Generation of multiple excitons in Ag2S quantum dots: Single high-energy versus multiple-photon excitation

Journal of Physical Chemistry Letters

Volumn 5, Issue 4, 2014, Pages 659-665

  Sun, Jingya ^a   Yu, Weili ^a   Usman, Anwar ^a   Isimjan, Tayirjan T ^a   Dgobbo, Silvano ^a   Alarousu, Erkki ^a   Takanabe, Kazuhiro ^a   Mohammed, Omar F ^a  

^a KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Saudi Arabia)

Author keywords

Ag2S quantum dots; Auger recombination; exciton multiplication; femtosecond broad band transient spectroscopy

Indexed keywords

EID: 84894599834     PISSN: None     EISSN: 19487185     Source Type: Journal    
DOI: 10.1021/jz5000512     Document Type: Article

References (54)

1. Nozik, A. J. Quantum Dot Solar Cells Phys. E 2002, 14, 115-120
2. Kamat, P. V.; Tvrdy, K.; Baker, D. R.; Radich, J. G. Beyond Photovoltaics: Semiconductor Nanoarchitectures for Liquid-Junction Solar Cells Chem. Rev. 2010, 110, 6664-6688
3. Kamat, P. V. Quantum Dot Solar Cells. The Next Big Thing in Photovoltaics J. Phys. Chem. Lett. 2013, 4, 908-918
4. Yu, W. W.; Qu, L.; Guo, W.; Peng, X. Experimental Determination of the Extinction Coefficient of CdTe, CdSe, and CdS Nanocrystals Chem. Mater. 2003, 15, 2854-2860
5. Kamat, P. V. Quantum Dot Solar Cells. Semiconductor Nanocrystals as Light Harvesters J. Phys. Chem. Lett. C 2008, 112, 18737-18753
6. Shockley, W.; Queisser, H. J. Detailed Balance Limit of Efficiency of pn Junction Solar Cells J. Appl. Phys. 1961, 32, 510-519
7. Kolodinski, S.; Werner, J. H.; Wittchen, T.; Queisser, H. J. Quantum Efficiencies Exceeding Unity Due to Impact Ionization in Silicon Solar Cells Appl. Phys. Lett. 1993, 63, 2405-2407
8. x Alloys J. Appl. Phys. 1998, 83, 4213-4221
9. Landsberg, P. T. Recombination in Semiconductors; Cambridge University Press: Cambridge, U.K., 1991.
10. Schaller, R. D.; Agranovich, V. M.; Klimov, V. I. High-Efficiency Carrier Multiplication through Direct Photogeneration of Multi-Excitons via Virtual Single-Exciton States Nat. Phys. 2005, 1, 189-194
11. Pijpers, J. J. H.; Ulbricht, R.; Tielrooij, K. J.; Osherov, A.; Golan, T.; Delerue, C.; Allan, G.; Bonn, M. Assessment of Carrier-Multiplication Efficiency in Bulk PbSe and PbS Nat. Phys. 2009, 5, 811-814
12. Stewart, J. T.; Padilha, L. A.; Bae, W. K.; Koh, W.-K.; Pietryga, J. M.; Klimov, V. I. Carrier Multiplication in Quantum Dots within the Framework of Two Competing Energy Relaxation Mechanisms J. Phys. Chem. Lett. 2013, 4, 2061-2068
13. 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 Quantum Dots Nano Lett. 2005, 5, 865-871
14. Nootz, G.; Padilha, L. A.; Levina, L.; Sukhovatkin, V.; Webster, S.; Brzozowksi, L.; Sargent, E. H.; Hagan, D. J.; Stryland, E. W. V. Size Dependence of Carrier Dynamics and Carrier Multiplication in PbS Quantum Dots Phys. Rev. B 2011, 83, 155302
15. Schaller, R. D.; Klimov, V. I. High Efficiency Carrier Multiplication in PbSe Nanocrystals: Implications for Solar Energy Conversion Phys. Rev. Lett. 2004, 92, 186601
16. 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, 836-845
17. Semonin, O. E.; Luther, J. M.; Choi, S.; Chen, H.-Y.; Gao, J.; Nozik, A. J.; Beard, M. C. Peak External Photocurrent Quantum Efficiency Exceeding 100% via MEG in a Quantum Dot Solar Cell Science 2011, 334, 1530-1533
18. Schaller, R. D.; Petruska, M. A.; Klimov, V. I. Effect of Electronic Structure on Carrier Multiplication Efficiency: Comparative Study of PbSe and CdSe Nanocrystals Appl. Phys. Lett. 2005, 87, 253102
19. Schaller, R. D.; Pietryga, J. M.; Klimov, V. I. Carrier Multiplication in InAs Nanocrystal Quantum Dots with an Onset Defined by the Energy Conservation Limit Nano Lett 2007, 7, 3469-3476
20. Beard, M. C.; Knutsen, K. P.; Yu, P.; Luther, J. M.; Song, Q.; Metzger, W. K.; Ellingson, R. J.; Nozik, A. J. Multiple Exciton Generation in Colloidal Silicon Nanocrystals Nano Lett. 2007, 7, 2506-2512
21. Wang, S.; Khafizov, M.; Tu, X.; Zheng, M.; Krauss, T. D. Multiple Exciton Generation in Single-Walled Carbon Nanotubes Nano Lett. 2010, 10, 2381-2386
22. 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. 2012, 46, 1252-1260
23. Lin, Z.; Franceschetti, A.; Lusk, M. T. Size Dependence of the Multiple Exciton Generation Rate in CdSe Quantum Dots ACS Nano 2011, 4, 2503-2511
24. Nozik, A. J. Multiple Exciton Generation in Semiconductor Quantum Dots Chem. Phys. Lett. 2008, 457, 3-11
