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15 Results Found

  • Article
  • Open Access
18 Citations
3,976 Views
12 Pages

Ab-Initio Study of the Electronic and Magnetic Properties of Boron- and Nitrogen-Doped Penta-Graphene

  • Chao Zhang,
  • Yu Cao,
  • Xing Dai,
  • Xian-Yong Ding,
  • Leilei Chen,
  • Bing-Sheng Li and
  • Dong-Qi Wang

24 April 2020

First-principles calculations were performed to investigate the effects of boron/nitrogen dopant on the geometry, electronic structure and magnetic properties of the penta-graphene system. It was found that the electronic band gap of penta-graphene c...

  • Article
  • Open Access
2 Citations
1,195 Views
11 Pages

9 July 2025

Penta-graphene, a novel two-dimensional carbon allotrope entirely composed of pentagonal carbon rings, has attracted increasing attention due to its unique geometric structure, mechanical robustness, and intrinsic semiconducting nature. In this study...

  • Feature Paper
  • Article
  • Open Access
1,906 Views
23 Pages

11 July 2025

This study employs molecular dynamics (MD) simulations to investigate the mechanical response and fracture behavior of penta-graphene, a novel two-dimensional carbon allotrope composed entirely of pentagonal rings with mixed sp2–sp3 hybridizati...

  • Article
  • Open Access
2 Citations
1,610 Views
9 Pages

Tuning the Electronic Bandgap of Penta-Graphene from Insulator to Metal Through Functionalization: A First-Principles Calculation

  • J. O. Morales-Ferreiro,
  • Gerardo Silva-Oelker,
  • Chandra Kumar,
  • Carlos Zambra,
  • Zeyu Liu,
  • Donovan E. Diaz-Droguett and
  • Diego Celentano

31 October 2024

We performed first-principles density functional theory (DFT) calculations to numerically investigate the electronic band structures of penta-graphene (PG), a novel two-dimensional carbon material with a pentagonal lattice structure, and its chemical...

  • Article
  • Open Access
880 Views
25 Pages

7 September 2025

Pentagonal two-dimensional allotropes—penta-graphene (PG) and penta-SiC2—are promising but experimentally elusive materials whose identification requires spectroscopic fingerprints that extend beyond ground-state descriptors. Using densit...

  • Article
  • Open Access
26 Citations
3,624 Views
11 Pages

Designing a high-performance gas sensor to efficiently detect the hazardous NH3 molecule is beneficial to air monitoring and pollution control. In this work, the first-principles calculations were employed to investigate the adsorption structures, el...

  • Article
  • Open Access
3 Citations
3,670 Views
10 Pages

Adsorption of H2 on Penta-Octa-Penta Graphene: Grand Canonical Monte Carlo Study

  • Maxim N. Popov,
  • Thomas Dengg,
  • Dominik Gehringer and
  • David Holec

1 April 2020

In this paper, we report the results of hydrogen adsorption properties of a new 2D carbon-based material, consisting of pentagons and octagons (Penta-Octa-Penta-graphene or POP-graphene), based on the Grand-Canonical Monte Carlo simulations. The new...

  • Article
  • Open Access
2,702 Views
9 Pages

19 April 2023

[5.5.5.5]hexaene is a [12]annulene ring with a symmetrically bound carbon atom in its center. This is the smallest hydrocarbon with a hyperbolic paraboloid shape. [5.5.5.5]hexaene and related hydrocarbons are important building blocks in organic and...

  • Article
  • Open Access
65 Citations
3,667 Views
20 Pages

Design of a Penta-Band Graphene-Based Terahertz Metamaterial Absorber with Fine Sensing Performance

  • Runing Lai,
  • Hao Chen,
  • Zigang Zhou,
  • Zao Yi,
  • Bin Tang,
  • Jing Chen,
  • Yougen Yi,
  • Chaojun Tang,
  • Jianguo Zhang and
  • Tangyou Sun

21 September 2023

This paper presents a new theoretical proposal for a surface plasmon resonance (SPR) terahertz metamaterial absorber with five narrow absorption peaks. The overall structure comprises a sandwich stack consisting of a gold bottom layer, a silica mediu...

  • Article
  • Open Access
1,423 Views
12 Pages

17 August 2024

Recently, the application of two–dimensional (2D) piezoelectric materials has been seriously hindered because most of them possess only in–plane piezoelectricity but lack out–of–plane piezoelectricity. In this work, using firs...

  • Article
  • Open Access
875 Views
16 Pages

Wettability of Two-Dimensional Carbon Allotropes from Molecular Simulations

  • Margaret E. Thornton,
  • Serban G. Zamfir and
  • Dusan Bratko

6 August 2025

Force-field Monte Carlo and Molecular Dynamics simulations are used to compare wetting behaviors of model carbon sheets mimicking neat graphene, its saturated derivative, graphane, and related planar allotropes penta-graphene, γ-graphyne, and &...

  • Article
  • Open Access
7 Citations
3,262 Views
11 Pages

27 September 2021

The pentagon has been proven to be an important structural unit for carbon materials, leading to different physical and chemical properties from those of hexagon-based allotropes. Following the development from graphene to penta-graphene, a breakthro...

  • Article
  • Open Access
11 Citations
5,586 Views
15 Pages

Interactions between a H2 Molecule and Carbon Nanostructures: A DFT Study

  • Dominik Gehringer,
  • Thomas Dengg,
  • Maxim N. Popov and
  • David Holec

24 March 2020

On a long path of finding appropriate materials to store hydrogen, graphene and carbon nanotubes have drawn a lot of attention as potential storage materials. Their advantages lie at hand since those materials provide a large surface area (which can...

  • Article
  • Open Access
1 Citations
1,585 Views
16 Pages

13 November 2024

Materials with high carrier mobility, represented by graphene, have garnered significant interest. However, the zero band gap arising from linear dispersion cannot achieve an ideal on–off ratio in field-effect transistors (FETs), limiting pract...

  • Article
  • Open Access
10 Citations
2,819 Views
12 Pages

Nanomechanical Behavior of Pentagraphyne-Based Single-Layer and Nanotubes through Reactive Classical Molecular Dynamics

  • José Moreira de Sousa,
  • Wjefferson Henrique da Silva Brandão,
  • Weverson Lucas Aguiar Paula Silva,
  • Luiz Antônio Ribeiro Júnior,
  • Douglas Soares Galvão and
  • Marcelo Lopes Pereira Júnior

15 November 2023

A novel 2D carbon allotrope, pentagraphyne (PG-yne), was introduced in a recent theoretical study. This unique structure is derived from pentagraphene by incorporating acetylenic linkages between sp3 and sp2 hybridized carbon atoms. Given its intrigu...