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Research profile

Liquid Phase Electron Microscopy (LPEM) provides unique capabilities for probing the real-time dynamics of nanomaterials, enabling the direct observation of structure formation over different length and timescales. However, regardless of the exciting success LPEM has been achieved, it is still a relatively young technique with many limitations, among which electron-beam-induced artifacts is one of the most common, leading to misinterpretation of LPEM data. Thus developing an imaging protocol with good resolution and minimized dose is highly desired. In this project, we aim to develop low-dose and contrast enhancement techniques relevant for LPEM. To this ends, we will use polymer, silica and hybrid nanoparticles with different size and different electron scattering power to evaluate resolution and contrast in low dose LPEM. In addition, scripting will be used for beam manipulation and automated image acquisition. The developed protocols will be applied in multiscale imaging, more specifically, the self-assembly of block copolymers into bicontinuous nanospheres will be studied as well as their subsequent mineralization with SiO2.

Academic background

Hanglong Wu is currently a PhD researcher in the Laboratory of Materials and Interface Chemistry at Eindhoven University of Technology (TU/e). He was born in Zhejiang Province, P. R. China. After obtaining his bachelor of engineering in 2013, he joined the Center of Electron Microscopy in Zhejiang University to pursue his master's degree. His master's thesis, entiled, 'Unconventional crystallization of rutile crystals', focused on the investigation of growth mechanisms, self-aggregation behaviors and inner structure/defect evolution of metal oxides with curved surfaces using TEM and FIB techniques. After receiving his master thesis in June 2016, he moved to the Netherlands and joined the ERC ITN MULTIMAT, working on the project 'Low dose LP-EM for multiscale imaging'.

 

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Research Output

  • 29 Citations
  • 3 Article
  • 2 Conference contribution

Liquid-Phase Electron Microscopy for Soft Matter Science and Biology

Wu, H., Friedrich, H., Patterson, J. P., Sommerdijk, N. A. J. M. & de Jonge, N., 17 May 2020, In : Advanced Materials. 32, 25, 21 p., 2001582.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
  • Cryo-TEM and electron tomography reveal leaching-induced pore formation in ZSM-5 zeolite

    Li, T., Wu, H., Ihli, J., Ma, Z., Krumeich, F., Bomans, P. H. H., Sommerdijk, N. A. J. M., Friedrich, H., Patterson, J. P. & Van Bokhoven, J. A., 28 Jan 2019, In : Journal of Materials Chemistry A. 7, 4, p. 1442-1446 5 p.

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
    File
  • 6 Citations (Scopus)
    31 Downloads (Pure)

    Liquid–liquid phase separation during amphiphilic self-assembly

    Ianiro, A., Wu, H., van Rijt, M. M. J., Vena, M. P., Keizer, A. D. A., Esteves, A. C. C., Tuinier, R., Friedrich, H., Sommerdijk, N. A. J. M. & Patterson, J. P., 1 Apr 2019, In : Nature Chemistry. 11, 4, p. 320-328 9 p.

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
    File
  • 23 Citations (Scopus)
    166 Downloads (Pure)

    In-situ Lliquid phase electron microscopy of beam-sensitive materials

    Wu, H., Ianiro, A., van Rijt, M. M. J., Esteves, A. C. C. C., Tuinier, R., Friedrich, H., Sommerdijk, N. A. J. M. & Patterson, J. P., 7 Feb 2018, Proceedings of CISCEM 2018 - the 4th Conference on In-Situ and Correlative Electron Microscopy. Cambridge University Press, Vol. 25. p. 66-64 2 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Open Access

    Watching block copolymer self-assembly with liquid phase transmission electron microscopy

    Wu, H., Ianiro, A., van Rijt, M., de Carvalho Esteves, C., Friedrich, H., Tuinier, R., Sommerdijk, N. & Patterson, J., 18 Mar 2018, Abstracts of Papers, 255th ACS National Meeting & Exposition. American Chemical Society, POLY 295

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review