Ultrafast supercontinuum spectroscopy of carrier multiplication and biexcitonic effects in excited states of PbS quantum dots

Nano Letters

Volumn 12, Issue 6, 2012, Pages 2658-2664

  Gesuele, F ^a   Sfeir, M Y ^b   Koh, W K ^c   Murray, C B ^c,d   Heinz, T F ^a   Wong, C W ^a  

^a Och Spine at New York Presbyterian Hospitals   (United States)

^b BROOKHAVEN NATIONAL LABORATORY   (United States)

^c UNIVERSITY OF PENNSYLVANIA   (United States)

^d UNIVERSITY OF PENNSYLVANIA   (United States)

Author keywords

carrier multiplication; Multiple exciton generation; solar cells; ultrafast spectroscopy

Indexed keywords

ABSORBED PHOTONS; BIEXCITONS; CARRIER MULTIPLICATION; EXCITONIC TRANSITION; MULTIPLE EXCITON; MULTIPLE-EXCITON GENERATION; PUMP PHOTONS; RED-SHIFTED; SINGLE EXCITONS; SUPERCONTINUUM; TRANSIENT ABSORPTION; TRANSIENT SPECTRA; ULTRA-FAST; ULTRAFAST SPECTROSCOPY;

BINDING ENERGY; BLEACHING; CLEANING; PHOTONS; POPULATION DYNAMICS; SEMICONDUCTING LEAD COMPOUNDS; SEMICONDUCTOR QUANTUM DOTS; SOLAR CELLS;

EXCITONS;

LEAD; LEAD SELENIDE; QUANTUM DOT; SELENIUM DERIVATIVE;

ARTICLE; CHEMICAL MODEL; CHEMISTRY; COMPUTER SIMULATION; ELECTRON TRANSPORT; ENERGY TRANSFER; MATERIALS TESTING; METHODOLOGY; SPECTROSCOPY; STATISTICAL MODEL;

COMPUTER SIMULATION; ELECTRON TRANSPORT; ENERGY TRANSFER; LEAD; MATERIALS TESTING; MODELS, CHEMICAL; MODELS, STATISTICAL; QUANTUM DOTS; SELENIUM COMPOUNDS; SPECTRUM ANALYSIS;

EID: 84860376702     PISSN: 15306984     EISSN: 15306992     Source Type: Journal    
DOI: 10.1021/nl2021224     Document Type: Article

References (47)

