Reduction of graphene oxide by 100 MeV Au ion irradiation and its application as H<sub>2</sub>O<sub>2</sub>sensor

Hareesh, K.; Joshi, R. P.; Shateesh, B.; Asokan, K.; Kanjilal, D.; Late, Dattatray J.; Dahiwale, S.S.; Bhoraskar, V.N.; Haram, Santosh K.; Dhole, S.D.

doi:10.1088/0022-3727/48/36/365105

Cited by 46 publications

(20 citation statements)

References 37 publications

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“…Among these bonding states, CQC and C-O dominated in pristine GO foil and indicate the considerable degree of oxidation. 36 After ion irradiation, a decrease of peak intensity is observed, attributed to the oxygen functionalized carbon and increasing intensity of the CQC and C-C peaks. Although all five indicated carbon chemical states are present for all the GO foils, the concentration of individual chemical states varies.…”

Section: Structural and Composition Modification Of Go Foils Determinmentioning

confidence: 97%

“…Similar results were observed when GO was irradiated using 100 MeV Au ions in ref. 36 and using Ti ions with different energies. 37 The ATR-FTIR spectra of the pristine and irradiated GO foils recorded in the wavenumber range of 4000-400 cm À1 are presented in Fig.…”

Section: Structural and Composition Modification Of Go Foils Determinmentioning

confidence: 99%

“…38,39 The oxygen in the pristine sample can be confirmed mainly by the absorption bands at B1730 cm À1 (CQO stretching vibration) and by the presence of a broad band at 1000-1200 cm À1 attributed to C-O alkoxy and epoxy stretching vibration. 36,40,41 The presence of the absorption peak at B1630 cm À1 can be attributed to the stretching vibration of CQC of the graphene skeleton. 38 The presence of hydroxyl groups results in the formation of hydrogen bonds which contribute to the hydrophilic nature of graphene oxide.…”

Section: Structural and Composition Modification Of Go Foils Determinmentioning

confidence: 99%

“…The chemical reduction of GO was accompanied by a decrease or even suppression of the intensity of different oxygen peaks as observed in FTIR spectra. 36 To get more comprehensive insight into graphene oxide reduction under the light energetic ion irradiation, Raman spectroscopy was used. In all Raman spectra, two major peaks, corresponding to the D (1350 cm À1 ) and G (1590 cm À1 ) bands, were observed (see Fig.…”

Section: Structural and Composition Modification Of Go Foils Determinmentioning

confidence: 99%

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Graphene oxide layers modified by light energetic ions

Malínský

Macková

Mikšová

et al. 2017

Phys. Chem. Chem. Phys.

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In this paper, the effect of light ion irradiation on graphene oxide foil structure and composition was studied. Due to the excellent properties of graphene based materials suitable for application in electronics, optoelectronics, micro-mechanics and space technologies, the interaction of energetic ions with graphene based structures is worth studying. From the fundamental point of view, it is also interesting to get information about graphene oxide structure modification and the possible functional properties after irradiation by energetic ions. The light ion irradiation of graphene oxide (GO) foil was performed using 2.5 MeV H and 5.1 MeV He ions. The change in the elemental composition of the GO foils after ion irradiation was investigated using Rutherford Backscattering Spectrometry and Elastic Recoil Detection Analysis. The influence of ion irradiation was further studied by microscopy methods. The chemical composition and structural changes of the GO foil surface were characterized by spectroscopy techniques including XPS, FTIR and Raman spectroscopy. Although the results of ion beam analysis indicated no significant compositional changes in the bulk of GO foils connected to ion irradiation, XPS, ATR-FTIR and Raman spectroscopy revealed reduction and removal of oxygen functionalities on the surface of graphene oxide. This reduction leads to a surface resistivity decrease after ion irradiation dependent on the ion species, fluence and energy.

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Section: Structural and Composition Modification Of Go Foils Determinmentioning

confidence: 97%

Section: Structural and Composition Modification Of Go Foils Determinmentioning

confidence: 99%

Section: Structural and Composition Modification Of Go Foils Determinmentioning

confidence: 99%

Section: Structural and Composition Modification Of Go Foils Determinmentioning

confidence: 99%

See 2 more Smart Citations

Graphene oxide layers modified by light energetic ions

Malínský

Macková

Mikšová

et al. 2017

Phys. Chem. Chem. Phys.

