1.环境感知材料：气体传感，水质检测以及生物电化学传感及其器件

2.绿色环境材料：电催化剂（HER, OER, ORR），钠离子电池，金属-空电池

1.2017.12—至今，西安交通大学，材料科学与工程学院，特聘研究员，博导

2.2016.02-2017.12，新加坡南洋理工大学，材料科学与工程学院，研究员

3.2014.12-2016.02，日本京都大学，理学研究科化学院，JSPS特别研究员

4.2014.03-2014.11，韩国高丽大学，材料科学与工程学院，研究教授

5.2013.07-2014.02，中国科学院，固体物理研究所凝聚态物理流动站，博士后

1.201806114   纳米箔加热材料技术    企业横向课题       2018-6~       负责人    横向项目

2.西安交通大学青年拔尖人才支持计划启动经费       985学科建设费    2018-1~2023.1 负责人    纵向项目

3.1191329812 中央高校基本科研业务费  中央高校基本科研业务费    2018-1~       负责人    纵向项目

1.Zhengfei Dai, Hongbo Geng, Jiong Wang, Yubo Luo, Bing Li, Yun Zong, Jun Yang, Yuanyuan Guo, Yun Zheng, Xin Wang, and Qingyu Yan,* Hexagonal-Phase Cobalt Monophosphosulphide for Highly Efficient Overall Water Splitting. ACS Nano 2017,11, 11031-11040.

2.Zhengfei Dai, Yue Li, GuotaoDuan, Lichao Jia, and Weiping Cai, "Phase diagram, design of monolayerbinary colloidal crystals, and their fabrication based on ethanol-assistedself-assembly at the air/water interface", ACS Nano. 2012, 6(8), 6706-6716.

3.Penglun Zheng, Zhengfei Dai,* Yu Zhang, Khang Ngoc Dinh, Yun Zheng, Haosen Fan, Jun Yang,Raksha Dangol, Bing Li, Yun Zong, Qingyu Yan* and Xiaobo Liu,* Scalable Synthesis of SnS2/S-Doped Graphene Composites for Superior Li/Na-Ion Batteries, Nanoscale, 2017, 9, 14820-14825. 

4.Khang Ngoc Dinh, Penglun Zheng, Zhengfei Dai,* Yu Zhang, Raksha Dangol, Yun Zheng, Bing Li, Yun Zong, and Qingyu Yan,*  Ultrathin Porous NiFeV Ternary Layer Hydroxide Nanosheets as a Highly Efficient Bifunctional Electrocatalyst for Overall Water Splitting. Small, 2018, DOI: 10.1002/smll.201703257

5.Zhengfei Dai, Chul-Soon Lee, Yahui Tian, Il-Doo KimJong-Heun Lee, Highly reversible switching from P- toN-type NO2 sensing in a monolayer Fe2O3 inverse opal film and the associated P–N transition phasediagram. Journal of Materials Chemistry A 2015, 3(7), 3372-3381. (backcover)