Coulomb shifts upon exciton addition to photoexcited PbS colloidal quantum Dots

Journal of Physical Chemistry C

Volumn 118, Issue 38, 2014, Pages 22284-22290

  Geiregat, Pieter ^a   Houtepen, Arjan ^a,b   Justo, Yolanda ^a   Grozema, Ferdinand C ^b   Van Thourhout, Dries ^a   Hens, Zeger ^a  

^a GHENT UNIVERSITY   (Belgium)

^b DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

ABSORPTION SPECTROSCOPY; COULOMB INTERACTIONS; EXCITONS;

DIFFERENT SIZES; ELECTRON HOLE PAIRS; EXCITON ENERGIES; OPTOELECTRONIC PROPERTIES; PBS COLLOIDAL QUANTUM DOTS; PBS QUANTUM DOTS; TRANSIENT ABSORPTION; TRANSIENT ABSORPTION SPECTRA;

SEMICONDUCTOR QUANTUM DOTS;

EID: 84949114893     PISSN: 19327447     EISSN: 19327455     Source Type: Journal    
DOI: 10.1021/jp505530k     Document Type: Article

References (26)

1. Talapin, D. V.; Lee, J.-S.; Kovalenko, M. V.; Shevchenko, E. V. Prospects of Colloidal Nanocrystals for Electronic and Optoelectronic Applications Chem. Rev. 2010, 110, 389-458
2. Beard, M. C.; Luther, J. M.; Semonin, O. E.; Nozik, A. J. Third Generation Photovoltaics Based on Multiple Exciton Generation in Quantum Confined Semiconductors Acc. Chem. Res. 2013, 46, 1252-1260
3. McDonald, S. A.; Konstantatos, G.; Zhang, S.; Cyr, P. W.; Klem, E. J. D.; Levina, L.; Sargent, E. H. Solution-Processed PbS Quantum Dot Infrared Photodetectors and Photovoltaics Nat. Mater. 2005, 4, 138-42
4. Clifford, J. P.; Konstantatos, G.; Johnston, K. W.; Hoogland, S.; Levina, L.; Sargent, E. H. Fast, Sensitive and Spectrally Tuneable Colloidal Quantum-Dot Photodetectors Nat. Nanotechnol. 2009, 4, 40-44
5. Cho, K.-S.; Lee, E. K.; Joo, W.-J.; Jang, E.; Kim, T.-H.; Lee, S. J.; Kwon, S.-J.; Han, J. Y.; Kim, B.-K.; Choi, B. L. High-Performance Crosslinked Colloidal Quantum-Dot Light-Emitting Diodes Nat. Photonics 2009, 3, 2-6
6. Gdor, I.; Sachs, H.; Roitblat, A.; Strasfeld, D. B.; Bawendi, M. G.; Ruhman, S. Exploring Exciton Relaxation and Multiexciton Generation in PbSe Nanocrystals Using Hyperspectral Near-IR Probing ACS Nano 2012, 6, 3269-3277
7. Aerts, M.; Suchand Sandeep, C. S.; Gao, Y.; Savenije, T. J.; Schins, J. M.; Houtepen, A. J.; Kinge, S. S.; Siebbeles, L. D. Free Charges Produced by Carrier Multiplication in Strongly-Coupled PbSe Quantum Dot Films Nano Lett. 2011, 11, 4485-4489
8. Sandeep, C. S. S.; Cate, S. T.; Schins, J. M.; Savenije, T. J.; Liu, Y.; Law, M.; Kinge, S.; Houtepen, A. J.; Siebbeles, L. D. A. High Charge-Carrier Mobility Enables Exploitation of Carrier Multiplication in Quantum-Dot Films Nat. Commun. 2013, 4, 1-6
9. Mahler, B.; Spinicelli, P.; Buil, S.; Quelin, X.; Hermier, J.-P.; Dubertret, B. Towards Non-Blinking Colloidal Quantum Dots Nat. Mater. 2008, 7, 659-664
10. Garca-Santamara, F.; Chen, Y.; Vela, J.; Schaller, R. D.; Hollingsworth, J. A.; Klimov, V. I. Suppressed Auger Recombination in "Giant" Nanocrystals Boosts Optical Gain Performance Nano Lett. 2009, 9, 3482-8