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“…A broad characteristic peak appears at 3000-3600 cm -1 which represents the O-H stretching of hydroxyl and carboxyl groups. The oxygen in the pristine sample can be confirmed mainly by the absorption bands at ∼1726 cm -1 (C=O stretching vibration) and by the presence of a broad band at 1000-1200 cm -1 attributed to C-O alkoxy and epoxy stretching vibration [27,32,33]. The presence of the absorption peak at ∼1630 cm -1 can be attributed to the stretching vibration of C=C of graphene skeleton [34].…”

Section: Resultsmentioning

confidence: 99%

Laser modification of graphene oxide layers

Malínský

Macková

Cutroneo³

et al. 2018

EPJ Web of Conferences

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Abstract. The effect of linearly polarized laser irradiation with various energy densities was successfully used for reduction of graphene oxide (GO). The ion beam analytical methods (RBS, ERDA) were used to follow the elemental composition which is expected as the consequence of GO reduction. The chemical composition analysis was accompanied by structural study showing changed functionalities in the irradiated GO foils using spectroscopy techniques including XPS, FTIR and Raman spectroscopy. The AFM was employed to identify the surface morphology and electric properties evolution were subsequently studied using standard two point method measurement. The used analytical methods report on reduction of irradiated graphene oxide on the surface and the decrease of surface resistivity as a growing function of the laser beam energy density.

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Integrating Conductive Metal–Organic Framework with Graphene Oxide to Highly Sensitive Platform for Electrochemical Sensing

Shi

Zhao

et al. 2021

Adv Materials Inter

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The abnormal level of DA concentration may mean several neurodegenerative diseases including spinocerebellar atrophy, schizophrenia, Parkinsonism, and Alzheimer. [2] Uric acid (UA) is an eventual product of dietary and endogenous purine metabolism and its overproduction is considered to be closely related to many illnesses such as hyperuricemia, gout, pneumonia, leukemia, cardiovascular disease, kidney disease, and neurological diseases. [3] Among the established methods for detecting DA and UA, [4][5][6][7][8] the electrochemical approach has attracted great attentions due to its rapid response, high sensitivity and accuracy, and low cost. [9] Relying on the rational selection and integration of materials, electrochemical detection of biological molecules has been developed rapidly in the past two decades. [10][11][12] Metal-organic frameworks (MOFs) are a kind of crystalline porous materials that consist of metal ions linked by organic ligands. [13] Due to their high surface area, regular but tunable pore size, and tailorable surface chemistry, MOFs have exhibited great potential in the fields of gas separation and storage, [14,15] drug delivery, [16] optoelectronics, [17] sensing, [18] heterogeneous catalysis, [19] and energy storage and conversion. [20,21] Some MOFs also have been explored as candidate materials for electrochemical sensing, [22,23] but their insulated nature might impose to some extent a limit on the further enhancement of sensing performances. In this regard, the conductive MOFs, typified by those containing benzene-/triphenylene-derived ligands, [24,25] would no doubt be more attractive to electrochemical sensing [26] as well as other electrochemical applications including electrocatalysis [27] and energy storage/conversion. [20,28] On the other hand, integrating MOFs with other functional materials provides an alternative route to improving the sensing performances. [29] Graphene oxide (GO), an extensively studied carbonaceous material, has also been integrated with MOFs for applications ranging from gas separation to energy storage. [30][31][32][33][34] In particular, Zhu and co-workers have reported a physical mixing process to prepare highly stable NH 2 -MIL-101(Fe)-GO (MIL = Materials of Institute Lavoisier) composites for the detection of purines and their metabolites. [35] Wang and co-workers have demonstrated the low The rational selection and integration of materials play important roles in advancing electrochemical sensing. Herein, a highly sensitive electrochemical platform based on composites of graphene oxide (GO) and conductive YbHHTP metal-organic framework (HHTP = 2,3,6,7,10,11-hexahydroxytriphenylene) for the detection of dopamine (DA) and uric acid (UA) is reported. The composites are prepared by the introduction of GO into the hydrothermal synthesis of YbHHTP. The morphology, structure, and property of the resultant GO/YbHHTP composites are characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, ultraviolet-visible spectroscopy,...

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Reduction of graphene oxide by 100 MeV Au ion irradiation and its application as H₂O₂sensor

Cited by 46 publications

References 37 publications

Graphene oxide layers modified by light energetic ions

Graphene oxide layers modified by light energetic ions

Laser modification of graphene oxide layers

Integrating Conductive Metal–Organic Framework with Graphene Oxide to Highly Sensitive Platform for Electrochemical Sensing

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Reduction of graphene oxide by 100 MeV Au ion irradiation and its application as H2O2sensor

Cited by 46 publications

References 37 publications

Graphene oxide layers modified by light energetic ions

Graphene oxide layers modified by light energetic ions

Laser modification of graphene oxide layers

Integrating Conductive Metal–Organic Framework with Graphene Oxide to Highly Sensitive Platform for Electrochemical Sensing

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Reduction of graphene oxide by 100 MeV Au ion irradiation and its application as H₂O₂sensor