Strong electronic coupling in two-dimensional assemblies of colloidal PbSe quantum dots

ACS Nano

Volumn 3, Issue 6, 2009, Pages 1532-1538

  Williams, Kenrick J ^a   Tisdale, William A ^a   Leschkies, Kurtis S ^a   Haugstad, Greg ^b   Norris, David J ^a   Aydil, Eray S ^a   Zhu, X Y ^a  

^a University of Minnesota   (United States)

^b UNIVERSITY OF MINNESOTA   (United States)

Author keywords

Electronic coupling; Nanocrystal; PbSe; Quantum dot solid; Two dimensional

Indexed keywords

CHARGE TRANSPORT; CHEMICAL TREATMENTS; ELECTRONIC CHANGES; ELECTRONIC COUPLING; ELECTRONIC DEVICE; ENERGY SINKS; EXCHANGE COUPLING ENERGY; GEOMETRIC FRUSTRATION; HIGH CARRIER MOBILITY; OPTICAL SPECTROSCOPY; ORDER OF MAGNITUDE; PBSE; POWERFUL SYSTEMS; QUANTUM DOT; QUANTUM DOT ARRAYS; QUANTUM DOT ASSEMBLIES; QUANTUM DOT SOLID; SMALL MOLECULES; SUBMONOLAYER; SURFACE LIGANDS; TWO-DIMENSIONAL ASSEMBLIES;

ATOMIC FORCE MICROSCOPY; ATOMIC SPECTROSCOPY; CARRIER MOBILITY; HYDRAZINE; NANOCRYSTALS; OPTICAL MICROSCOPY; OPTICAL WAVEGUIDES; QUANTUM CHEMISTRY; TWO DIMENSIONAL;

SEMICONDUCTOR QUANTUM DOTS;

EID: 67651208910     PISSN: 19360851     EISSN: 1936086X     Source Type: Journal    
DOI: 10.1021/nn9001819     Document Type: Article

References (28)

