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ACS_NANO Letters

15 Jan 2021









Nano Letters _Cover Picture


January 13, 2021

Volume 21, Issue 1

Pages 1-890


Protons, which can penetrate the grain boundary of nanocrystalline-graphene (nc-Gr), induce protonation/

deprotonation of charged molecules on the substrate, depending on the pH of the solution. 

The proton-permeable nc-Gr-based pH sensor behaves with a pH-sensing mechanism different from the 

conventional Gr pH sensor and shows a super-Nernstian response.


Su-Ho Jung,  Young-Min Seo,  Taejun Gu,  Wonseok Jang,  Seog-Gyun Kang,  

Yuhwan Hyeon,  Sang-Hwa Hyun,  Jae-Hyun Lee,  Dongmok Whang


https://pubs.acs.org/toc/nalefd/21/1


Image created by Younghee Lee / CUBE3D Graphic.