The post-Moore's era has boosted the progress in carbon nanotube-based transistors. Indeed, the 5G communication and cloud computing stimulate the research in applications of carbon nanotubes in electronic devices. In this perspective, we deliver the readers with the latest trends in carbon nanotube research, including high-frequency transistors, biomedical sensors and actuators, brain-machine interfaces, and flexible logic devices and energy storages. Future opportunities are given for calling on scientists and engineers into the emerging topics.

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

Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy Institute for Advanced Interdisciplinary Research Universities of Shandong University of Jinan Shandong Jinan 250022 People's Republic of China

College of Energy Institute for Energy and Materials Innovations Soochow University Suzhou Soochow 215006 People's Republic of China

Department of Chemistry Southern University of Science and Technology Shenzhen 518055 People's Republic of China

Dresden Center for Computational Materials Science Dresden Center for Intelligent Materials Technische Universität Dresden 01062 Dresden Germany

Institute for Complex Materials Leibniz Institute for Solid State and Materials Research Dresden 20 Helmholtz Strasse 01069 Dresden Germany

Institute for Materials Science and Max Bergmann Center of Biomaterials Center for Advancing Electronics Dresden Technische Universität Dresden 01069 Dresden Germany

Institute of Environmental Technology VŠB Technical University of Ostrava 17 Listopadu 15 Ostrava 708 33 Czech Republic

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

PORT Polish Center for Technology Development Łukasiewicz Research Network Ul Stabłowicka 147 54 066 Wrocław Poland

State Key Laboratory of Crystal Materials Center of Bio and Micro Nano Functional Materials Shandong University 27 Shandanan Road Jinan 250100 People's Republic of China

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