The effect of cesium dopant on APCVD graphene coating on copper
Аутори
Naghdi, SamiraNešović, Katarina
Sanchez-Arriaga, Gonzalo
Song, Hyun Yong
Kim, Sung Wng
Rhee, Kyong Yop
Mišković-Stanković, Vesna
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
This study reports in-situ cesium-doped graphene (G/Cs) coating obtained by introducing Cs2CO3 into the atmospheric pressure chemical vapor deposition (APCVD) furnace during graphene deposition on copper. The successful Cs-doping of the graphene coating was confirmed via X-ray photoelectron spectroscopy (XPS). As compared to the spectra of pure graphene coating, the XPS spectra of the G/Cs coating revealed a shift of the C1s and Cs3d(5/2) peaks to higher and lower binding energies, respectively; thus, implying the n-type character of the doping and indicating a charge transfer between Cs and graphene. Raman results show that a pure graphene coating is composed of fewer layers, fewer defects, and larger domain size than the G/Cs coating. Ultraviolet photoelectron spectroscopy was utilized to study the work function of graphene and the G/Cs and revealed that doping graphene with Cs dopants reduced the work function of graphene by 1.2 eV. Electrochemical testing during 15-day immersion in... 0.1 M NaCl indicated the destructive effect of the G/Cs coating on the Cu substrate. The results showed that the G/Cs coating exhibits a higher corrosion rate and lower corrosion resistance than even the bare metal itself.
Кључне речи:
Graphene / Doping / XPS / Raman spectroscopy / EIS / PolarizationИзвор:
Journal of Materials Research and Technology-JMR&T, 2020, 9, 5, 9798-9812Издавач:
- Elsevier, Amsterdam
Финансирање / пројекти:
- Agencia Estatal de Investigacion (Ministerio de Ciencia, Innovacion y Universidades of Spain) [ESP2017-82092-ERC (AEI)]
- Comunidad de Madrid (Spain)Comunidad de Madrid [2018/T2IND/11352]
- Ministerio de Ciencia, Innovacion y Universidades of Spain [RYC-2014-15357]
- National Research Foundation of the Ministry of Education, Republic of Korea (Basic Science Research Program) [2018R1A2B5A02023190]
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200135 (Универзитет у Београду, Технолошко-металуршки факултет) (RS-MESTD-inst-2020-200135)
DOI: 10.1016/j.jmrt.2020.06.091
ISSN: 2238-7854
WoS: 000579367500032
Scopus: 2-s2.0-85094320307
Колекције
Институција/група
Tehnološko-metalurški fakultetTY - JOUR AU - Naghdi, Samira AU - Nešović, Katarina AU - Sanchez-Arriaga, Gonzalo AU - Song, Hyun Yong AU - Kim, Sung Wng AU - Rhee, Kyong Yop AU - Mišković-Stanković, Vesna PY - 2020 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4376 AB - This study reports in-situ cesium-doped graphene (G/Cs) coating obtained by introducing Cs2CO3 into the atmospheric pressure chemical vapor deposition (APCVD) furnace during graphene deposition on copper. The successful Cs-doping of the graphene coating was confirmed via X-ray photoelectron spectroscopy (XPS). As compared to the spectra of pure graphene coating, the XPS spectra of the G/Cs coating revealed a shift of the C1s and Cs3d(5/2) peaks to higher and lower binding energies, respectively; thus, implying the n-type character of the doping and indicating a charge transfer between Cs and graphene. Raman results show that a pure graphene coating is composed of fewer layers, fewer defects, and larger domain size than the G/Cs coating. Ultraviolet photoelectron spectroscopy was utilized to study the work function of graphene and the G/Cs and revealed that doping graphene with Cs dopants reduced the work function of graphene by 1.2 eV. Electrochemical testing during 15-day immersion in 0.1 M NaCl indicated the destructive effect of the G/Cs coating on the Cu substrate. The results showed that the G/Cs coating exhibits a higher corrosion rate and lower corrosion resistance than even the bare metal itself. PB - Elsevier, Amsterdam T2 - Journal of Materials Research and Technology-JMR&T T1 - The effect of cesium dopant on APCVD graphene coating on copper EP - 9812 IS - 5 SP - 9798 VL - 9 DO - 10.1016/j.jmrt.2020.06.091 ER -
@article{ author = "Naghdi, Samira and Nešović, Katarina and Sanchez-Arriaga, Gonzalo and Song, Hyun Yong and Kim, Sung Wng and Rhee, Kyong Yop and Mišković-Stanković, Vesna", year = "2020", abstract = "This study reports in-situ cesium-doped graphene (G/Cs) coating obtained by introducing Cs2CO3 into the atmospheric pressure chemical vapor deposition (APCVD) furnace during graphene deposition on copper. The successful Cs-doping of the graphene coating was confirmed via X-ray photoelectron spectroscopy (XPS). As compared to the spectra of pure graphene coating, the XPS spectra of the G/Cs coating revealed a shift of the C1s and Cs3d(5/2) peaks to higher and lower binding energies, respectively; thus, implying the n-type character of the doping and indicating a charge transfer between Cs and graphene. Raman results show that a pure graphene coating is composed of fewer layers, fewer defects, and larger domain size than the G/Cs coating. Ultraviolet photoelectron spectroscopy was utilized to study the work function of graphene and the G/Cs and revealed that doping graphene with Cs dopants reduced the work function of graphene by 1.2 eV. Electrochemical testing during 15-day immersion in 0.1 M NaCl indicated the destructive effect of the G/Cs coating on the Cu substrate. The results showed that the G/Cs coating exhibits a higher corrosion rate and lower corrosion resistance than even the bare metal itself.", publisher = "Elsevier, Amsterdam", journal = "Journal of Materials Research and Technology-JMR&T", title = "The effect of cesium dopant on APCVD graphene coating on copper", pages = "9812-9798", number = "5", volume = "9", doi = "10.1016/j.jmrt.2020.06.091" }
Naghdi, S., Nešović, K., Sanchez-Arriaga, G., Song, H. Y., Kim, S. W., Rhee, K. Y.,& Mišković-Stanković, V.. (2020). The effect of cesium dopant on APCVD graphene coating on copper. in Journal of Materials Research and Technology-JMR&T Elsevier, Amsterdam., 9(5), 9798-9812. https://doi.org/10.1016/j.jmrt.2020.06.091
Naghdi S, Nešović K, Sanchez-Arriaga G, Song HY, Kim SW, Rhee KY, Mišković-Stanković V. The effect of cesium dopant on APCVD graphene coating on copper. in Journal of Materials Research and Technology-JMR&T. 2020;9(5):9798-9812. doi:10.1016/j.jmrt.2020.06.091 .
Naghdi, Samira, Nešović, Katarina, Sanchez-Arriaga, Gonzalo, Song, Hyun Yong, Kim, Sung Wng, Rhee, Kyong Yop, Mišković-Stanković, Vesna, "The effect of cesium dopant on APCVD graphene coating on copper" in Journal of Materials Research and Technology-JMR&T, 9, no. 5 (2020):9798-9812, https://doi.org/10.1016/j.jmrt.2020.06.091 . .