graphene surface, Journal of Applied Physics, 2016, 120(6): 064303..2019
• Xu Na, Guo Jian-Gang*, Cui Zhen. The influence of tilt grain boundaries on the mechanical properties of bicrystalline graphene nanoribbons, Physica E: low-dimensional systems & nanostructures, 2016, 84: 168-174..2019
• Yu Yan-Zi, Guo Jian-Gang*, Zhou Li-Jun. Theoretical investigation on the adsorption and diffusion of lithium-ion on and between graphene layers with size and defect effects, Adsorption Science & Technology, 2016, 34(2-3): 212-226..2019
• Wang Chen-Jiang, Guo Jian-Gang*. Theoretical investigation on adhesion energy of graphene nanofilm debonding from substrate. Journal of Computational and Theoretical Nanoscience, 2015, 12 (10): 3792-3800..2019
• Yu Yan-Zi, Guo Jian-Gang*, Kang Yi-Lan. An analytical model for adsorption and diffusion of atoms/ions on graphene surface, Journal of Nanomaterials, 2015, 2015: 382474..2019
• Xu Chaochen, Xue Tao, Guo Jiangang*, Qin Qinghua, Wu Sen, Song Haibin, Xie Haimei. An experimental investigation on the mechanical properties of the interface between large-sized graphene and a flexible substrate, Journal of Applied Physics, 2015, 117: 164301..2019
• Wang Chen-Jiang, Guo Jian-Gang*. Numerical investigation on adhesion properties of graphene nanofilm debonding from substrate. Materials Research Innovations, 2015, 19: S1 403-406..2019
• Wang Shao-Pei, Guo Jian-Gang*, Jiang Yan. The Size- and Chirality-Dependent Elastic Properties of Graphene Nanofilms. Journal of Computational and Theoretical Nanoscience, 2013, 10: 250-256..2019
• Wang Shao-Pei, Guo Jian-Gang*, Zhou Li-Jun. Influence of Stone-Wales defects on elastic properties of graphene nanofilms. Physica E: low-dimensional systems & nanostructures, 2013, 48: 29-35..2019
• Guo Jian-Gang*, Zhou Li-Jun, Kang Yi-Lan. Chirality-dependent anisotropic elastic properties of a monolayer graphene nanosheet. Journal of Nanoscience and Nanotechnology，2012, 12: 3159-3164..2019
• Zhou Li-Jun, Kang Yi-Lan, Guo Jian-Gang*. Theoretical model of double-walled carbon nanotube pullout from a composite matrix. Science China-Physics Mechanics & Astronomy, 2012, 55(6): 1004-1009..2019
• Zhou Li-Jun, Kang Yi-Lan, Guo Jian-Gang*. Phenomenological model of interfacial stress transfer in carbon nanotube reinforced composites with van der Waals effects. Polymer Composites, 2011, 32 (7): 1069-1076..2019
• Guo Jian-Gang*, Zhou Li-Jun, Zhao Ya-Pu. Instability analysis of torsional MEMS/NEMS actuators under capillary force. Journal of Colloid and Interface Science, 2009, 331(2): 458-462..2019
• Zhou Li-Jun, Guo Jian-Gang*, Zhao Ya-Pu. Size- and temperature-dependent thermal expansion coefficient of a nanofilm, Chinese Physics Letters, 2009, 26(6): 066201..2019
• Guo Jian-Gang, Zhou Li-Jun, Zhao Ya-Pu. Size-dependent elastic modulus and fracture toughness of the nanofilm with surface effects. Surface Review and Letters, 2008, 15(5): 599-603..2019
• Guo Jian-Gang, Zhao Ya-Pu. The size-dependent bending elastic properties of nanobeam with surface effects. Nanotechnology, 2007, 18: 295701..2019
• Guo Jian-Gang, Zhao Ya-Pu. The surface- and size-dependent elastic Moduli of nanostructures. Surface Review and Letters, 2007, 14(3): 1-4..2019
• Guo Jian-Gang, Zhao Ya-Pu. Dynamic stability of electrostatic torsional actuators with van der Waals effect. International Journal of Solids and Structures, 2006, 43: 675-685..2019
• Guo Jian-Gang, Zhao Ya-Pu. The Size-Dependent Elastic Properties of nanocrystals with surface effects. Journal of Applied Physics, 2005, 98: 074306..2019
• Guo Jian-Gang, Zhou Li-Jun, Zhang Shan-Yuan. Geometrical nonlinear waves in finite deformation elastic rods. Applied Mathematics and Mechanics, 2005, 26(5): 667-674..2019
• Guo Jian-Gang, Zhao Ya-Pu. Influence of van der Waals and Casimir forces on electrostatic torsional actuators. Journal of Microelectromechanical Systems, 2004, 13(6): 1027-1035..2019