Van der Waals Solids from Self-Assembled Nanoscale Building Blocks

Bonnie Choi, Jaeeun Yu, Daniel W. Paley, M. Tuan Trinh, Maria V. Paley, Jessica M. Karch, Andrew C. Crowther, Chul Ho Lee, Roger Lalancette, Xiaoyang Zhu, Philip Kim, Michael L. Steigerwald, Colin Nuckolls, Xavier Roy

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Traditional atomic van der Waals materials such as graphene, hexagonal boron-nitride, and transition metal dichalcogenides have received widespread attention due to the wealth of unusual physical and chemical behaviors that arise when charges, spins, and vibrations are confined to a plane. Though not as widespread as their atomic counterparts, molecule-based two-dimensional (2D) layered solids offer significant benefits; their structural flexibility will enable the development of materials with tunable properties. Here we describe a layered van der Waals solid self-assembled from a structure-directing building block and C60 fullerene. The resulting crystalline solid contains a corrugated monolayer of neutral fullerenes and can be mechanically exfoliated. The absorption spectrum of the bulk solid shows an optical gap of 390 ± 40 meV that is consistent with thermal activation energy obtained from electrical transport measurement. We find that the dimensional confinement of fullerenes significantly modulates the optical and electronic properties compared to the bulk solid.

Original languageEnglish (US)
Pages (from-to)1445-1449
Number of pages5
JournalNano Letters
Volume16
Issue number2
DOIs
StatePublished - Feb 10 2016

Fingerprint

Fullerenes
fullerenes
Graphite
Boron nitride
boron nitrides
Electronic properties
Graphene
Transition metals
Absorption spectra
Monolayers
graphene
flexibility
Optical properties
Activation energy
transition metals
activation energy
Crystalline materials
absorption spectra
optical properties
vibration

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering
  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)

Keywords

  • Self-assembly
  • fullerene
  • molecular clusters
  • two-dimensional materials

Cite this

Choi, B., Yu, J., Paley, D. W., Trinh, M. T., Paley, M. V., Karch, J. M., ... Roy, X. (2016). Van der Waals Solids from Self-Assembled Nanoscale Building Blocks. Nano Letters, 16(2), 1445-1449. https://doi.org/10.1021/acs.nanolett.5b05049
Choi, Bonnie ; Yu, Jaeeun ; Paley, Daniel W. ; Trinh, M. Tuan ; Paley, Maria V. ; Karch, Jessica M. ; Crowther, Andrew C. ; Lee, Chul Ho ; Lalancette, Roger ; Zhu, Xiaoyang ; Kim, Philip ; Steigerwald, Michael L. ; Nuckolls, Colin ; Roy, Xavier. / Van der Waals Solids from Self-Assembled Nanoscale Building Blocks. In: Nano Letters. 2016 ; Vol. 16, No. 2. pp. 1445-1449.
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Choi, B, Yu, J, Paley, DW, Trinh, MT, Paley, MV, Karch, JM, Crowther, AC, Lee, CH, Lalancette, R, Zhu, X, Kim, P, Steigerwald, ML, Nuckolls, C & Roy, X 2016, 'Van der Waals Solids from Self-Assembled Nanoscale Building Blocks', Nano Letters, vol. 16, no. 2, pp. 1445-1449. https://doi.org/10.1021/acs.nanolett.5b05049

Van der Waals Solids from Self-Assembled Nanoscale Building Blocks. / Choi, Bonnie; Yu, Jaeeun; Paley, Daniel W.; Trinh, M. Tuan; Paley, Maria V.; Karch, Jessica M.; Crowther, Andrew C.; Lee, Chul Ho; Lalancette, Roger; Zhu, Xiaoyang; Kim, Philip; Steigerwald, Michael L.; Nuckolls, Colin; Roy, Xavier.

In: Nano Letters, Vol. 16, No. 2, 10.02.2016, p. 1445-1449.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Van der Waals Solids from Self-Assembled Nanoscale Building Blocks

AU - Choi, Bonnie

AU - Yu, Jaeeun

AU - Paley, Daniel W.

AU - Trinh, M. Tuan

AU - Paley, Maria V.

AU - Karch, Jessica M.

AU - Crowther, Andrew C.

AU - Lee, Chul Ho

AU - Lalancette, Roger

AU - Zhu, Xiaoyang

AU - Kim, Philip

AU - Steigerwald, Michael L.

AU - Nuckolls, Colin

AU - Roy, Xavier

PY - 2016/2/10

Y1 - 2016/2/10

N2 - Traditional atomic van der Waals materials such as graphene, hexagonal boron-nitride, and transition metal dichalcogenides have received widespread attention due to the wealth of unusual physical and chemical behaviors that arise when charges, spins, and vibrations are confined to a plane. Though not as widespread as their atomic counterparts, molecule-based two-dimensional (2D) layered solids offer significant benefits; their structural flexibility will enable the development of materials with tunable properties. Here we describe a layered van der Waals solid self-assembled from a structure-directing building block and C60 fullerene. The resulting crystalline solid contains a corrugated monolayer of neutral fullerenes and can be mechanically exfoliated. The absorption spectrum of the bulk solid shows an optical gap of 390 ± 40 meV that is consistent with thermal activation energy obtained from electrical transport measurement. We find that the dimensional confinement of fullerenes significantly modulates the optical and electronic properties compared to the bulk solid.

AB - Traditional atomic van der Waals materials such as graphene, hexagonal boron-nitride, and transition metal dichalcogenides have received widespread attention due to the wealth of unusual physical and chemical behaviors that arise when charges, spins, and vibrations are confined to a plane. Though not as widespread as their atomic counterparts, molecule-based two-dimensional (2D) layered solids offer significant benefits; their structural flexibility will enable the development of materials with tunable properties. Here we describe a layered van der Waals solid self-assembled from a structure-directing building block and C60 fullerene. The resulting crystalline solid contains a corrugated monolayer of neutral fullerenes and can be mechanically exfoliated. The absorption spectrum of the bulk solid shows an optical gap of 390 ± 40 meV that is consistent with thermal activation energy obtained from electrical transport measurement. We find that the dimensional confinement of fullerenes significantly modulates the optical and electronic properties compared to the bulk solid.

KW - Self-assembly

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Choi B, Yu J, Paley DW, Trinh MT, Paley MV, Karch JM et al. Van der Waals Solids from Self-Assembled Nanoscale Building Blocks. Nano Letters. 2016 Feb 10;16(2):1445-1449. https://doi.org/10.1021/acs.nanolett.5b05049