Band-edge exciton fine structure of small, nearly spherical colloidal CdSe/ZnS quantum dots

ACS Nano

Volumn 5, Issue 10, 2011, Pages 8033-8039

  Moreels, Iwan ^a,b   Rainò, Gabriele ^a   Gomes, Raquel ^b   Hens, Zeger ^b   Stöferle, Thilo ^a   Mahrt, Rainer F ^a  

^a IBM RESEARCH ZURICH   (Switzerland)

^b GHENT UNIVERSITY   (Belgium)

Author keywords

cadmium chalcogenide; II VI quantum dots; optical properties; semiconductor nanocrystals

Indexed keywords

ANISOTROPY; ASPECT RATIO; ATOMIC PHYSICS; CADMIUM COMPOUNDS; EXCITONS; HIGH RESOLUTION TRANSMISSION ELECTRON MICROSCOPY; II-VI SEMICONDUCTORS; NANOCRYSTALS; OPTICAL PROPERTIES; PHOTOLUMINESCENCE SPECTROSCOPY; SELENIUM COMPOUNDS; SEMICONDUCTOR QUANTUM DOTS; SPHERES; TRANSMISSION ELECTRON MICROSCOPY; ZINC SULFIDE;

CADMIUM CHALCOGENIDES; CDSE/ZNS QUANTUM DOTS; EFFECTIVE MASS APPROXIMATION; ENERGY LEVEL SPLITTING; EXCITON FINE STRUCTURE; II-VI QUANTUM DOTS; SEMICONDUCTOR NANOCRYSTALS; THEORETICAL CALCULATIONS;

CRYSTAL STRUCTURE;

CADMIUM DERIVATIVE; CADMIUM SELENIDE; QUANTUM DOT; SELENIUM DERIVATIVE; SULFIDE; ZINC DERIVATIVE; ZINC SULFIDE;

ANISOTROPY; ARTICLE; CHEMISTRY; COLLOID; LUMINESCENCE; PARTICLE SIZE; TEMPERATURE;

ANISOTROPY; CADMIUM COMPOUNDS; COLLOIDS; LUMINESCENT MEASUREMENTS; PARTICLE SIZE; QUANTUM DOTS; SELENIUM COMPOUNDS; SULFIDES; TEMPERATURE; ZINC COMPOUNDS;

EID: 80054968968     PISSN: 19360851     EISSN: 1936086X     Source Type: Journal    
DOI: 10.1021/nn202604z     Document Type: Article

References (32)

