38.Fayang Wang, Xin Chen, Lingxiao Gao, Daqiao Tong, Xiaojing Mu*, Boosting output performance of the triboelectric nanogenerator via “charge traps”, The 5th International Conference on Nanoenergy and Nanosystems,Nanogenerators and Energy Harvesting (NENS 2021), 30-35, October 2021

37. Hong Zhou, Dongxiao Li, Xindan Hui, Xianming He, He Huang, and Xiaojing Mu*, "Mid-IR Metamaterial Absorber with Polyvinylamine as a Sensitive Layer for On-Chip Sensing Of Carbon Dioxide",The 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Tansducers 2021), 20-25, June 2021.

36.Xin Chen，Daqiao Tong，Jian Zhang，Lingxiao Gao，Fayang Wang，Hongzhi Pan，Liang Cao and Xiaojing Mu*."Broadband Piezoelectric Nanogenerators Utilizing Three-wafer Bonding for Self-powered Wireless Sensor System",The 16th IEEE International Conference on Nano/Micro Engineered & Molecular System(IEEE-NEMS 2021),April 25-29，2021，China.(Oral,SCI收录)

35.Guixiang Cai, Xiaojing Mu*, " AN ENHANCED-DIFFERENTIAL PMUT FOR ULTRA-LONG DISTANCE MEASUREMENT IN AIR "，The 34th International Conference on Micro Electro Mechanical Systems (IEEE MEMS 2021),January 25-29, 2021，Germany (SCI收录)

34. Lingxiao Gao, Xiaojing Mu*, " ENHANCING THE OUTPUT CHARGE DENSITY OF TRIBOELECTRIC NANOGENERATOR VIA BUILDING CHARGE BLOCKING LAYER "，The 34th International Conference on Micro Electro Mechanical Systems (IEEE MEMS 2021),January 25-29, 2021，Germany (Oral,SCI收录)