Ultrafast exciton dynamics in CdTe nanocrystals and core/shell CdTe/CdS nanocrystals

Journal of Physical Chemistry C

Volumn 115, Issue 46, 2011, Pages 22717-22728

  Yan, Yueran ^a   Chen, Gang ^a   Van Patten, P Gregory ^a  

^a OHIO UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ARRIVAL TIME; CARRIER DISTRIBUTIONS; CDS; CDTE; CDTE NANOCRYSTALS; CDTE NCS; CDTE/CDS; CORE/SHELL; CORE/SHELL NANOCRYSTALS; ELECTRON COOLING; ELECTRON DELOCALIZATION; ENERGY LEVEL SPACINGS; EXCITON DYNAMICS; EXCITON LIFETIME; HOLE TRAPPING; OPTICAL METHODS; SPECTRAL SHIFT; STATE-FILLING; TIME-RESOLVED PHOTOLUMINESCENCE; TRANSIENT ABSORPTION; ULTRA-FAST; VISIBLE SPECTRA;

BLEACHING; CADMIUM COMPOUNDS; CADMIUM SULFIDE; CADMIUM TELLURIDE; CLEANING; DYNAMICS; ELECTRONS; EXCITONS; RATE CONSTANTS;

NANOCRYSTALS;

EID: 81755166548     PISSN: 19327447     EISSN: 19327455     Source Type: Journal    
DOI: 10.1021/jp204420q     Document Type: Article

References (69)

