(1) surface atomic structure evolution in solid-gas reaction via in situ electron microscopy;
(2) big data analysis of in situ electron microscopy through deep learning and image recognition methodology;
(3) methodology and instrument development for operando electron microscopy on catalysis.
[1] Lv, Y. Q., Wang, P., Liu, D. D., Zhang, F., Senftle, P. T.,* Zhang, G. H., Zhang Z. Y.,* Wang, J. M., Liu W.* Tracing the Active Phase and Dynamics for Carbon Nanofiber Growth on Nickel Catalyst Using Environmental Transmission Electron Microscopy. Small Methods 6, 2270036 (2022).
[2] Zhang, F., Pen, M., Spruit, R., Garza, P. H., Liu, W.* & Zhou, D.* Data Synchronization in Operando Gas and Heating TEM. Ultramicroscopy 238, 113549 (2022)
[3] Zhang, F., Zhang, X. B., Jia, Z. H. and Liu, W. Precise Drift Tracking for In Situ Transmission Electron Microscopy via a Thon-Ring Based Sample Position Measurement. Microscopy and Microanalysis 10.1017/S1431927622000691(2022)
[4] Yang, J.,# Qi, H.,# Li, A.,# Liu, X., Yang, X.,* Zhang, S., Zhao, Q., Jiang, Q., Su, Y., Zhang, L., Li, J.-F.,* Tian, Z.-Q., Liu, W.,* Wang, A.* & Zhang, T. Potential-Driven Restructuring of Cu Single Atoms to Nanoparticles for Boosting the Electrochemical Reduction of Nitrate to Ammonia. Journal of the American Chemical Society DOI:10.1021/jacs.1022c02262 (2022).
[5] Liu, S. H.,# Xu, H.,# Liu, D. D., Yu, H., Zhang, F., Zhang, P., Zhang, R. L., Liu, W.* Identify the Activity Origin of Pt Single-Atom Catalyst via Atom-by-Atom Counting. Journal of the American Chemical Society, 143, 15243-15249 (2021).
[6] Liu, S., Xu, C., Zhang, Z., Zhao, Q., Yao, L., Liu, W.* Precisely identify the geometry of catalyst particles from S/TEM images via a boundary attention deep learning network. Material Today Communications 28 102728 (2021).
[7] Wang, L. H., Liu, D. D., Zhang, F., Zhang, Z. Y.,* Cui, J. F., Jia, Z. H., Yu, Z. B., Lv, Y. Q., Liu, W.* Dynamics of the charging-induced imaging instability in transmission electron microscopy. Nanoscale Adv. 3, 3035-3040 (2021).
[8] Zhang, X.#, Han, S.#, Zhu, B. #, Zhang, G. #, Li, X., Gao, Y.*, Wu, Z., Yang, B.*, Liu, Y., Baaziz, W., Ersen, O., Gu, M.*, Miller, J. T.& Liu, W.* Reversible loss of core–shell structure for Ni–Au bimetallic nanoparticles during CO2 hydrogenation. Nature Catalysis 3, 411-417 (2020).
[9] Piao, Y.,# Jiang, Q.,# Li, H., Matsumoto, H., Liang, J., Liu, W.,* Pham-Huu, C., Liu, Y.,* Wang, F.,* ACS Catalysis 10, 7894-7906 (2020) (Cover artwork)
[10]Liu, W.#, Wang, N. #, Wang, R. M.*, Kumar, S., Duesberg, S. G., Zhang, H. Z.*& Sun, K. Atom-Resolved Evidence of Anisotropic Growth in ZnS Nanotetrapods. Nano Letters 11, 2983-2989 (2011).
