[Info.aoa-nano] Smalltalks "Self-assembly of two-dimensional nanomaterials"

[Nano]

SmallTalk [about Nanoscience]
On Monday May 13th at 15.00h we welcome you all to our SmallTalk seminar series. You are welcome to join us in lecture hall Kollektorn, MC2 with fika or on zoom.
Our speaker is Ruiqi Chen, Doctoral Student, Materials and Manufacture, Industrial and Materials Science. The seminar is titled “Self-assembly of two-dimensional nanomaterials​”.
Abstract:
Two-dimensional materials (2DMs) are ultrathin nanomaterials with unique characteristics such as high surface-to-volume ratio, surface charge, shape, high degree of anisotropicity, and adjustable chemical functionality. In the last decade, 2DMs such as graphene, transition metal dichalcogenides, 2D transition metal carbides and nitrides (MXenes) have drawn significant attention, being considered as promising materials with the potential to change the world in many applications, for example, energy storage devices, semiconductors, sensors, etc. To utilize them  to fabricate practical and macroscopic devices on a large scale, there is a complementary need to controllably assemble these 2D building blocks into more sophisticated and hierarchical three-dimensional (3D) architectures. In this talk, I will firstly introduce the most popular ways (e.g., template-assisted methods) to create3D structures, for example, sophisticated and beautiful flower-like structures, 3D network structures, hollow spherical structures, by self-assembling 2D nanomaterials. I will also tell you why 3D assembling structures are needed. In the end, I will share with you a story about how we developed an innovative method to self-assemble 2D materials (graphene and MXene) into 3D hollow spheres and their outstanding performance for energy storage. Our method is very simple and can be scaled up for large-scale synthesis with great potential for practical applications.
The seminar is divided into two parts, where the first part consists of a pure overview of the field and is held on a generally accessible level (10 min). The second part will be more technical (15-20 minutes).
Looking forward to seeing you live or on Zoom:  https://chalmers.zoom.us/j/61929604403
Best regards,
Angela, Nils, Christoph, and Janine

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