Temperature dependence of electric properties of GO and GO/WPA films on interdigital electrodes
Аутори
Mravik, ŽeljkoPejčić, Milica
Grujičić, Marija
Rmuš Mravik, Jelena
Stević, Miša
Stević, Zoran
Jovanović, Zoran
Конференцијски прилог (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
In sensor devices the material of choice should be highly dependent on perturbation of environmental parameters. In order to achieve good sensitivity and selectivity of sensing devices to temperature, humidity or concentration of different gasses, the materials with adjustable properties are highly desirable. Electric properties of graphene oxide (GO) can be easily tuned by modification of surface chemistry and anchoring of functional compounds onto its two-dimensional structure. Prior to application of sensing device, research and development of materials system is the most essential step. In this work, the formation of GO and GO/12-tungstophosphoric acid (WPA) films with 6 wt.% of WPA on interdigital electrodes was investigated by variation of dip-coating parameters (receding angle and time between steps). Obtained films were thermally reduced in argon atmosphere after which optical microscopy was used to evaluate morphology and stability of deposited GO and GO/WPA films. Impedance s...pectroscopy was used to investigate the electric properties of the obtained films in range from 10 Hz to 100 kHz. Measured impedance values were correlated to the degree of material detachment and deposition parameters i.e. films showing the lowest impedance values had the smallest area of detached film. Additionally, impedance values were measured depending on the environment temperature which showed that GO/WPA films exhibit the lowest impedance values and good sensitivity to changes of temperature making it good a candidate for sensing devices.
Извор:
21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts, 2023, 40-40Издавач:
- Belgrade : Institute of Technical Sciences of SASA
Напомена:
- Twenty-First Young Researchers’ Conference - Materials Science and Engineering: Program and the Book of Abstracts; November 29 – December 1, 2023, Belgrade, Serbia
Колекције
Институција/група
VinčaTY - CONF AU - Mravik, Željko AU - Pejčić, Milica AU - Grujičić, Marija AU - Rmuš Mravik, Jelena AU - Stević, Miša AU - Stević, Zoran AU - Jovanović, Zoran PY - 2023 UR - https://vinar.vin.bg.ac.rs/handle/123456789/12314 AB - In sensor devices the material of choice should be highly dependent on perturbation of environmental parameters. In order to achieve good sensitivity and selectivity of sensing devices to temperature, humidity or concentration of different gasses, the materials with adjustable properties are highly desirable. Electric properties of graphene oxide (GO) can be easily tuned by modification of surface chemistry and anchoring of functional compounds onto its two-dimensional structure. Prior to application of sensing device, research and development of materials system is the most essential step. In this work, the formation of GO and GO/12-tungstophosphoric acid (WPA) films with 6 wt.% of WPA on interdigital electrodes was investigated by variation of dip-coating parameters (receding angle and time between steps). Obtained films were thermally reduced in argon atmosphere after which optical microscopy was used to evaluate morphology and stability of deposited GO and GO/WPA films. Impedance spectroscopy was used to investigate the electric properties of the obtained films in range from 10 Hz to 100 kHz. Measured impedance values were correlated to the degree of material detachment and deposition parameters i.e. films showing the lowest impedance values had the smallest area of detached film. Additionally, impedance values were measured depending on the environment temperature which showed that GO/WPA films exhibit the lowest impedance values and good sensitivity to changes of temperature making it good a candidate for sensing devices. PB - Belgrade : Institute of Technical Sciences of SASA C3 - 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts T1 - Temperature dependence of electric properties of GO and GO/WPA films on interdigital electrodes SP - 40 EP - 40 UR - https://hdl.handle.net/21.15107/rcub_vinar_12314 ER -
@conference{ author = "Mravik, Željko and Pejčić, Milica and Grujičić, Marija and Rmuš Mravik, Jelena and Stević, Miša and Stević, Zoran and Jovanović, Zoran", year = "2023", abstract = "In sensor devices the material of choice should be highly dependent on perturbation of environmental parameters. In order to achieve good sensitivity and selectivity of sensing devices to temperature, humidity or concentration of different gasses, the materials with adjustable properties are highly desirable. Electric properties of graphene oxide (GO) can be easily tuned by modification of surface chemistry and anchoring of functional compounds onto its two-dimensional structure. Prior to application of sensing device, research and development of materials system is the most essential step. In this work, the formation of GO and GO/12-tungstophosphoric acid (WPA) films with 6 wt.% of WPA on interdigital electrodes was investigated by variation of dip-coating parameters (receding angle and time between steps). Obtained films were thermally reduced in argon atmosphere after which optical microscopy was used to evaluate morphology and stability of deposited GO and GO/WPA films. Impedance spectroscopy was used to investigate the electric properties of the obtained films in range from 10 Hz to 100 kHz. Measured impedance values were correlated to the degree of material detachment and deposition parameters i.e. films showing the lowest impedance values had the smallest area of detached film. Additionally, impedance values were measured depending on the environment temperature which showed that GO/WPA films exhibit the lowest impedance values and good sensitivity to changes of temperature making it good a candidate for sensing devices.", publisher = "Belgrade : Institute of Technical Sciences of SASA", journal = "21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts", title = "Temperature dependence of electric properties of GO and GO/WPA films on interdigital electrodes", pages = "40-40", url = "https://hdl.handle.net/21.15107/rcub_vinar_12314" }
Mravik, Ž., Pejčić, M., Grujičić, M., Rmuš Mravik, J., Stević, M., Stević, Z.,& Jovanović, Z.. (2023). Temperature dependence of electric properties of GO and GO/WPA films on interdigital electrodes. in 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts Belgrade : Institute of Technical Sciences of SASA., 40-40. https://hdl.handle.net/21.15107/rcub_vinar_12314
Mravik Ž, Pejčić M, Grujičić M, Rmuš Mravik J, Stević M, Stević Z, Jovanović Z. Temperature dependence of electric properties of GO and GO/WPA films on interdigital electrodes. in 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts. 2023;:40-40. https://hdl.handle.net/21.15107/rcub_vinar_12314 .
Mravik, Željko, Pejčić, Milica, Grujičić, Marija, Rmuš Mravik, Jelena, Stević, Miša, Stević, Zoran, Jovanović, Zoran, "Temperature dependence of electric properties of GO and GO/WPA films on interdigital electrodes" in 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts (2023):40-40, https://hdl.handle.net/21.15107/rcub_vinar_12314 .