Wan improved the stability and resolution of electrochemical scanning tunneling microscope (ECTSM) devices, and resolved a number of related problems, such as the STM imaging mechanisms of various types of chiral molecules.
He also designed a series of high-performance electrode materials based on micro/nano composite structures.
[3] Wan was elected as an academician of the Chinese Academy of Sciences in 2009.
He is the president of the All-China Federation of Returned Overseas Chinese since 2017.
[4] During the 20th National Congress of the Communist Party, Wan was elected as a member of the 20th Central Committee.