1. Nozik, A. J. Nanoscience and Nanostructures for Photovoltaics and Solar Fuels Nano Lett. 2010, 10, 2735
2. Beard, M. C.; Midgett, A. G.; Hanna, M. C.; Luther, J. M.; Hughes, B. K.; Nozik, A. J. Comparing Multiple Exciton Generation in Quantum Dots To Impact Ionization in Bulk Semiconductors: Implications for Enhancement of Solar Energy Conversion Nano Lett. 2010, 10, 3019
3. Franceschetti, A.; An, J. M.; Zunger, A. Impact Ionization Can Explain Carrier Multiplication in PbSe Nanocrystals Nano Lett. 2006, 6, 2191
4. Rabani, E.; Baer, R. Theory of multiexciton generation in semiconductor nanocrystals Chem. Phys. Lett. 2010, 496, 227
5. Timmerman, D.; Izeddin, I.; Stallinga, P.; Yassievich, I. N.; Gregorkiewicz, T. Space-separated quantum cutting with Si nanocrystals for photovoltaic applications Nat. Photonics 2008, 2, 105
6. Nozik, A. J. Exciton Multiplication and Relaxation dynamics in Nanocrystals: Applications to ultrahigh-Efficiency Solar Photon Conversion Inorg. Chem. 2005, 44, 6893
7. Shockley, W.; Queisser, H. J. Detailed Balance Limit of Efficiency of p-n Junction Solar Cells J. Appl. Phys. 1961, 32, 510
8. Shaller, R. D.; Klimov, V. I. High Efficient Carrier Multiplication in PbSe Nanocrystals: Implication for Solar Energy Conversion Phys. Rev. Lett. 2004, 32, 186601
9. Schaller, R. D.; Agranovich, V. M.; Klimov, V. I. High-efficiency carrier multiplication through direct photogeneration of multi-exciton via virtual single-exciton states Nat. Phys. 2005, 1, 189
10. Ellingson, R. J.; Beard, M. C.; Johnson, J. C.; Yu, P.; Micic, O. I.; Nozik, A. J.; Shabaev, A.; Efros, A. L. Highly Efficient Multiple Exciton Generation in Colloidal PbSe and PbS Nanocrystals Nano Lett. 2005, 5, 865
11. Schaller, R. D.; Sykora, M.; Pietryga, J. M.; Klimov, V. I. Seven Excitons at a Cost of One: Redefining the Limits for Conversion Efficiency of Photons into Charge Carriers Nano Lett. 2006, 6, 424-429
12. Trinh, M. T.; Houtepen, A. J.; Schins, J. M.; Hanrath, T.; Piris, J.; Knulst, W.; Goosens, A. P. L. M.; Siebbeles, L. D. A. In Spite of Recent Doubts Carrier Multiplication Does Occur in PbSe Nanocrystals Nano Lett. 2008, 8, 1713
13. Schaller, R. D.; Sykora, M.; Jeong, S.; Klimov, V. I. High-Efficiency Carrier Multiplication and Ultrafast Charge Separation in Semiconductor Nanocrystals Studied via Time-Resolved Photoluminescence J. Phys. Chem. B 2006, 110, 25332
14. Beard, M. C.; Midgett, A. G.; Law, M.; Semonin, O. E.; Ellingson, R. J.; Nozik, A. J. Variations in the Quantum Efficiency of Multiple Exciton Generation for a Series of Chemically Treated PbSe Nanocrystal Films Nano Lett. 2009, 9, 836
15. Sykora, M.; Koposov, A. Y.; McGuire, J. A.; Schulze, R. K.; Tretiak, O.; Pietryga, J. M.; Klimov, V. I. Effect of Air Exposure on Surface Properties, Electronic Structure and Carrier Relaxation in PbSe Nanocrystals ACS Nano 2010, 4, 2021
16. Luther, J. M.; Beard, M. C.; Song, Q.; Law, M.; Ellingson, R. J.; Nozik, A. J. Multiple Exciton Generation in Films of Electronically Coupled PbSe Quantum Dots Nano Lett. 2007, 7 (6) 1779-1784 (Pubitemid 47140460)
17. Sukhovatkin, V.; Hinds, S.; Brzozowski, L.; Sargent, E. H. Colloidal quantum-dot photodetectors exploiting multiexciton generation Science 2009, 324, 1542
18. Sambur, J. B.; Novet, T.; Parkinson, B. A. Multiple exciton collection in a sensitized photovoltaic system Science 2010, 330, 63
19. Beard, M. C.; Turner, G. M.; Schmuttenmaer, C. A. Terahertz Spectroscopy J. Phys. Chem. B 2002, 106, 7146-7159 (Pubitemid 35383038)
20. Pijpers, J. J. H.; Ulbricht, R.; Tielrooij, K. J.; Osherov, A.; Golan, Y.; Delerue, C.; Allan, G.; Bonn, M. Assessment of carrier-multiplication efficiency in bulk PbSe and PbS Nat. Phys. 2009, 5, 811-814
21. Nair, G.; Geyer, S. M.; Chang, L. Y.; Bawendi, M. G. Carrier multiplication yields in PbS and PbSe nanocrystals measured by transient photoluminescence Phys. Rev. B 2008, 78, 125325
22. McGuire, J. A.; Joo, J.; Pietryga, J. M.; Schaller, R. D.; Klimov, V. I. New aspects of carrier multiplication in semiconductor nanocrystals Acc. Chem. Res. 2008, 41, 1810
