Direct laser writing of graphene films from a polyether ether ketone precursor
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Graphene-based micro-supercapacitors exhibit excellent electrochemical performance that can easily meet the energy storage requirements of micro-electronic products. However, the complex preparation and transfer process steps of traditional preparation methods limit their wide application. Direct laser writing can deposit graphene laser-induced graphene (LIG) onto a specific substrate-patterned electrodes. This approach offers great advantages in the preparation of miniature and complex-patterned electrodes, but currently there is a limited choice of precursor materials. In this reported study, biocompatible polyether ether ketone (PEEK) was irradiated using a high repetition rate picosecond laser to produce graphene. Various photothermal and photochemical reactions were involved in the one-step conversion of PEEK into a film comprised of a several layers (3–4) of graphene. The electrochemical testing of a three-electrode system containing this novel graphene showed that LIG had a specific capacitance of 20.4 mF cm−2 at a scan speed of 10 mV s−1, and the capacitance was reversibly maintained with 89.37% retention of the initial capacitance after 5000 cycles. The novel LIG with higher specific capacitance and cycle stability has great potential for use in energy storage micro-devices.
The authors sincerely thank financial support from the National Natural Science Foundation of China (Grant No. 51775419).
Compliance with ethical standards
Conflict of interest
All authors declare that they have no conflict of interest.
- 2.Shi X, Wu ZS, Qin J, Zheng S, Wang S, Zhou F, et al. (2017) Graphene-based linear tandem micro-supercapacitors with metal-free current collectors and high-voltage output. Adv Mater 29(44):1703034Google Scholar
- 6.Yang Y, Huang Q, Niu L, Wang D, Yan C, She Y, et al. (2017) Waterproof, ultrahigh areal-capacitance, wearable supercapacitor fabrics. Adv Mater 29(19):1606679Google Scholar
- 12.Munuera JM, Paredes JI, Enterria M, Pagan A, Villar-Rodil S, Pereira MFR et al (2017) Electrochemical exfoliation of graphite in aqueous sodium halide electrolytes toward low oxygen content graphene for energy and environmental applications. ACS Appl Mater Interfaces 9(28):24085–24099CrossRefGoogle Scholar
- 18.Lamberti A, Serrapede M, Ferraro G, Fontana M, Perrucci F, Bianco S, et al. (2017) All-SPEEK flexible supercapacitor exploiting laser-induced graphenization. 2D Mater 4(3):035012Google Scholar
- 20.Yazdi AZ, Navas IO, Abouelmagd A, Sundararaj U (2017) Direct creation of highly conductive laser-induced graphene nanocomposites from polymer blends. Macromol Rapid Commun 38(17):1700176Google Scholar
- 25.Liu C, Liang H, Wu D, Lu X, Wang Q (2018) Direct semiconductor laser writing of few-layer graphene polyhedra networks for flexible solid-state supercapacitor. Adv Electron Mater 4:1800092Google Scholar
- 28.Basu A, Roy K, Sharma N, Nandi S, Vaidhyanathan R, Rane S et al (2016) CO2 laser direct written MOF-based metal-decorated and heteroatom-doped porous graphene for flexible all-solid-state microsupercapacitor with extremely high cycling stability. ACS Appl Mater Interfaces 8(46):31841–31848CrossRefGoogle Scholar
- 31.Li Y, Luong DX, Zhang J, Tarkunde YR, Kittrell C, Sargunaraj F, et al. (2017) Laser-induced graphene in controlled atmospheres: from superhydrophilic to superhydrophobic surfaces. Adv Mater 29(27):1700496Google Scholar
- 38.Bao L, Li T, Chen S, Peng C, Li L, Xu Q, et al. (2017) 3D graphene frameworks/Co3O4 composites electrode for high-performance supercapacitor and enzymeless glucose detection. Small 13(5):1602077Google Scholar