Highly anisotropic and robust excitons in monolayer black phosphorus

Nature Nanotechnology

Volumn 10, Issue 6, 2015, Pages 517-521

  Wang, Xiaomu ^a   Jones, Aaron M ^b   Seyler, Kyle L ^b   Tran, Vy ^c   Jia, Yichen ^a   Zhao, Huan ^d   Wang, Han ^d   Yang, Li ^c   Xu, Xiaodong ^b   Xia, Fengnian ^a  

^a Yale University   (United States)

^b UNIVERSITY OF WASHINGTON   (United States)

^c WASHINGTON UNIVERSITY   (United States)

^d University of Southern California ^*  (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPY; BINDING ENERGY; ENERGY GAP; EXCITONS; LASER EXCITATION; OPTOELECTRONIC DEVICES; PHOSPHORUS; PHOTOLUMINESCENCE; POLARIZATION; SEMICONDUCTOR QUANTUM WELLS; TRANSITION METALS;

EXCITON-BINDING ENERGY; HIGH CARRIER MOBILITY; LINEARLY POLARIZED; PHONON PROPERTIES; PHOTOLUMINESCENCE EXCITATION SPECTROSCOPY; PHOTOLUMINESCENCE MEASUREMENTS; TRANSITION METAL DICHALCOGENIDES; TWO-DIMENSIONAL MATERIALS;

MONOLAYERS;

MONOLAYER BLACK PHOSPHORUS; PHOSPHORUS; UNCLASSIFIED DRUG;

ABSORPTION SPECTROSCOPY; ANISOTROPY; ARTICLE; ATOMIC FORCE MICROSCOPY; ATOMIC PARTICLE; CONDUCTANCE; EXCITATION; EXCITON; LASER; LINEAR DICHROISM; PHONON; PHOTOLUMINESCENCE; PHOTON; PHYSICS; POLARIZATION; PRIORITY JOURNAL; RAMAN SPECTROMETRY; ROOM TEMPERATURE; SPECTROSCOPY;

EID: 84930482259     PISSN: 17483387     EISSN: 17483395     Source Type: Journal    
DOI: 10.1038/nnano.2015.71     Document Type: Article

References (33)

