Eco-friendly cellulose-derived transparent carbon nanosheet electrodes

[Display omitted] •Carbon nanosheets (CNSs) were successfully fabricated by an eco-friendly cellulose/ N-methylmorpholine-N-oxide precursor.•Cellulose-derived CNSs were composed of over 99 % C and a small amount of O (∼1 %).•The sheet resistance and transmittance of CNSs could be easily adjusted by...

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Bibliographic Details
Published in:Materials research bulletin 2020-12, Vol.132, p.110999, Article 110999
Main Authors: Son, Su-Young, Yang, Seung-Lyeol, Lee, Sungho, Na, Seok-In, Joh, Han-Ik
Format: Article
Language:English
Subjects:
Carbon nanosheets
Cellulose
Eco-friendly precursor
Organic photovoltaics
Transparent electrodes
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Summary:[Display omitted] •Carbon nanosheets (CNSs) were successfully fabricated by an eco-friendly cellulose/ N-methylmorpholine-N-oxide precursor.•Cellulose-derived CNSs were composed of over 99 % C and a small amount of O (∼1 %).•The sheet resistance and transmittance of CNSs could be easily adjusted by controlling the cellulose concentration.•The CNSs were directly applied as a transparent electrode material in organic photovoltaics without any complex processes. In this study, we fabricated carbon nanosheets (CNSs) using an eco-friendly cellulose precursor. Various properties such as the electrical and optical properties of the cellulose-based CNS could be easily adjusted by controlling the precursor concentration. In addition, the CNS was directly applied as a transparent electrode (TE) material in an organic photovoltaic without any additional process, and the device exhibited the highest power conversion efficiency of ∼ 1.84 %. The cellulose-based CNS is expected to have practical applications as a TE material for various electronic devices.
ISSN:0025-5408
1873-4227
DOI:10.1016/j.materresbull.2020.110999