11. De Geyter, B.; Houtepen, A. J.; Carrillo, S.; Geiregat, P.; Gao, Y.; Ten Cate, S.; Schins, J. M.; Van Thourhout, D.; Delerue, C.; Siebbeles, L. D. A. Broadband and Picosecond Intraband Absorption in Lead-Based Colloidal Quantum Dots ACS Nano 2012, 6, 6067-6074
12. Gao, Y.; Suchand Sandeep, C. S.; Schins, J. M.; Houtepen, A. J.; Siebbeles, L. D. A. Disorder Strongly Enhances Auger Recombination in Conductive Quantum-Dot Solids Nat. Commun. 2013, 4, 2329
13. Klimov, V. I.; Ivanov, S. A.; Nanda, J.; Achermann, M.; Bezel, I.; McGuire, J. A.; Piryatinski, A. Single-Exciton Optical Gain in Semiconductor Nanocrystals Nature 2007, 447, 441-6
14. Trinh, M. T.; Houtepen, A. J.; Schins, J. M.; Piris, J.; Siebbeles, L. D. A. Nature of the Second Optical Transition in PbSe Nanocrystals Nano Lett. 2008, 8, 2112-7
15. Gesuele, F.; Sfeir, M. Y.; Koh, W.-K.; Murray, C. B.; Heinz, T. F.; Wong, C. W. Ultrafast Supercontinuum Spectroscopy of Carrier Multiplication and Biexcitonic Effects in Excited States of PbS Quantum Dots Nano Lett. 2012, 12, 2658-64
16. Witzel, W.; Shabaev, A.; Hellberg, C.; Jacobs, V.; Efros, A. Quantum Simulation of Multiple-Exciton Generation in a Nanocrystal by a Single Photon Phys. Rev. Lett. 2010, 105, 1-4
17. Tisdale, W. A.; Williams, K. J.; Timp, B. a.; Norris, D. J.; Aydil, E. S.; Zhu, X.-Y. Hot-Electron Transfer from Semiconductor Nanocrystals Science 2010, 328, 1543-1547
18. Gdor, I.; Yang, C.; Yanover, D.; Sachs, H.; Lifshitz, E.; Ruhman, S. Novel Spectral Decay Dynamics of Hot Excitons in PbSe Nanocrystals: A Tunable Femtosecond PumpHy-perspectral Probe Study J. Phys. Chem. C 2013, 117, 26342-26350
19. Cho, B.; Peters, W. K.; Hill, R. J.; Courtney, T. L.; Jonas, D. M. Bulklike Hot Carrier Dynamics in Lead-Sulfide Quantum Dots Nano Lett. 2010, 10, 2498-505
20. Trinh, M. T.; Sfeir, M. Y.; Choi, J. J.; Owen, J. S.; Zhu, X. A Hot Electron-Hole Pair Breaks the Symmetry of a Semiconductor Quantum Dot Nano Lett. 2013, 13, 6091-7
21. Franceschetti, A.; Zunger, A. Addition Energies and Quasiparticle Gap of CdSe Nanocrystals Appl. Phys. Lett. 2000, 76, 1731
22. An, J. M.; Franceschetti, A.; Zunger, A. The Excitonic Exchange Splitting and Radiative Lifetime in PbSe Quantum Dots Nano Lett. 2007, 7, 2129-2135
23. Cademartiri, L.; Montanari, E.; Calestani, G.; Migliori, A.; Guagliardi, A.; Ozin, G. A. Size-Dependent Extinction Coefficients of PbS Quantum Dots J. Am. Chem. Soc. 2006, 128, 10337-46
24. Moreels, I.; Justo, Y.; De Geyter, B.; Haustraete, K.; Martins, J. C.; Hens, Z. Size-Tunable, Bright and Stable PbS Quantum Dots: A Surface Chemistry Study ACS Nano 2011, 5, 2004-2012
25. Klimov, V. I. Quantization of Multiparticle Auger Rates in Semiconductor Quantum Dots Science 2000, 287, 1011-1013
26. Justo, Y.; Geiregat, P.; Hoecke, K. V.; Vanhaecke, F.; Donega, C. D. M.; Hens, Z. Optical Properties of PbS/CdS Core/Shell Quantum Dots J. Phys. Chem. C 2013, 117, 20171-20177