1. Michalet, X.; Pinaud, F. F.; Bentolila, L. A.; Tsay, J. M.; Doose, S.; Li, J. J.; Sundaresan, G.; Wu, A. M.; Gambhir, S. S.; Weiss, S. Quantum Dots for Live Cells, in Vivo Imaging, and Diagnostics Science 2005, 307, 538-544 (Pubitemid 40165671)
2. Gill, R.; Zayats, M.; Willner, I. Semiconductor Quantum Dots for Bioanalysis Angew. Chem., Int. Ed. 2008, 47, 7602-7625
3. Rogach, A. L.; Gaponik, N.; Lupton, J. M.; Bertoni, C.; Gallardo, D. E.; Dunn, S.; Pira, N. L.; Paderi, M.; Repetto, P.; Romanov, S. G. et al. Light-Emitting Diodes with Semiconductor Nanocrystals Angew. Chem., Int. Ed. 2008, 47, 6538-6549
4. Anikeeva, P. O.; Halpert, J. E.; Bawendi, M. G.; Bulović, V. Quantum Dot Light-Emitting Devices with Electroluminescence Tunable over the Entire Visible Spectrum Nano Lett. 2009, 9, 2532-2536
5. Eisler, H. J.; Sundar, V. C.; Bawendi, M. G.; Walsh, M.; Smith, H. I.; Klimov, V. Color-Selective Semiconductor Nanocrystal Laser Appl. Phys. Lett. 2002, 80, 4614-4616
6. Zavelani-Rossi, M.; Lupo, M. G.; Krahne, R.; Manna, L.; Lanzani, G. Lasing in Self-Assembled Microcavities of CdSe/CdS Core/Shell Colloidal Quantum Rods Nanoscale 2010, 2, 931-935
7. Brokmann, X.; Giacobino, E.; Dahan, M.; Hermier, J. P. Highly Efficient Triggered Emission of Single Photons by Colloidal CdSe/ZnS Nanocrystals Appl. Phys. Lett. 2004, 85, 712-714
8. Mahler, B.; Spinicelli, P.; Buil, S.; Quelin, X.; Hermier, J.; Dubertret, B. Towards Non-Blinking Colloidal Quantum Dots Nat. Mater. 2008, 7, 659-664
9. Brovelli, S.; Schaller, R.; Crooker, S.; García-Santamaría, F.; Chen, Y.; Viswanatha, R.; Hollingsworth, J.; Htoon, H.; Klimov, V. Nano-Engineered Electron.Hole Exchange Interaction Controls Exciton Dynamics in Core.Shell Semiconductor Nanocrystals Nat. Commun. 2011, 2, 280
10. Labeau, O.; Tamarat, P.; Lounis, B. Temperature Dependence of the Luminescence Lifetime of Single CdSe/ZnS Quantum Dots Phys. Rev. Lett. 2003, 90, 257404
11. de Mello Donegá, C.; Bode, M.; Meijerink, A. Size- and Temperature-Dependence of Exciton Lifetimes in CdSe Quantum Dots Phys. Rev. B 2006, 74, 085320
12. Biadala, L.; Louyer, Y.; Tamarat, P.; Lounis, B. Direct Observation of the Two Lowest Exciton Zero-Phonon Lines in Single CdSe/ZnS Nanocrystals Phys. Rev. Lett. 2009, 103, 037404
13. Fernée, M. J.; Littleton, B. N.; Rubinsztein-Dunlop, H. Detection of Bright Trion States Using the Fine Structure Emission of Single CdSe/ZnS Colloidal Quantum Dots ACS Nano 2009, 3, 3762-3768
14. Oron, D.; Aharoni, A.; de Mello Donegá, C.; van Rijssel, J.; Meijerink, A.; Banin, U. Universal Role of Discrete Acoustic Phonons in the Low-Temperature Optical Emission of Colloidal Quantum Dots Phys. Rev. Lett. 2009, 102, 177402
15. Efros, A. L.; Rosen, M.; Kuno, M.; Nirmal, M.; Norris, D. J.; Bawendi, M. Band-Edge Exciton in Quantum Dots of Semiconductors with a Degenerate Valence Band: Dark and Bright Exciton States Phys. Rev. B 1996, 54, 4843-4856
16. Johnston-Halperin, E.; Awschalom, D. D.; Crooker, S. A.; Efros, A. L.; Rosen, M.; Peng, X.; Alivisatos, A. P. Spin Spectroscopy of Dark Excitons in CdSe Quantum Dots to 60 T Phys. Rev. B 2001, 63, 205309
17. Furis, M.; Hollingsworth, J. A.; Klimov, V. I.; Crooker, S. A. Time- and Polarization-Resolved Optical Spectroscopy of Colloidal CdSe Nanocrystal Quantum Dots in High Magnetic Fields J. Phys. Chem. B 2005, 109, 15332-15338 (Pubitemid 41260778)
18. Wong, C. Y.; Kim, J.; Nair, P. S.; Nagy, M. C.; Scholes, G. D. Relaxation in the Exciton Fine Structure of Semiconductor Nanocrystals J. Phys. Chem. C 2009, 113, 795-811
19. Liptay, T. J.; Marshall, L. F.; Rao, P. S.; Ram, R. J.; Bawendi, M. G. Anomalous Stokes Shift in CdSe Nanocrystals Phys. Rev. B 2007, 76, 155314
20. Le Thomas, N.; Herz, E.; Schöps, O.; Woggon, U.; Artemyev, M. V. Exciton Fine Structure in Single CdSe Nanorods Phys. Rev. Lett. 2005, 94, 016803
21. Zhao, Q.; Graf, P. A.; Jones, W. B.; Franceschetti, A.; Li, J.; Wang; Kim, K. Shape Dependence of Band-Edge Exciton Fine Structure in CdSe Nanocrystals Nano Lett. 2007, 7, 3274-3280 (Pubitemid 350216015)
22. 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
23. Shiang, J. J.; Kadavanich, A. V.; Grubbs, R. K.; Alivisatos, A. P. Symmetry of Annealed Wurtzite CdSe Nanocrystals: Assignment to the C3v Point Group J. Phys. Chem. 1995, 99, 17417-17422
24. Capek, R. K.; Lambert, K.; Dorfs, D.; Smet, P. F.; Poelman, D.; Eychmuller, A.; Hens, Z. Synthesis of Extremely Small CdSe and Bright Blue Luminescent CdSe/ZnS Nanoparticles by a Prefocused Hot-Injection Approach Chem. Mater. 2009, 21, 1743-1749
25. Jones, M.; Lo, S. S.; Scholes, G. D. Signatures of Exciton Dynamics and Carrier Trapping in the Time-Resolved Photoluminescence of Colloidal CdSe Nanocrystals J. Phys. Chem. C 2009, 113, 18632-18642
26. Louyer, Y.; Biadala, L.; Tamarat, P.; Lounis, B. Spectroscopy of Neutral and Charged Exciton States in Single CdSe/ZnS Nanocrystals Appl. Phys. Lett. 2010, 96, 203111
27. Norris, D. J.; Bawendi, M. G. Measurement and Assignment of the Size-Dependent Optical Spectrum in CdSe Quantum Dots Phys. Rev. B 1996, 53, 16338-16346
28. Hopfield, J. J. Exciton States and Band Structure in CdS and CdSe J. Appl. Phys. 1961, 32, 2277-2281
29. Kim, Y. D.; Klein, M. V.; Ren, S. F.; Chang, Y. C.; Luo, H.; Samarth, N.; Furdyna, J. K. Optical Properties of Zinc-Blende CdSe and ZnxCd1-xSe Films Grown on GaAs Phys. Rev. B 1994, 49, 7262-7270
30. Kiselev, V. A.; Razbirin, B. S.; Uraltsev, I. N. Additional Waves and Fabry-Perot Interference of Photoexcitons (Polaritons) in Thin II-VI Crystals Phys. Status Solidi B 1975, 72, 161-172
31. Fu, H.; Wang, L.; Zunger, A. Excitonic Exchange Splitting in Bulk Semiconductors Phys. Rev. B 1999, 59, 5568-5574
32. Carbone, L.; Nobile, C.; Giorgi, M. D.; Sala, F. D.; Morello, G.; Pompa, P.; Hytch, M.; Snoeck, E.; Fiore, A.; Franchini, I. R.; Nadasan, M.; Silvestre, A. F.; Chiodo, L.; Kudera, S.; Cingolani, R. et al. Synthesis and Micrometer-Scale Assembly of Colloidal CdSe/CdS Nanorods Prepared by a Seeded Growth Approach Nano Lett. 2007, 7, 2942-2950 (Pubitemid 350132910)