23. Beard, M. C.; Ellingson, R. J. Multiple exciton generation in semiconductor nanocrystals: Toward efficient solar energy conversion Laser Photon. Rev. 2008, 2 (5) 377-399
24. Klimov, V. I.; McBranch, D. W. Femtosecond high-sensitivity, chirp-free transient absorption spectroscopy using kilohertz lasers Opt. Lett. 1998, 23, 277
25. Peterson, J. J.; Krauss, T. D. Fluorescence Spectroscopy of Single Lead Sulfide Quantum Dots Nano Lett. 2006, 6, 510
26. Bose, R.; Gao, J.; Sun, F. W.; McMillan, J. F.; Williams, A. D.; Wong, C. W. Cryogenic spectroscopy of ultra-low density colloidal lead chalcogenide quantum dots on chip-scale optical cavities towards single quantum dot near-infrared cavity QED Opt. Express 2009, 17, 22474
27. Ji, M.; Park, S.; Connor, S. T.; Mokari, T.; Cui, Y.; Gaffney, K. J. Efficient Multiple Exciton Generation Observed in Colloidal PbSe Quantum Dots with Temporally and Spectrally Resolved Intraband Excitation Nano Lett. 2009, 9, 1217
28. 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
29. Murray, C. B.; Sun, S.; Gaschler, W.; Doyle, H.; Betley, T. A.; Kagan, C. R. Colloidal synthesis of nanocrystals and nanocrystal superlattices IBM J. Res. Dev. 2001, 45, 47
30. Nootz, G.; Padilha, L. A.; Olszak, P. D.; Webster, S.; Hagan, D. J.; Van Stryland, E. W.; Levina, L.; Sukhovatkin, V.; Brzozowski, L.; Sargent, E. H. Role of Symmetry Breaking on the Optical Transitions in Lead-Salt Quantum Dots Nano Lett. 2010, 10, 3577
31. 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
32. 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
33. Schins, J. M.; Trinh, M. T.; Houtepen, A. J.; Siebbeles, L. D. A. Probing formally forbidden optical transitions in PbSe nanocrystals by time- and energy-resolved transient absorption spectroscopy Phys. Rev. B 2009, 80, 035323
34. Wehrenberg, B. L.; Wang, C.; Guyot-Sionnest, P. Interband and Intraband Optical Studies of PbSe Colloidal Quantum Dots J. Phys. Chem. B 2002, 106, 10634
35. Kang, I.; Wise, F. W. Electronic structure and optical properties of PbS and PbSe quantum dots J. Opt. Soc. Am. B 1997, 14, 1632
36. Andreev, A. D.; Lipovskii, A. A. Anisotropy-induced optical transitions in PbSe and PbS spherical quantum dots Phys. Rev. B 1999, 59, 15402
37. Liljeroth, P.; Zeijlmans van Emmichoven, P. A.; Hickey, S. G.; Weller, H.; Grandidier, B.; Allan, G.; Vanmaekelbergh, D. Density of States Measured by Scanning-Tunneling Spectroscopy Sheds New Light on the Optical Transitions in PbSe Nanocrystals Phys. Rev. Lett. 2005, 95, 086801
38. McGuire, J. A.; Sykora, M.; Joo, J.; Pietryga, J. M.; Klimov, V. I. Apparent Versus True Carrier Multiplication Yields in Semiconductor Nanocrystals Nano Lett. 2010, 10, 2049
39. Klimov, V. I. Spectral and Dynamical properties of multiexcitons in semiconductor nanocrystals Annu. Rev. Phys. Chem. 2007, 58, 635
40. Moreels, I.; Lambert, K.; Smeets, D.; Muynck, D. D.; Nollet, T.; Martins, J. C.; Vanhaecke, F.; Vantomme, A.; Delerue, C.; Allan, G.; Hens, Z. Size-Dependent Optical Properties of Colloidal PbS Quantum Dots ACS Nano 2009, 3, 3023
41. Bose, R.; McMillan, J. F.; Gao, J.; Chen, C. J.; Talapin, D. V.; Murray, C. B.; Rickey, K. M.; Wong, C. W. Temperature-Tuning of near-Infrared (1.5-um) Monodisperse Quantum Dot Solids toward Controllable Förster Energy Transfer Nano Lett. 2008, 8, 2006
42. Sfeir, M. Y.; Qian, H.; Nobusada, K.; Jin, R. Ultrafast Relaxation Dynamics of Rod-Shaped 25-Atom Gold Nanoclusters J. Phys. Chem. C 2011, 115, 6200-6207
43. Henry, E. R.;; Hofrichter, J. Methods in Enzymology; Academic Press Inc.: New York, 1992; Vol. 210, Chapter 8.
44. 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
45. Piryatinski, A.; Ivanov, S. A.; Tretiak, S.; Klimov, V. I. Effect of Quantum and Dielectric Confinement on the Exciton-Exciton Interaction Energy in Type-II Core/Shell Semiconductor Nanocrystals Nano Lett. 2007, 7, 108
46. Efros, A. L.; Rodina, A. V. Confined excitons, trions, and biexcitons in semiconductor microcrystals Solid State Commun. 1989, 72, 645
47. Kambhampati, P. Unraveling the Structure and Dynamics of Excitons in Semiconductor Quantum Dots Acc. Chem. Res. 2011, 44 (1) 1-13