journal article·2020-02Open access

In Situ N‐Doped Graphene and Mo Nanoribbon Formation from Mo2Ti2C3 MXene Monolayers

Rafael Gregorio Mendes, Huy Quang Ta, Xiaoqin Yang, Wei Li, Alicja Bachmatiuk, Jin‐Ho Choi, Thomas Gemming, Babak Anasori, Liu Lijun, Lei Fu, Zhongfan Liu, Mark Hermann Rümmeli

Small· Volume 16· Issue 5

Abstract

Abstract Since the advent of monolayered 2D transition metal carbide and nitrides (MXenes) in 2011, the number of different monolayer systems and the study thereof have been on the rise. Mo2Ti2C3 is one of the least studied MXenes and new insights to this material are of value to the field. Here, the stability of Mo2Ti2C3 under electron irradiation is investigated. A transmission electron microscope (TEM) is used to study the structural and elemental changes in situ. It is found that Mo2Ti2C3 is reasonably stable for the first 2 min of irradiation. However, structural changes occur thereafter, which trigger increasingly rapid and significant rearrangement. This results in the formation of pores and two new nanomaterials, namely, N‐doped graphene membranes and Mo nanoribbons. The study provides insight into the stability of Mo2Ti2C3 monolayers against electron irradiation, which will allow for reliable future study of the material using TEM. Furthermore, these findings will facilitate further research in the rapidly growing field of electron beam driven chemistry and engineering of nanomaterials.
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Research context

OpenAlex topics: MXene and MAX Phase Materials · 2D Materials and Applications · Graphene research and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Soochow Institute for Energy and Materials Innovations College of Physics Optoelectronics and Energy Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215006 China

Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province Soochow University Suzhou 215006 China

Leibniz Institute for Solid State and Materials Research Dresden P.O. Box 270116 Dresden D‐01171 Germany

School of Energy and Power Engineering Xi'an Jiaotong University No. 28, Xianning West Road Xi'an Shaanxi 710049 China

Polish Center for Technology Development (PORT) Ul. Stabłowicka 147 Wrocław 54‐066 Poland

Centre of Polymer and Carbon Materials Polish Academy of Sciences M. Curie‐Skłodowskiej 34 Zabrze 41‐819 Poland

Department of Materials Science & Engineering, and A. J. Drexel Nanomaterials Institute Drexel University Philadelphia PA 19104 USA

Department of Mechanical and Energy Engineering and Integrated Nanosystems Development Institute Purdue School of Engineering and Technology Indiana University‐Purdue University Indianapolis Indianapolis IN 46202 USA

College of Chemistry and Molecular Science Wuhan University Wuhan 430072 China

Center for Nanochemistry Beijing Science and Engineering Centre for Nanocarbons Beijing National Laboratory for Molecular Sciences College of Chemistry and Molecular Engineering Peking University Beijing 100871 China

Institute of Environmental Technology VSB‐Technical University of Ostrava 17. Listopadu 15 Ostrava 708 33 Czech Republic

Funding

National Science Foundation China · National Science Center, Poland · Institute of Environmental Technology - Excellent Research · Sino-German Research Institute · Suzhou Institute for Energy and Materials innovations · Suzhou University

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