Role of graphene quantum dots with discrete band gaps on SnO<sub>2</sub> nanodomes for NO<sub>2</sub> gas sensors with an ultralow detection limit-Reference-Cited by-同舟云学术

Role of graphene quantum dots with discrete band gaps on SnO₂ nanodomes for NO₂ gas sensors with an ultralow detection limit

Published:2023 Issue:10 Volume:5 Page:2767-2775
ISSN:2516-0230
Container-title:Nanoscale Advances
language:en
Short-container-title:Nanoscale Adv.

Author:

Lee Jinho¹,Park Minsu²,Song Young Geun³^ORCID,Cho Donghwi⁴^ORCID,Lee Kwangjae⁵,Shim Young-Seok⁶,Jeon Seokwoo¹⁷^ORCID

Affiliation:

1. Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea

2. Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA

3. Electronic Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul 02791, Republic of Korea

4. Thin Film Materials Research Center, Korea Research Institute of Chemical Technology, Yuseong, Daejeon 34114, Republic of Korea

5. Department of Information Security Engineering, Sangmyung University, Cheonan 31066, Republic of Korea

6. School of Energy, Materials and Chemical Engineering, Korea University of Technology and Education, Cheonan, 31253, Republic of Korea

7. Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea

Abstract

The decoration of graphene quantum dots enhances the NO2 gas sensing performance of SnO2 nanodomes by utilizing both electrical and chemical sensitization effects, leading to an impressive reduction in the theoretical detection limit.

Funder

Ministry of Land, Infrastructure and Transport

Korea University of Technology and Education

Publisher

Royal Society of Chemistry (RSC)

Subject

General Engineering,General Materials Science,General Chemistry,Atomic and Molecular Physics, and Optics,Bioengineering

Link

http://pubs.rsc.org/en/content/articlepdf/2023/NA/D2NA00925K

Reference48 articles.

1. Increase in tropospheric nitrogen dioxide over China observed from space

2. NOx sensors based on semiconducting metal oxide nanostructures: Progress and perspectives

3. Semiconductor metal oxide gas sensors: A review

4. Advances in designs and mechanisms of semiconducting metal oxide nanostructures for high-precision gas sensors operated at room temperature

5. Graphene–metal oxide nanohybrids for toxic gas sensor: A review

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