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Title: Laser-assisted printing of electrodes using metal–organic frameworks for micro-supercapacitors
Authors: Zhang, Wang
Li, Rui
Zheng, Han
Bao, Jiashuan
Tang, Yu-Jia
Zhou, Kun
Keywords: Engineering::Environmental engineering
Issue Date: 2021
Source: Zhang, W., Li, R., Zheng, H., Bao, J., Tang, Y. & Zhou, K. (2021). Laser-assisted printing of electrodes using metal–organic frameworks for micro-supercapacitors. Advanced Functional Materials, 31(14), 2009057-.
Journal: Advanced Functional Materials
Abstract: Direct laser scribing, an advanced printing technique, has been recently developed to enable the carbonization of carbonaceous precursors in a rapid, precise, and cost-effective manner. Herein, it is reported that metal−organic frameworks (MOFs) can be converted into patterned derived carbon with desired structural features using a CO2 infrared laser system. Metal species in MOFs play a key role in the morphology, porous structure, and crystallinity of the resulting laser-induced products by studying six representative MOFs. Diverse features such as ordered porous structure and continuous network microstructure can be obtained in the laser-induced MOF-derived carbon, which is influenced by the melting and boiling points of metals and their magnetic and catalytic behaviors. Furthermore, a core–shell structured composite (MOF-199@ZIF-67) has been designed and prepared for the fabrication of 12-interdigital electrodes derived from the composite by laser-assisted printing. The as-obtained electrodes with highly porous and hierarchical structure show an enhanced specific capacitance for micro-supercapacitors (MSCs). This work provides a complementary heat treatment method to produce MOF-derived carbon nanomaterials with desired structural features and patterns for MSCs and micro-device-related applications.
ISSN: 1616-301X
DOI: 10.1002/adfm.202009057
Schools: School of Mechanical and Aerospace Engineering 
Research Centres: Nanyang Environment and Water Research Institute 
Singapore Centre for 3D Printing 
Environmental Process Modelling Centre 
Rights: © 2021 Wiley-VCH GmbH. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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