2021
DOI: 10.1126/sciadv.abl5892
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Pseudo-atomic orbital behavior in graphene nanoribbons with four-membered rings

Abstract: A type of nanoribbon with four-membered rings was synthesized and was found to behave like a hologram of atomic orbitals.

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Cited by 16 publications
(14 citation statements)
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“…Various types of CLPs containing cyclobutadienoid moieties have been synthesized by means of debrominative [2 + 2] cycloaddition, and they exhibited unique optoelectronic properties. 148,149 For example, a linearly fused coronene-cyclobutadienoid polymer featured an exceptionally narrow indirect band gap of 600 meV. 148 Poly(indenoindene) is a CLP consisting of an alternating sequence of five-and six-membered rings.…”
Section: Clps Comprising Nonbenzenoid Moietiesmentioning
confidence: 99%
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“…Various types of CLPs containing cyclobutadienoid moieties have been synthesized by means of debrominative [2 + 2] cycloaddition, and they exhibited unique optoelectronic properties. 148,149 For example, a linearly fused coronene-cyclobutadienoid polymer featured an exceptionally narrow indirect band gap of 600 meV. 148 Poly(indenoindene) is a CLP consisting of an alternating sequence of five-and six-membered rings.…”
Section: Clps Comprising Nonbenzenoid Moietiesmentioning
confidence: 99%
“…148,149 For example, a linearly fused coronene-cyclobutadienoid polymer featured an exceptionally narrow indirect band gap of 600 meV. 148 Poly(indenoindene) is a CLP consisting of an alternating sequence of five-and six-membered rings. The synthesis of poly(indenoindene) has remained challenging to date because of the inherent reactivity of the indenofluorene monomers.…”
Section: Clps Comprising Nonbenzenoid Moietiesmentioning
confidence: 99%
See 1 more Smart Citation
“…Likewise, more such structures consisting of tetragons and octagons GBs are predicted and show width-dependent periodic electronic properties. Subsequently, these structures with different widths are sequentially synthesized , through on-surface synthesis approach. More interestingly, the polycyclic [N]­Phenylenes, with alternatively fused tetragonal cyclobutadienoid and hexagonal benzenoid rings, has been reported using different synthetic strategies. Not only that, Schlütter et al has proposed a strategy for preparing biphenylenes as well, and they even synthesized a carbon planar structure containing two staggered row of tetragons and octagons …”
Section: Introductionmentioning
confidence: 99%
“…In contrast, on-surface synthesis provides a versatile and convenient pathway for the atomically precise synthesis of one-dimensional nanostructures, , including conjugated polymers and graphene nanoribbons, and allows the direct, atomic-resolution characterization of the structure and electronic properties of the products through scanning probe techniques . In the past 15 years, a variety of organic polymers consisting of individual chains have been synthesized on surfaces, and the accurate characterization of these polymers has provided in-depth insights into the structure–function relationship of polymers. Therefore, we conceived a new strategy of on-surface synthesis of DPs through a divergent cross-coupling reaction (DCR) developed in our previous studies, which is expected to afford atomically precise structures with distinct conformations and configurations.…”
mentioning
confidence: 99%