The DOI matches its Crossref record; 43 of the 43 references it cites were found in a registry or an index.
Linear Scaling of the Exciton Binding Energy versus the Band Gap of Two-Dimensional Materials
Abstract
The exciton is one of the most crucial physical entities in the performance of optoelectronic and photonic devices, and widely varying exciton binding energies have been reported in different classes of materials. Using first-principles calculations within the GW-Bethe-Salpeter equation approach, here we investigate the excitonic properties of two recently discovered layered materials: phosphorene and graphene fluoride. We first confirm large exciton binding energies of, respectively, 0.85 and 2.03 eV in these systems. Next, by comparing these systems with several other representative two-dimensional materials, we discover a striking linear relationship between the exciton binding energy and the band gap and interpret the existence of the linear scaling law within a simple hydrogenic picture. The broad applicability of this novel scaling law is further demonstrated by using strained graphene fluoride. These findings are expected to stimulate related studies in higher and lower dimensions, potentially resulting in a deeper understanding of excitonic effects in materials of all dimensionalities.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cites
Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set
Kresse, G., & Furthmüller, J. (1996) · Physical Review B · doi:10.1103/physrevb.54.11169 · Cited by 123,652
Projector augmented-wave method
Blöchl, P. E. (1994) · Physical Review B · doi:10.1103/physrevb.50.17953 · Cited by 92,732
From ultrasoft pseudopotentials to the projector augmented-wave method
Kresse, G., & Joubert, D. (1999) · Physical Review B · doi:10.1103/physrevb.59.1758 · Cited by 85,307
Kresse, G., & Furthmüller, J. (1996) · Computational Materials Science · doi:10.1016/0927-0256(96)00008-0 · Cited by 75,638
Self-Consistent Equations Including Exchange and Correlation Effects
Kohn, W., & Sham, L. J. (1965) · Physical Review · doi:10.1103/physrev.140.a1133 · Cited by 64,135
Perdew, J. P., Chevary, J. A., Vosko, S. H., Jackson, K. A., Pederson, M. R., Singh, D. J., & Fiolhais, C. (1992) · Physical Review B · doi:10.1103/physrevb.46.6671 · Cited by 22,269
Black phosphorus field-effect transistors
Li, L., Yu, Y., Ye, G. J., Ge, Q., Ou, X., Wu, H., Feng, D., Chen, X. H., & Zhang, Y. (2014) · Nature Nanotechnology · doi:10.1038/nnano.2014.35 · Cited by 8,413
Phosphorene: An Unexplored 2D Semiconductor with a High Hole Mobility
Liu, H., Neal, A. T., Zhu, Z., Luo, Z., Xu, X., Tománek, D., & Ye, P. D. (2014) · ACS Nano · doi:10.1021/nn501226z · Cited by 6,480
wannier90: A tool for obtaining maximally-localised Wannier functions
Mostofi, A. A., Yates, J. R., Lee, Y.-S., Souza, I., Vanderbilt, D., & Marzari, N. (2008) · Computer Physics Communications · doi:10.1016/j.cpc.2007.11.016 · Cited by 4,234
Electronic excitations: density-functional versus many-body Green’s-function approaches
Onida, G., Reining, L., & Rubio, A. (2002) · Reviews of Modern Physics · doi:10.1103/revmodphys.74.601 · Cited by 4,155
Cited by
High‐Quality Whispering‐Gallery‐Mode Lasing from Cesium Lead Halide Perovskite Nanoplatelets
Zhang, Q., Su, R., Liu, X., Xing, J., Sum, T. C., & Xiong, Q. (2016) · Advanced Functional Materials · doi:10.1002/adfm.201601690 · Cited by 668
Metadata
- Authors
- Choi, J.-H., Cui, P., Lan, H., & Zhang, Z.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2015-08-07
- Volume
- 115
- Issue
- 6
- Pages
- 066403-066403
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2340856677
- Cited by
- 258
- References
- 43
- FWCI
- 8.79
- Type
- journal article
- Language
- en
- Open access
- closed
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Linear Scaling of the Exciton Binding Energy versus the Band Gap of Two-Dimensional Materials. https://app.cochat.ai/papers/10.1103/physrevlett.115.066403
- The paper
- Choi, J.-H., Cui, P., Lan, H., & Zhang, Z. (2015). Linear Scaling of the Exciton Binding Energy versus the Band Gap of Two-Dimensional Materials. Physical Review Letters. https://doi.org/10.1103/physrevlett.115.066403
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
