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Semiconducting MOFs on ultraviolet laser-induced graphene with a hierarchical pore architecture for NO2 monitoring

Title
Semiconducting MOFs on ultraviolet laser-induced graphene with a hierarchical pore architecture for NO2 monitoring
Author(s)
Lim, HyeongtaeKwon, HyeokjinKang, HongkiJang, Jae EunKwon, Hyuk-Jun
Issued Date
2023-05
Citation
Nature Communications, v.14, no.1
Type
Article
Keywords
METAL-ORGANIC FRAMEWORKSSENSING PERFORMANCETHIN-FILMSOXIDESSPECTROSCOPYFABRICATIONNANOFIBERSCHEMISTRY
ISSN
2041-1723
Abstract
Due to rapid urbanization worldwide, monitoring the concentration of nitrogen dioxide (NO2), which causes cardiovascular and respiratory diseases, has attracted considerable attention. Developing real-time sensors to detect parts-per-billion (ppb)-level NO2 remains challenging due to limited sensitivity, response, and recovery characteristics. Herein, we report a hybrid structure of Cu3HHTP2, 2D semiconducting metal-organic frameworks (MOFs), and laser-induced graphene (LIG) for high-performance NO2 sensing. The unique hierarchical pore architecture of LIG@Cu3HHTP2 promotes mass transport of gas molecules and takes full advantage of the large surface area and porosity of MOFs, enabling highly rapid and sensitive responses to NO2. Consequently, LIG@Cu3HHTP2 shows one of the fastest responses and lowest limit of detection at room temperature compared with state-of-the-art NO2 sensors. Additionally, by employing LIG as a growth platform, flexibility and patterning strategies are achieved, which are the main challenges for MOF-based electronic devices. These results provide key insight into applying MOFtronics as high-performance healthcare devices.
URI
http://hdl.handle.net/20.500.11750/46073
DOI
10.1038/s41467-023-38918-3
Publisher
Nature Research
Related Researcher
  • 강홍기 Kang, Hongki 전기전자컴퓨터공학과
  • Research Interests Bioelectronics; Neural interfaces; Flexible electronics; Printed electronics; 바이오전자; 신경 인터페이스; 뇌공학; 플렉서블 전자; 반도체 소자; 인쇄 전자
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Appears in Collections:
Department of Electrical Engineering and Computer Science Advanced Electronic Devices Research Group(AEDRG) - Kwon Lab. 1. Journal Articles
Department of Electrical Engineering and Computer Science Advanced Electronic Devices Research Group(AEDRG) - Jang Lab. 1. Journal Articles
Department of Electrical Engineering and Computer Science Advanced Electronic Devices Research Group(AEDRG) - Kang Lab. 1. Journal Articles

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