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Graphene was a Natural sciences good articles nominee, but did not meet the good article criteria at the time. There may be suggestions below for improving the article. Once these issues have been addressed, the article can be renominated. Editors may also seek a reassessment of the decision if they believe there was a mistake. | ||||||||||
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The hightened chemical reactivity of graphene grain boundaries makes polycrystalline graphene ideal candidates for chemical sensors. [1] However, the presence of functional groups and impurities at the grain boundaries can alter the properties of the polycrystalline graphene. [2] Grain boundaries functionalized by oxygen and hydroxyl group shows higher charge transport resistance. [3] The adsorption of hydrogen atoms at the grain boundaries significantly reduces the strength of the polycrystalline graphene sheets. [4]
111Seven ( talk) 16:00, 19 October 2023 (UTC)
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Why is Graphene in this category? The article mentions nothing about it being toxic. Vid ( talk) 22:19, 31 December 2023 (UTC)
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Graphene nanoribbons [1] may be classified as symmetry-protected topological insulators in the absence of disorder. Armchair nanoribbons display chiral symmetry [2] and function as topological insulators [3] [4], similar to graphene zigzag nanoribbons with zigzag edge states [5]. Disorder, acting as a singular perturbation, alters the topological class to a topologically ordered insulator with universal topological entanglement entropy (long-range entangled) [6]. Additionally, midgap states with fractional charges exist, residing on opposite zigzag edges and displaying spin-charge separation. [7]
Recent developments in topological aspects, including both symmetry-protected and topologically ordered features, are outlined. Key papers and books relevant to each aspect are cited.
References
This is the
talk page for discussing improvements to the
Graphene article. This is not a forum for general discussion of the article's subject. |
Article policies
|
Find sources: Google ( books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL |
Graphene was a Natural sciences good articles nominee, but did not meet the good article criteria at the time. There may be suggestions below for improving the article. Once these issues have been addressed, the article can be renominated. Editors may also seek a reassessment of the decision if they believe there was a mistake. | ||||||||||
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This
level-5 vital article is rated C-class on Wikipedia's
content assessment scale. It is of interest to multiple WikiProjects. | |||||||||||||||||||||
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This page has archives. Sections older than 90 days may be automatically archived by ClueBot III when more than 4 sections are present. |
This edit request by an editor with a conflict of interest has now been answered. |
The hightened chemical reactivity of graphene grain boundaries makes polycrystalline graphene ideal candidates for chemical sensors. [1] However, the presence of functional groups and impurities at the grain boundaries can alter the properties of the polycrystalline graphene. [2] Grain boundaries functionalized by oxygen and hydroxyl group shows higher charge transport resistance. [3] The adsorption of hydrogen atoms at the grain boundaries significantly reduces the strength of the polycrystalline graphene sheets. [4]
111Seven ( talk) 16:00, 19 October 2023 (UTC)
References
{{
cite journal}}
: Check |doi=
value (
help); Cite uses deprecated parameter |authors=
(
help); External link in |doi=
(
help)
{{
cite journal}}
: Cite uses deprecated parameter |authors=
(
help); Text "
https://doi.org/10.1021/jp311997j" ignored (
help)
{{
cite journal}}
: Check |doi=
value (
help); Cite uses deprecated parameter |authors=
(
help); External link in |doi=
(
help)
{{
cite journal}}
: Check |doi=
value (
help); External link in |doi=
(
help)
Why is Graphene in this category? The article mentions nothing about it being toxic. Vid ( talk) 22:19, 31 December 2023 (UTC)
This edit request by an editor with a conflict of interest has now been answered. |
Graphene nanoribbons [1] may be classified as symmetry-protected topological insulators in the absence of disorder. Armchair nanoribbons display chiral symmetry [2] and function as topological insulators [3] [4], similar to graphene zigzag nanoribbons with zigzag edge states [5]. Disorder, acting as a singular perturbation, alters the topological class to a topologically ordered insulator with universal topological entanglement entropy (long-range entangled) [6]. Additionally, midgap states with fractional charges exist, residing on opposite zigzag edges and displaying spin-charge separation. [7]
Recent developments in topological aspects, including both symmetry-protected and topologically ordered features, are outlined. Key papers and books relevant to each aspect are cited.
References