1. Murray, C. B.; Kagan, C. R.; Bawendi, M. G. Synthesis and Characterization of Monodisperse Nanocrystals and Close-Packed Nanocrystal Assemblies. Annu. Rev. Mater. Sci. 2000, 30, 545-610.
2. Murray, C. B.; Norris, D. J.; Bawendi, M. G. Synthesis and Characterization of Nearly Monodisperse CdE (E = Sulfur, Selenium, Tellurium) Semiconductor Nanocrystallites. J. Am. Chem. Soc. 1993, 115, 8706-8715.
3. Murray, C. B.; Kagan, C. R.; Bawendi, M. G. Self-Organization of CdSe Nanocrystallites into Three-Dimensional Quantum Dot Superlattices. Science 1995, 270, 1335-1338.
4. Shevchenko, E. V.; Talapin, D. V.; Kotov, N. A.; O'Brien, S.; Murray, C. B. Structural Diversity in Binary Nanoparticle Superlattices. Nature 2006, 439, 55-59.
5. Ginger, D. S.; Greenham, N. C. Charge Injection and Transport in Films of CdSe Nanocrystals. J. Appl. Phys. 2000, 87, 1361-1368.
6. Leatherdale, C. A.; Kagan, C. R.; Morgan, N. Y.; Empedocles, S. A.; Kastner, M. A.; Bawendi, M. G. Photoconductivity in CdSe Quantum Dot Solids. Phys. Rev. B 2000, 62, 2669-2680.
7. Morgan, N. Y.; Leatherdale, C. A.; Drndić, M.; Jarosz, M. V.; Kastner, M. A.; Bawendi, M. G. Electronic Transport in Films of Colloidal CdSe Nanocrystals. Phys. Rev. B 2002, 66, 075339.
8. Drndić, M.; Jarosz, M. V.; Morgan, N. Y.; Kastner, M. A.; Bawendi, M. G. Transport Properties of Annealed CdSe Colloidal Nanocrystal Solids. J. Appl. Phys. 2002, 92, 7498-7503.
9. Houtepen, A. J.; Kockmann, D.; Vanmaekelbergh, D. Reappraisal of Variable-Range Hopping in Quantum-Dot Solids. Nano Lett. 2008, 8, 3516-3520.
10. Mentzel, T. S.; Porter, V. J.; Geyer, S.; MacLean, K.; Bawendi, M. G.; Kastner, M. A. Charge Transport in PbSe Nanocrystal Arrays. Phys. Rev. B 2008, 77, 075316.
11. Artemyev, M. V.; Woggon, U.; Jaschinski, H.; Gurinovich, L. I.; Gaponenko, S. V. Spectroscopic Study of Electronic States in an Ensemble of Close-Packed CdSe Nanocrystals. J. Phys. Chem. B 2000, 104, 11617-11621.
12. Kim, D. I.; Islam, M. A.; Avila, L.; Herman, I. P. Contribution of the Loss of Nanocrystal Ligands to Interdot Coupling in Films of Small CdSe/1-Thioglycerol Nanocrystals. J. Phys. Chem. B 2003, 107, 6318-6323.
13. Warner, J. H. Self-Assembly of Ligand-Free PbS Nanocrystals into Nanorods and Their Nanosculpturing by Electron-Beam Irradiation. Adv. Mater. 2008, 20, 784-787.
14. Arachchige, I. U.; Brock, S. L. Sol-Gel Assembly of CdSe Nanoparticles to Form Porous Aerogel Networks. J. Am. Chem. Soc. 2006, 128, 7964-7971.
15. Liljeroth, P.; Overgaag, K.; Urbieta, A.; Grandidier, B.; Hickey, S. G.; Vanmaekelbergh, D. Variable Orbital Coupling in a Two-Dimensional Quantum-Dot Solid Probed on a Local Scale. Phsy. Rev. Lett. 2006, 97, 096803.
16. Yu, D.; Wang, C.; Guyot-Sionnest, P. n-Type Conducting CdSe Nanocrystal Solids. Science 2003, 300, 1277-1280.
17. Talapin, D. V.; Murray, C. B. PbSe Nanocrystal Solids for N-and P-Channel Thin Film Field-Effect Transistors. Science 2005, 310, 86-89.
18. Law, M.; Luther, J. M.; Song, Q.; Hughes, B. K.; Perkins, C. J.; Nozik, A. J. Structural, Optical, and Electrical Properties of PbSe Nanocrystal Solids Treated Thermally or with Simple Amines. J. Am. Chem. Soc. 2008, 130, 5974-5985.
19. Luther, J. M.; Law, M.; Song, Q.; Perkins, C. J.; Beard, M. C.; Nozik, A. J. Structural, Optical, and Electrical Properties of Self-Assembled Films Of PbSe Nanocrystals Treated with 1,2-Ethanedithiol. ACS Nano 2008, 2, 271-280.
20. Luther, J. M.; Law, M.; Beard, M. C.; Song, Q.; Reese, M. O.; Ellingson, R. J.; Nozik, A. J. Schottky Solar Cells Based on Colloidal Nanocrystal Films. Nano Lett. 2008, 8, 3488-3492.
21. Koleilat, G. I.; Levina, L.; Shukla, H.; Myrskog, S. H.; Hinds, S.; Pattantyus-Abraham, G.; Sargent, E. H. Efficient, Stable Infrared Photovoltaics Based on Solution-Cast Colloidal Quantum Dots. ACS Nano 2008, 2, 833-840.
22. Tang, Z.; Kotov, N. A.; Giersig, M. Spontaneous Organization of Single CdTe Nanoparticles into Luminescent Nanowires. Science 2002, 297, 237-240.
23. Tang, Z.; Zhang, Z.; Wang, Y.; Glotzer, S. C.; Kotov, N. A. Self-Assembly of CdTe Nanocrystals into Free-Floating Sheets. Science 2006, 314, 274-278.
24. Wise, F. W. Lead Salt Quantum Dots: The Limit of Strong Quantum Confinement. Acc. Chem. Res. 2000, 33, 773-780.
25. Gersten, J. I.; Smith, F. W. The Physics and Chemistry of Materials; Wiley: New York, 2001; p 209.
26. Murphy, J. E.; Beard, M. C.; Nozik, A. J. Time-Resolved Photoconductivity of PbSe Nanocrystal Arrays. J. Phys. Chem. B 2006, 110, 25455-25461.
27. Lu, Y.; Jaeckel, B.; Parkinson, B. A. Preparation and Characterization of Terraced Surfaces of Low-Index Faces of Anatase, Rutile, and Brookite. Langmuir 2006, 22, 4472-4475.
28. Garcia, R; Perez, R. Dynamic Atomic Force Microscopy Methods. Surf. Sci. Rep. 2002, 47, 197-301.