Transparent crystalline cubic SiC-on-glass electrodes enable simultaneous electrochemistry and optical microscopy

Hoang-Phuong Phan; Mostafa Kamal Masud; Raja Kumar Vadivelu; Toan Dinh; Tuan-Khoa Nguyen; Kieu Ngo; Dzung Viet Dao; Muhammad J. A. Shiddiky; Md Shahriar A. Hossain; Yusuke Yamauchi; Nam-Trung Nguyen

doi:10.1039/C9CC03082D

Transparent crystalline cubic SiC-on-glass electrodes enable simultaneous electrochemistry and optical microscopy†

Hoang-Phuong Phan,

‡*^a Mostafa Kamal Masud,

‡^bc Raja Kumar Vadivelu,^a Toan Dinh,

^a Tuan-Khoa Nguyen,

^a Kieu Ngo,^d Dzung Viet Dao,^ae Muhammad J. A. Shiddiky,

^af Md Shahriar A. Hossain,^bg Yusuke Yamauchi^bh and Nam-Trung Nguyen

^a

Author affiliations

* Corresponding authors

^a Queensland Micro-Nanotechnology Centre, Griffith University, Qld, Australia
E-mail: h.phan@griffith.edu.au

^b Australian Institute for Bioengineering and Nanotechnology, University of Queensland, Qld, Australia

^c Department of Biochemistry & Molecular Biology, Shahjalal University of Science & Technology, Sylhet 3114, Bangladesh

^d Laboratory Interfaces & Electrochemical Systems, Sorbonne University, Paris, France

^e School of Engineering and Built Environment, Griffith University, Qld, Australia

^f School of Environment and Science, Griffith University, Qld, Australia

^g School of Mechanical & Mining Engineering, University of Queensland, Qld, Australia

^h School of Chemical Engineering, University of Queensland, Qld, Australia

Abstract

This work presents crystalline SiC-on-glass as a transparent, robust, and optically stable electrode for simultaneous electrochemical characterization and optical microscope imaging. Experimental results show a large potential window, as well as excellent stability and repeatability over multiple cyclic voltammetric scans in common redox biomarkers such as ruthenium hexaammine and methylene blue. The high optical transmittance and biocompatibility of SiC-on-glass were also observed, enabling cell culture, electrical stimulation, and high resolution fluorescence imaging. This new platform opens exciting opportunities in multi-functional biosensing-probes and observation.

Chemical Communications

Transparent crystalline cubic SiC-on-glass electrodes enable simultaneous electrochemistry and optical microscopy†

Abstract

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Transparent crystalline cubic SiC-on-glass electrodes enable simultaneous electrochemistry and optical microscopy

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