25. 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
26. 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, 2049-2057
27. 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, 25332-25338
28. Nair, G.; Bawendi, M. G. Carrier Multiplication Yields of CdSe and CdTe Nanocrystals by Transient Photoluminescence Spectroscopy Phys. Rev. B 2007, 76, 081304
29. 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
30. 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, 3019-3027
31. Shabaev, A.; Efros, A. L.; Nozik, A. J. Multiexciton Generation by a Single Photon in Nanocrystals Nano Lett. 2006, 6, 2856-2863
32. Allan, G.; Delerue, C. Role of Impact Ionization in Multiple Exciton Generation in PbSe Nanocrystals Phys. Rev. B 2006, 73, 205423
33. Franceschetti, A.; An, J. M.; Zunger, A. Impact Ionization Can Explain Carrier Multiplication in PbSe Quantum Dots Nano Lett. 2006, 6, 2191-2195
34. Sukhovatkin, V.; Hinds, S.; Brzozowski, L.; Sargent, E. H. Colloidal Quantum-Dot Photodetectors Exploiting Multiexciton Generation Science 2009, 324, 1542-1544
35. Silvestri, L.; Agranovich, V. M. Direct Photogeneration of Biexcitons via Virtual Single-Exciton and Biexciton States in PbSe Quantum Dots Phys. Rev. B 2010, 81, 205302
36. Stewart, J. T.; Padilha, L. A.; Qazilbash, M. M.; Pietryga, J. M.; Midgett, A. G.; Luther, J. M.; Beard, M. C.; Nozik, A. J.; Klimov, V. I. Comparison of Carrier Multiplication Yields in PbS and PbSe Nanocrystals: The Role of Competing Energy-Loss Processes Nano Lett. 2012, 12, 622-628
37. Klimov, V. I. Spectral and Dynamical Properties of Multiexcitons in Semiconductor Nanocrystals Annu. Rev. Phys. Chem. 2007, 58, 565-573
38. 2S Quantum Dot-Sensitized Solar Cells Electrochem. Commun. 2010, 12, 1158-1160
39. 2 Nanotube Array Photoelectrodes Mater. Sci. Eng., B 2012, 177, 106-111
40. 2S Quantum Dots with Bright Fluorescent Emission in the Second Near-Infrared Window Nanotechnology 2013, 24, 055706
41. 2S Quantum Dots from a Single Source Precursor J. Am. Chem. Soc. 2010, 132, 1470-1471
42. 2S Quantum Dots in the Second Near-Infrared Region Angew. Chem., Int. Ed. 2012, 51, 9818-9821
43. Tang, J.; Sargent, E. H. Infrared Colloidal Quantum Dots for Photovoltaics: Fundamentals and Recent Progress Adv. Mater. 2011, 23, 12-29
44. Klimov, V. I.; Mikhailovsky, A. A.; McBranch, D. W.; Leatherdale, C. A.; Bawendi, M. G. Quantization of Multiparticle Auger Rates in Semiconductor Quantum Dots Science 2000, 287, 1011-1013
45. Kissel, H.; Müller, U.; Walther, C.; Masselink, W. T.; Mazur, Y. I.; Tarasov, G. G.; Lisitsa, M. P. Size Distribution in Self-Assembled InAs Quantum Dots on GaAs (001) for Intermediate InAs Coverage Phys. Rev. B 2000, 62, 7213-7218
46. Nozik, A. J. Exciton Multiplication and Relaxation Dynamics in Quantum Dots: Applications to Ultrahigh-Efficiency Solar Photon Conversion Inorg. Chem 2005, 44, 6893-6899
47. Tuan Trinh, M.; Houtepen, A. J.; Schins, J. M.; Hanrath, T.; Piris, J.; Knulst, W.; Goossens, A. P. L. M.; Siebbeles, L. D. A. In Spite of Recent Doubts Carrier Multiplication Does Occur in PbSe Nanocrystals Nano Lett. 2008, 8, 1713-1718
48. Dvorak, M.; Wei, S.-H.; Wu, Z. Origin of the Variation of Exciton Binding Energy in Semiconductors Phys. Rev. Lett. 2013, 110, 016402
49. Mohammed, O. F.; Adamczyk, K.; Banerji, N.; Dreyer, J.; Lang, B.; Nibbering, E. T. J.; Vauthey, E. Direct Femtosecond Observation of Tight and Loose Ion Pairs upon Photoinduced Bimolecular Electron Transfer Angew. Chem., Int. Ed. 2008, 47, 9044-9048
50. 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, 1779-1784
51. El-Ballouli, A. O.; Alarousu, E.; Usman, A.; Pan, J.; Bakr, O. M.; Mohammed, O. F. Real-Time Observation of Ultrafast Intraband Relaxation and Exciton Multiplication in PbS Quantum Dots. To be published.
52. Sykora, M.; Petruska, M. A.; Alstrum-Acevedo, J.; Bezel, I.; Meyer, T. J.; Klimov, V. I. Photoinduced Charge Transfer between CdSe Nanocrystal Quantum Dots and Ru-Polypyridine Complexes J. Am. Chem. Soc. 2006, 128, 9984-9985
53. Zidek, K.; Zheng, K.; Ponseca, C. S.; Messing, M. E.; Wallenberg, L. R.; Chabera, P.; Abdellah, M.; Sundstrom, V.; Pullerits, T. Electron Transfer in Quantum-Dot-Sensitized ZnO Nanowires: Ultrafast Time-Resolved Absorption and Terahertz Study J. Am. Chem. Soc. 2012, 134, 12110-12117
54. 2S Quantum Dots for Near-Infrared Fluorescence Imaging In Vivo Biomaterials 2012, 33, 5130-5135