Improving the stability and optical properties of germanane via one-step covalent methyl-termination

Nature Communications

Volumn 5, Issue , 2014, Pages

  Jiang, Shishi ^a   Butler, Sheneve ^a   Bianco, Elisabeth ^a   Restrepo, Oscar D ^b   Windl, Wolfgang ^b   Goldberger, Joshua E ^a  

^a OHIO STATE UNIVERSITY   (United States)

^b The Ohio State University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

GERMANANE; GERMANIUM DERIVATIVE; UNCLASSIFIED DRUG;

CRYSTAL; OPTICAL PROPERTY; TWO-DIMENSIONAL MODELING;

ARTICLE; CHEMICAL REACTION; CRYSTAL; FLUORESCENCE; ONE STEP COVALENT METHYLTERMINATION; OPTICS; QUANTUM YIELD; THERMOSTABILITY; THICKNESS;

EID: 84896884251     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms4389     Document Type: Article

References (44)

1. Novoselov, K. S. et al. Electric field effect in atomically thin carbon films. Science 306, 666-669 (2004). (Pubitemid 39440910)
2. Yang, X., Cheng, C., Wang, Y., Qiu, L. & Li, D. Liquid-mediated dense integration of graphene materials for compact capacitive energy storage. Science 341, 534-537 (2013).
3. Radisavljevic, B., Radenovic, A., Brivio, J., Giacometti, V. & Kis, A. Single-layer MoS2 transistors. Nat. Nanotech. 6, 147-150 (2011).
4. Karunadasa, H. I. et al. A molecular MoS2 edge site mimic for catalytic hydrogen generation. Science 335, 698-702 (2012).
5. Mak, K. F., He, K., Shan, J. & Heinz, T. F. Control of valley polarization in monolayer MoS2 by optical helicity. Nat. Nanotech. 7, 494-498 (2012).
6. Wang, Q. H., Kalantar-Zadeh, K., Kis, A., Coleman, J. N. & Strano, M. S. Electronics and optoelectronics of two-dimensional transition metal dichalcogenides. Nat. Nanotech. 7, 699-712 (2012).
7. Chhowalla, M. et al. The chemistry of two-dimensional layered transition metal dichalcogenide nanosheets. Nat. Chem. 5, 263-275 (2013).
8. Wang, Q. H. et al. Understanding and controlling the substrate effect on graphene electron-transfer chemistry via reactivity imprint lithography. Nat. Chem. 4, 724-732 (2012).
9. Bianco, E. et al. Stability and exfoliation of germanane: a germanium graphane analogue. ACS Nano 7, 4414-4421 (2013).
10. Butler, S. Z. et al. Progress, challenges, and opportunities in two-dimensional materials beyond graphene. ACS Nano 7, 2898-2926 (2013).
11. Xu, Y. et al. Large-gap quantum spin Hall insulators in tin films. Phys. Rev. Lett. 111, 136804 (2013).
12. Elias, D. C. et al. Control of graphene's properties by reversible hydrogenation: evidence for graphane. Science 323, 610-613 (2009).
13. Englert, J. M. et al. Covalent bulk functionalization of graphene. Nat. Chem. 3, 279-286 (2011).
14. Cheng, S. H. et al. Reversible fluorination of graphene: evidence of a two-dimensional wide bandgap semiconductor. Phys. Rev. B 81, 205435 (2010).
15. Lebègue, S., Klintenberg, M., Eriksson, O. & Katsnelson, M. I. Accurate electronic band gap of pure and functionalized graphane from GW calculations. Phys. Rev. B 79, 245117 (2009).
16. Mashtalir, O. et al. Intercalation and delamination of layered carbides and carbonitrides. Nat. Commun. 4, 1716 (2013).
17. Lukatskaya, M. R. et al. Cation intercalation and high volumetric capacitance of two-dimensional titanium carbide. Science 341, 1502-1505 (2013).
18. Roushan, M., Zhang, X. & Li, J. Solution-processable white-light-emitting hybrid semiconductor bulk materials with high photoluminescence quantum efficiency. Angew. Chem. Int. Ed. 51, 436-439 (2012).
