2021
DOI: 10.1016/j.jallcom.2020.157348
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Nickel nanoparticle/carbon catalysts derived from a novel aqueous-synthesized metal-organic framework for nitroarene reduction

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Cited by 41 publications
(24 citation statements)
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“…A hightemperature treatment with KOH (500−900 °C) likely activated the material and further increased the adsorption to a range of 3−5 mmol/g. 49,52,55,57 A graphene network synthesized at 300 °C and postmodified by NH 2 groups presented a CO 2 adsorption of 2.92 mmol/g. 56 In conclusion, in addition to being synthesized with a low-energy process, our monoliths present the highest CO 2 adsorption capacity when compared to that of similar nontreated materials.…”
Section: Resultsmentioning
confidence: 99%
“…A hightemperature treatment with KOH (500−900 °C) likely activated the material and further increased the adsorption to a range of 3−5 mmol/g. 49,52,55,57 A graphene network synthesized at 300 °C and postmodified by NH 2 groups presented a CO 2 adsorption of 2.92 mmol/g. 56 In conclusion, in addition to being synthesized with a low-energy process, our monoliths present the highest CO 2 adsorption capacity when compared to that of similar nontreated materials.…”
Section: Resultsmentioning
confidence: 99%
“…2,17−23 However, one of the main limiting factors that hinder the applicability of HTCs is that they usually exhibit limited porosity and inadequate chemical properties. 24,25 In order to overcome this drawback, different strategies have been addressed: (i) modification of the duration and temperature of the hydrothermal process, 6,26,27 (ii) carbonization and/or activation of the as-prepared HTCs; 19,21,28,29 or (iii) incorporation of different heteroatoms (nitrogen, phosphor, boron, etc.) or advanced carbon materials (graphene oxide or CNTs) into the initial precursor solution.…”
Section: Introductionmentioning
confidence: 99%
“…A high I D /I G ratio of ∼1.75 confirms high density of disorder in sp 2 -carbon hexagonal networks of GAs. 20,39 The KOH-activated GAs showed a relatively stronger G band and comparatively lower I D /I G ratio ∼0.88, revealing increase in size of the sp 2 domain. 10 The high intensity of the G band and reduction in I D /I G ratio indicate that the KOH activation enhances the concentration of graphitic carbon owing to etching of imperfect or turbostratic carbon structure.…”
Section: ■ Results and Discussionmentioning
confidence: 97%
“…38 Intense D bands revealed the presence of highly disordered graphitic structures with condensed benzene rings. 20,34 The integrated intensity ratio of D to G (I D /I G ) bands is proportional to the ratio of disordered and ordered carbons, i.e., density of disorder. A high I D /I G ratio of ∼1.75 confirms high density of disorder in sp 2 -carbon hexagonal networks of GAs.…”
Section: ■ Results and Discussionmentioning
confidence: 99%
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