Temperature-controlled exfoliation of graphite oxide: studies of defects and transport properties of graphene oxide
The quality, structural defects, and transport properties of GO can be tailored by maintaining ultrasonic bath temperature. Herein, the effect of temperature-controlled exfoliation on the structural defects and transport properties of the resulting graphene oxide (GO) sheets are examined. The large...
| Glavni autori: | , , , , , , |
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| Format: | Članak |
| Jezik: | English |
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IOP Publishing
2022-01-01
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| Serija: | Materials Research Express |
| Teme: | |
| Online pristup: | https://doi.org/10.1088/2053-1591/ac6d4d |
| _version_ | 1827868721361715200 |
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| author | Satendra Kumar Manoj Goswami Netrapal Singh Hafsa Siddiqui Sathish Natarajan Mohammad Ashiq Surender Kumar |
| author_facet | Satendra Kumar Manoj Goswami Netrapal Singh Hafsa Siddiqui Sathish Natarajan Mohammad Ashiq Surender Kumar |
| author_sort | Satendra Kumar |
| collection | DOAJ |
| description | The quality, structural defects, and transport properties of GO can be tailored by maintaining ultrasonic bath temperature. Herein, the effect of temperature-controlled exfoliation on the structural defects and transport properties of the resulting graphene oxide (GO) sheets are examined. The large crystallite size (12.23 nm) and low defect density (2.16 × 10 ^11 cm ^−2 ) are found at 20 °C exfoliations. Highly oriented GO sheets were exfoliated at 20 °C which was confirmed through Bernal-stacking proportions (∼30%). Furthermore, electrical transport properties are high at 10 °C exfoliation temperature while optimum at other temperatures, calculated through impedance spectroscopy. Comparatively, smooth, wrinkle-free, and lesser bulges are found at 20 °C and 30 °C exfoliation temperatures. |
| first_indexed | 2024-03-12T15:36:23Z |
| format | Article |
| id | doaj.art-7a01804fa44349848917b2b70d336c85 |
| institution | Directory Open Access Journal |
| issn | 2053-1591 |
| language | English |
| last_indexed | 2024-03-12T15:36:23Z |
| publishDate | 2022-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | Materials Research Express |
| spelling | doaj.art-7a01804fa44349848917b2b70d336c852023-08-09T16:13:14ZengIOP PublishingMaterials Research Express2053-15912022-01-019505400110.1088/2053-1591/ac6d4dTemperature-controlled exfoliation of graphite oxide: studies of defects and transport properties of graphene oxideSatendra Kumar0Manoj Goswami1Netrapal Singh2Hafsa Siddiqui3Sathish Natarajan4Mohammad Ashiq5Surender Kumar6https://orcid.org/0000-0003-3193-3746Academy of Scientific and Innovative Research (AcSIR) , Ghaziabad - 201002, India; CSIR - Advanced Materials and Processes Research Institute (AMPRI) , Bhopal - 462026, IndiaAcademy of Scientific and Innovative Research (AcSIR) , Ghaziabad - 201002, India; CSIR - Advanced Materials and Processes Research Institute (AMPRI) , Bhopal - 462026, IndiaAcademy of Scientific and Innovative Research (AcSIR) , Ghaziabad - 201002, India; CSIR - Advanced Materials and Processes Research Institute (AMPRI) , Bhopal - 462026, IndiaCSIR - Advanced Materials and Processes Research Institute (AMPRI) , Bhopal - 462026, IndiaAcademy of Scientific and Innovative Research (AcSIR) , Ghaziabad - 201002, India; CSIR - Advanced Materials and Processes Research Institute (AMPRI) , Bhopal - 462026, IndiaAcademy of Scientific and Innovative Research (AcSIR) , Ghaziabad - 201002, India; CSIR - Advanced Materials and Processes Research Institute (AMPRI) , Bhopal - 462026, IndiaAcademy of Scientific and Innovative Research (AcSIR) , Ghaziabad - 201002, India; CSIR - Advanced Materials and Processes Research Institute (AMPRI) , Bhopal - 462026, IndiaThe quality, structural defects, and transport properties of GO can be tailored by maintaining ultrasonic bath temperature. Herein, the effect of temperature-controlled exfoliation on the structural defects and transport properties of the resulting graphene oxide (GO) sheets are examined. The large crystallite size (12.23 nm) and low defect density (2.16 × 10 ^11 cm ^−2 ) are found at 20 °C exfoliations. Highly oriented GO sheets were exfoliated at 20 °C which was confirmed through Bernal-stacking proportions (∼30%). Furthermore, electrical transport properties are high at 10 °C exfoliation temperature while optimum at other temperatures, calculated through impedance spectroscopy. Comparatively, smooth, wrinkle-free, and lesser bulges are found at 20 °C and 30 °C exfoliation temperatures.https://doi.org/10.1088/2053-1591/ac6d4dultrasonic bath temperaturegraphene oxidedefectstransport properties |
| spellingShingle | Satendra Kumar Manoj Goswami Netrapal Singh Hafsa Siddiqui Sathish Natarajan Mohammad Ashiq Surender Kumar Temperature-controlled exfoliation of graphite oxide: studies of defects and transport properties of graphene oxide Materials Research Express ultrasonic bath temperature graphene oxide defects transport properties |
| title | Temperature-controlled exfoliation of graphite oxide: studies of defects and transport properties of graphene oxide |
| title_full | Temperature-controlled exfoliation of graphite oxide: studies of defects and transport properties of graphene oxide |
| title_fullStr | Temperature-controlled exfoliation of graphite oxide: studies of defects and transport properties of graphene oxide |
| title_full_unstemmed | Temperature-controlled exfoliation of graphite oxide: studies of defects and transport properties of graphene oxide |
| title_short | Temperature-controlled exfoliation of graphite oxide: studies of defects and transport properties of graphene oxide |
| title_sort | temperature controlled exfoliation of graphite oxide studies of defects and transport properties of graphene oxide |
| topic | ultrasonic bath temperature graphene oxide defects transport properties |
| url | https://doi.org/10.1088/2053-1591/ac6d4d |
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