19. Dahn, J. R., Way, B. M., Fuller, E. & Tse, J. S. Structure of siloxene and layered polysilane (Si6H6). Phys. Rev. B 48, 17872-17877 (1993).
20. Okamoto, H. et al. Silicon nanosheets and their self-assembled regular stacking structure. J. Am. Chem. Soc. 132, 2710-2718 (2010).
21. Restrepo, O. D., Mishra, R., Goldberger, J. E. & Windl, W. Tunable gaps and enhanced mobilities in strain-engineered silicane. J. Appl. Phys. 115, 033711 (2014).
22. Nakano, H. et al. Preparation of alkyl-modified silicon nanosheets by hydrosilylation of layered polysilane (Si6H6). J. Am. Chem. Soc. 134, 5452-5455 (2012).
23. Van de Walle, C. G. & Northrup, J. E. First-principles investigation of visible light emission from silicon-based materials. Phys. Rev. Lett. 70, 1116-1119 (1993).
24. Vogg, G., Brandt, M. S. & Stutzmann, M. Polygermyne - a prototype system for layered germanium polymers. Adv. Mater. 12, 1278-1281 (2000).
25. Nemanick, E. J., Hurley, P. T., Brunschwig, B. S. & Lewis, N. S. Chemical and electrical passivation of silicon (111) surfaces through functionalization with sterically hindered alkyl groups. J. Phys. Chem. B 110, 14800-14808 (2006). (Pubitemid 44325058)
26. Knapp, D., Brunschwig, B. S. & Lewis, N. S. Chemical, electronic, and electrical properties of alkylated Ge(111) surfaces. J. Phys. Chem. C 114, 12300-12307 (2010).
27. Cardona, M. Vibrational spectra of hydrogen in silicon and germanium. Phys. Status Solidi B 118, 463-481 (1983). (Pubitemid 14455919)
28. Rivillon, S., Chabal, Y. J., Amy, F. & Kahn, A. Hydrogen passivation of germanium (100) surface using wet chemical preparation. Appl. Phys. Lett. 87, 253101 (2005).
29. Griffiths, J. E. Infrared spectra of methylgermane, methyl-d3-germane, and methylgermane-d3. J. Chem. Phys. 38, 2879-2891 (1963).
30. Knapp, D., Brunschwig, B. S. & Lewis, N. S. Transmission infrared spectra of CH3-, CD3-, and C10H21-Ge (111) surfaces. J. Phys. Chem. C 115, 16389-16397 (2011).
31. Heyd, J., Scuseria, G. E. & Ernzerhof, M. Hybrid functionals based on a screened Coulomb potential. J. Chem. Phys. 118, 8207-8215 (2003).
32. Heyd, J., Scuseria, G. E. & Ernzerhof, M. Erratum: 'Hybrid functionals based on a screened Coulomb potential'. J. Chem. Phys. 124, 219906 (2006).
33. J. Chem. Phys.118, 8207 (2003)
34. Paier, J. et al. Screened hybrid density functionals applied to solids. J. Chem. Phys. 124, 154709 (2006).
35. 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).
36. Eda, G. et al. Photoluminescence from chemically exfoliated MoS2. Nano Lett. 11, 5111-5116 (2011).
37. Splendiani, A. et al. Emerging photoluminescence in monolayer MoS2. Nano Lett. 10, 1271-1275 (2010).
38. Kresse, G. & Hafner, J. Ab initio molecular-dynamics simulation of the liquid-metal-amorphous-semiconductor transition in germanium. Phys. Rev. B 49, 14251-14269 (1994).
39. Kresse, G. & Hafner, J. Ab initio molecular dynamics for liquid metals. Phys. Rev. B 47, 558-561 (1993).
40. Blöchl, P. E. Projector augmented-wave method. Phys. Rev. B 50, 17953-17979 (1994).
41. Perdew, J. P., Burke, K. & Ernzerhof, M. Generalized gradient approximation made simple. Phys. Rev. Lett. 77, 3865-3868 (1996). (Pubitemid 126631804)
42. Perdew, J. P., Burke, K. & Ernzerhof, M. Generalized gradient approximation made simple. Phys. Rev. Lett. 78, 1396-1396 (1997).
43. Phys. Rev. Lett. 77, 3865 (1996)
44. Monkhorst, H. J. & Pack, J. D. Special points for Brillouin-zone integrations. Phys. Rev. B 13, 5188-5192 (1976).