现从事光电薄膜、薄膜太阳能电池、微纳光学、纳米材料、金属材料微观组织与性能等方面的研究，

承担的部分科研项目：
国家自然科学基金青年科学基金项目：可印刷二维材料墨水可控制备及其气体传感器应用研究
国家国防科技工业局项目：高强、高抗×××线材研制
湖南省自然科学基金项目：微量Sc和Zr对Al-Mg/Al-Zn-Mg异种合金板材搅拌摩擦焊接头性能影响及机理研究
湖南省自然科学杰出青年基金项目：印刷制备高效率钙钛矿太阳能电池的界面研究
国家自然科学基金项目：复杂流体中有效静电相互作用的统计热力学研究
湖南省科技计划项目：铌酸钠钾无铅压电陶瓷的掺杂改性和机理研究

[18]Pian Xu, Feng Jiang, Mengmeng Tong, Zhongqin Tang, Jingyu Jiang, Ning Yan, Yongyi Peng, Precipitation characteristics and morphological transitions of Al3Sc precipitates,Journal of Alloys and Compounds, 2019,790:509-516
[17]Keqing Huang, Hengyue Li, Chujun Zhang, Yaxin Gao, Tianjiao Liu, Jian Zhang, Yongli Gao, Yongyi Peng, Liming Ding, and Junliang Yang，Highly Efficient Perovskite Solar Cells Processed under Ambient Conditions using In-situ Substrate-Heating-Assisted Deposition，Solar RRL，2019
[16]Hui Xu, Mingzhuo Zhao, Mingfei Zheng, Cuixiu Xiong, Baihui Zhang, Yongyi Peng, Hongjian Li,Dual plasmon-induced transparency and slow light effect in monolayer graphene structure with rectangular defects, Journal of Physics D: Applied Physics, 52(2019), 025104
[15]Yongyi Peng，Yudiao Cheng，Chunhua Wang，Chujun Zhang，Huayan Xia，Keqing Huang，Sichao Tong，Xiaotao Hao, Junliang Yang. Fully Doctor-Bladed Planar Heterojunction Perovskite Solar Cells under Ambient Condition. Organic Electronics. 2018, 58:153-158
[14]Keqing Huang, Chunhua Wang, Chujun Zhang, Sichao Tong, Hengyue Li, Biao Liu,Yaxin Gao, Yanan Dong, Yongli Gao, Yongyi Peng, Junliang Yang，Efficient and stable planar heterojunction perovskite solar cells fabricated under ambient conditions with high humidity，Organic Electronics. 2018
[13]Yongyi Peng, Shugang Xiao, Junliang Yang, Jian Lin, Wei Yuan, Weibing Gu, Xinzhou Wu, Zheng Cui, The elastic microstructures of inkjet printed polydimethylsiloxane as the patterned dielectric layer for pressure sensors. APPLIED PHYSICS LETTERS. 2017,110, 261904
[12]Pian Xu, Feng Jiang, Zhongqin Tang，Ning Yan, Jingyu Jiang, Xuda Xu,Yongyi Peng.Coarsening of Al3Sc precipitates in Al-Mg-Sc alloys,Journal of Alloys and Compounds.Journal of Alloys and Compounds,2019, 781:209-215
[11]Pian Xu, Feng Jiang, Song Meng, Keke Yi, Jingyu Jiang, Qinxuan Cao, Yongyi Peng. Microstructure and Mechanical Properties of Al-Mg-Sc-Zr Alloy Variable Polarity Plasma Arc Welding Joint, Journal of Materials Engineering and Performance, 2018, https://doi.org/10.1007/s11665-018-3549-6
[10]Xiaoyan Peng，Yao Li，Xiaopeng Liang，Qi Guo，Guofu Xu，Yongyi Peng，Zhimin Yin, Precipitate behavior and mechanical properties of enhanced solution treated Al-Zn-Mg-Cu alloy during non-isothermal ageing, Journal of Alloys and Compounds, 2018, 735:964-974
[9]Yongyi Peng, Shu Li, Ying Deng, Hua Zhou, Guofu Xu, Zhimin Yin. Synergetic effects of Sc and Zr microalloying and heat treatment on mechanical properties and exfoliation corrosion behavior of Al-Mg-Mn alloys. Materials Science & Engineering A, 2016, 666:61-71.55:140–145
[8]Shiping Zhan，Yongyi Peng，Zhihui He，Boxun Li，Zhiquan Chen，Hui Xu，Hongjian Li，Tunable nanoplasmonic sensor based on the asymmetric degree of Fano resonance in MDM waveguide，Scientific Reports. 2016，6:22428. DOI: 10.1038/srep22428
[7]He Zhihui，Peng Yongyi，Li Boxun， Chen Zhiquan，Xu Hui， Zheng Mingfei， Li Hongjian，Aspect ratio control and sensing applications for a slot waveguide with a multimode stub，APPLIED PHYSICS EXPRESS，2016，9(7):072002. DOI:10.7567/APEX.9.072002
[6]Le Fu，Yongyi Peng，Jiwu Huang，Yin Deng，Zhimin Yin，Microstructures and mechanical properties of Gas Tungsten Arc Welded joints of new Al-Mg-Sc and Al-Mg-Er alloy plates，Materials Science & Engineering A，2015, 620:149-154
[5]Anhui Cai, Dawei Ding, Yong Liu, Hong Wu, Weike An, Guojun Zhou, Yun Luo, Yongyi Peng, A Series of Zr-Based Bulk Metallic Glasses with Room Temperature Plasticity,Materials,2016,9,408.
[4]A.H. Cai, D.W. Ding, W.K. An, G.J. Zhou, Y. Luo, J.H. Li, Y.Y. Peng, Effect of Ni substitution on glass forming ability, mechanical, electrical and thermal properties of Cu-Zr-Ti glass forming alloys, Materials Chemistry and Physics, 2015, 151:243-251
[3]AN WeiKe, DING DaWei, CAI AnHui, ZHOU GuoJun, LUO Yun, LI JiangHong，PENG YongYi, Mechanism, condition and characteristics for the formation of the network structure in Zr-Al-Ni-Cu bulk metallic glasses, Physics, Mechanics & Astronomy, 2015, 58(6): 066101-066106
[2]Anhui Cai, Yong Liu, Hong Wu, Dawei Ding, Weike An, Guojun Zhou, Yun Luo and Yongyi Peng, Phase formation, glass forming ability, mechanical and thermal properties of Cu50Zr50xAlx (0≤x≤11.0) glass forming alloys, SCIENCE CHINA Materials, 2015, 58(7): 584-594
[1]An-hui CAI, Da-wei DING, Wei-ke AN, Guo-jun ZHOU, Yun LUO, Jiang-hong LI, Yong-yi PENG, Transition of plasticity and fracture mode of ZrAlNiCu bulk metallic glasses with network structures, Transactions of Nonferrous Metals Society of China, 2015, 25: 2617-2623