1. Geim, A. K. & Novoselov, K. S. The rise of graphene. Nature Mater. 6, 183-191 (2007).
2. Wang, Q. H., Kalantar-Zadeh, K., Kis, A., Coleman, J. N. & Strano, M. S. Electronics and optoelectronics of two-dimensional transition metal dichalcogenides. Nature Nanotech. 7, 699-712 (2012).
3. Li, L. et al. Black phosphorus field-effect transistors. Nature Nanotech. 9, 372-377 (2014).
4. Xia, F., Wang, H. & Jia, Y. Rediscovering black phosphorus as an anisotropic layered material for optoelectronics and electronics. Nature Commun. 5, 4458 (2014).
5. Liu, H. et al. Phosphorene: an unexplored 2D semiconductor with a high hole mobility. ACS Nano 8, 4033-4041 (2014).
6. Koenig, S. P., Doganov, R. A., Schmidt, H., Castro Neto, A. H. & Özyilmaz, B. Electric field effect in ultrathin black phosphorus. Appl. Phys. Lett. 104, 103106 (2014).
7. Rodin, A. S., Carvalho, A. & Castro Neto, A. H. Strain-induced gap modification in black phosphorus. Phys. Rev. Lett. 112, 176801 (2014).
8. Tran, V., Soklaski, R., Liang, Y. & Yang, L. Layer-controlled band gap and anisotropic excitons in few-layer black phosphorus. Phys. Rev. B 89, 235319 (2014).
9. Qiao, J., Kong, X., Hu, Z.-X., Yang, F. & Ji, W. High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus. Nature Commun. 5, 4475 (2014).
10. Ling, X., Wang, H., Huang, S., Xia, F. & Dresselhaus, M. S. The renaissance of black phosphorus. Proc. Natl Acad. Sci. USA http://dx.doi.org/10.1073/pnas.1416581112 (2015).
11. Morita, A. Semiconducting black phosphorus. Appl. Phys. A 39, 227-242 (1986).
12. Scholes, G. D. & Rumbles, G. Excitons in nanoscale systems. Nature Mater. 5, 683-696 (2006).
13. Zhang, S. et al. Extraordinary photoluminescence and strong temperature/angle-dependent Raman responses in few-layer phosphorene. ACS Nano 8, 9590-9596 (2014).
14. Sugai, S. & Shirotani, I. Raman and infrared reflection spectroscopy in black phosphorus. Solid State Commun. 53, 753-755 (1985).
15. Fei, R. & Yang, L. Lattice vibrational modes and Raman scattering spectra of strained phosphorene. Appl. Phys. Lett. 105, 083120 (2014).
16. Li, P. & Appelbaum, I. Electrons and holes in phosphorene. Phys. Rev. B 90, 115439 (2014).
17. Mak, K. F., Lee, C., Hone, J., Shan, J. & Heinz, T. F. Atomically thin MoS2: a new direct-gap semiconductor. Phys. Rev. Lett. 105, 136805 (2010).
18. Splendiani, A. et al. Emerging photoluminescence in monolayer MoS2. Nano Lett. 10, 1271-1275 (2010).
19. Eda, G. et al. Photoluminescence from chemically exfoliated MoS2. Nano Lett. 11, 5111-5116 (2011).
20. Zeng, H., Dai, J., Yao, W., Xiao, D. & Cui, X. Valley polarization in MoS2 monolayers by optical pumping. Nature Nanotech. 7, 490-493 (2012).
21. Mak, K. F. et al. Tightly bound trions in monolayer MoS2. Nature Mater. 12, 207-211 (2013).
22. Ugeda, M. M. et al. Giant bandgap renormalization and excitonic effects in a monolayer transition metal dichalcogenide semiconductor. Nature Mater. 13, 1091-1095 (2014).
23. Wang, F., Dukovic, G., Brus, L. E. & Heinz, T. F. The optical resonances in carbon nanotubes arise from excitons. Science 308, 838-841 (2005).
24. Spataru, C. D., Ismail-Beigi, S., Capaz, R. B. & Louie, S. G. Theory and ab initio calculation of radiative lifetime of excitons in semiconducting carbon nanotubes. Phys. Rev. Lett. 95, 247402 (2005).
25. Tran, V. & Yang, L. Scaling laws for the bandgap and optical response of phosphorene nanoribbons. Phys. Rev. B 89, 245407 (2014).
26. Cąkr, D., Sahin, H. & Peeters, F. M. Tuning of the electronic and optical properties of single-layer black phosphorus by strain. Phys. Rev. B 90, 205421 (2014).
27. Lin, Y. et al. Dielectric screening of excitons and trions in single-layer MoS2. Nano Lett. 14, 5569-5576 (2014).
28. Blake, P. et al. Making graphene visible. Appl. Phys. Lett. 91, 063124 (2007).
29. Cheiwchanchamnangij, T. & Lambrecht, W. R. Quasiparticle band structure calculation of monolayer, bilayer, and bulk MoS2. Phys. Rev. B 85, 205302 (2012).
30. Chernikov, A. et al. Non-hydrogenic exciton Rydberg series in monolayer WS2. Phys. Rev. Lett. 113, 076802 (2014).
31. Tongay, S. et al. Defects activated photoluminescence in two-dimensional semiconductors. Sci. Rep. 3, 2657 (2013).
32. Bao, Q. et al. Broadband graphene polarizer. Nature Photon. 5, 411-415 (2011).
33. Xia, F., Sekaric, L. & Vlasov, Y. Ultracompact optical buffers on a silicon chip. Nature Photon. 1, 65-71 (2007).