1. Halpert, J. E.; Porter, V. J.; Zimmer, J. P.; Bawendi, M. G. Synthesis of CdSe/CdTe Nanobarbells J. Am. Chem. Soc. 2006, 128, 12590-12591 (Pubitemid 44527705)
2. Bailey, R. E.; Strausburg, J. B.; Nie, S. M. A new class of far-red and near-infrared biological labels based on alloyed semiconductor quantum dots J. Nanosci. Nanotechnol. 2004, 4, 569-574
3. Manna, L.; Milliron, D. J.; Meisel, A.; Scher, E. C.; Alivisatos, A. P. Controlled growth of tetrapod-branched inorganic nanocrystals Nat. Mater. 2003, 2, 382-385
4. Kim, S.; Fisher, B.; Eisler, H. J.; Bawendi, M. Type-II quantum dots: CdTe/CdSe(core/shell) and CdSe/ZnTe(core/shell) heterostructures J. Am. Chem. Soc. 2003, 125, 11466-11467 (Pubitemid 37210075)
5. Gaponik, N.; Talapin, D. V.; Rogach, A. L.; Hoppe, K.; Shevchenko, E. V.; Kornowski, A.; Eychmüller, A.; Weller, H. Thiol-capping of CdTe nanocrystals: An alternative to organometallic synthetic routes J. Phys. Chem. B 2002, 106, 7177-7185 (Pubitemid 35383040)
6. Peng, Z. A.; Peng, X. G. Formation of high-quality CdTe, CdSe, and CdS nanocrystals using CdO as precursor J. Am. Chem. Soc. 2001, 123, 183-184 (Pubitemid 32052980)
7. Smith, A. M.; Mohs, A. M.; Nie, S. Tuning the optical and electronic properties of colloidal nanocrystals by lattice strain Nat. Nanotechnol. 2009, 4, 56-63
8. Bang, J. H.; Kamat, P. V. Quantum dot sensitized solar cells. A tale of two semiconductor nanocrystals: CdSe and CdTe ACS Nano 2009, 3, 1467-1476
9. Blackman, B.; Battaglia, D.; Peng, X. G. Bright and water-soluble near IR-emitting CdSe/CdTe/ZnSe Type-II/Type-I nanocrystals, tuning the efficiency and stability by growth Chem. Mater. 2008, 20, 4847-4853
10. Zhong, H. Z.; Zhou, Y.; Yang, Y.; Yang, C. H.; Li, Y. F. Synthesis of type II CdTe-CdSe nanocrystal heterostructured multiple-branched rods and their photovoltaic applications J. Phys. Chem. C 2007, 111, 6538-6543 (Pubitemid 46787882)
11. Chang, J. Y.; Wang, S. R.; Yang, C. H. Synthesis and characterization of CdTe/CdS and CdTe/CdSe core/shell type-II quantum dots in a noncoordinating solvent Nanotechnology 2007, 18, 345602
12. Burda, C.; Green, T. C.; Link, S.; El-Sayed, M. A. Electron shuttling across the interface of CdSe nanoparticles monitored by femtosecond laser spectroscopy J. Phys. Chem. B 1999, 103, 1783-1788 (Pubitemid 129702058)
13. Burda, C.; Link, S.; Mohamed, M.; El-Sayed, M. The relaxation pathways of CdSe nanoparticles monitored with femtosecond time-resolution from the visible to the IR: Assignment of the transient features by carrier quenching J. Phys. Chem. B 2001, 105, 12286-12292 (Pubitemid 35338331)
14. Chuang, C. H.; Lo, S. S.; Scholes, G. D.; Burda, C. Charge separation and recombination in CdTe/CdSe core/shell nanocrystals as a function of shell coverage: Probing the onset of the quasi Type-II regime J. Phys. Chem. Lett. 2010, 1, 2530-2535
15. Klimov, V. I. Optical nonlinearities and ultrafast carrier dynamics in semiconductor nanocrystals J. Phys. Chem. B 2000, 104, 6112-6123
16. Klimov, V. I. Mechanisms for photogeneration and recombination of multiexcitons in semiconductor nanocrystals: Implications for lasing and solar energy conversion J. Phys. Chem. B 2006, 110, 16827-16845 (Pubitemid 44412305)
17. Ellingson, R. J.; Beard, M. C.; Johnson, J. C.; Yu, P. R.; Mićić, 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 (Pubitemid 40749045)
18. Nozik, A. J. Spectroscopy and hot electron relaxation dynamics in semiconductor quantum wells and quantum dots Annu. Rev. Phys. Chem. 2001, 52, 193-231 (Pubitemid 33655122)
19. Robel, I.; Bunker, B. A.; Kamat, P. V.; Kuno, M. Exciton recombination dynamics in CdSe nanowires: Bimolecular to three-carrier Auger kinetics Nano Lett. 2006, 6, 1344-1349 (Pubitemid 44195307)
20. Peng, P.; Milliron, D. J.; Hughes, S. M.; Johnson, J. C.; Alivisatos, A. P.; Saykally, R. J. Femtosecond spectroscopy of carrier relaxation dynamics in Type II CdSe/CdTe tetrapod heteronanostructures Nano Lett. 2005, 5, 1809-1813 (Pubitemid 41396169)
21. Yeh, A. T.; Cerullo, G.; Banin, U.; Mews, A.; Alivisatos, A. P.; Shank, C. V. Dynamics of exciton localization in CdS/HgS quantum-dot quantum wells Phys. Rev. B 1999, 59, 4973-4979
22. Fiore, A.; Mastria, R.; Lupo, M. G.; Lanzani, G.; Giannini, C.; Carlino, E.; Morello, G.; De Giorgi, M.; Li, Y.; Cingolani, R.; Manna, L. Tetrapod-shaped colloidal nanocrystals of II-VI semiconductors prepared by seeded growth J. Am. Chem. Soc. 2009, 131, 2274-2282
23. Creti, A.; Zavelani-Rossi, M.; Lanzani, G.; Anni, M.; Manna, L.; Lomascolo, M. Role of the shell thickness in stimulated emission and photoinduced absorption in CdSe core/shell nanorods Phys. Rev. B 2006, 73, 165410
24. Creti, A.; Anni, M.; Zavelani-Rossi, M.; Lanzani, G.; Leo, G.; Della Sala, F.; Manna, L.; Lomascolo, M. Ultrafast carrier dynamics in core and core/shell CdSe quantum rods: Role of the surface and interface defects Phys. Rev. B 2005, 72, 125346
25. Klimov, V. I.; McBranch, D. W. Femtosecond 1P-to-1S electron relaxation in strongly confined semiconductor nanocrystals Phys. Rev. Lett. 1998, 80, 4028-4031 (Pubitemid 128621843)
26. Klimov, V.; Bolivar, P. H.; Kurz, H. Ultrafast carrier dynamics in semiconductor quantum dots Phys. Rev. B 1996, 53, 1463-1467
27. Kambhampati, P.; Sewall, S. L.; Cooney, R. R.; Anderson, K. E. H.; Dias, E. A. State-to-state exciton dynamics in semiconductor quantum dots Phys. Rev. B 2006, 74, 235328
28. Kambhampati, P.; Cooney, R. R.; Sewall, S. L.; Dias, E. A.; Sagar, D. M.; Anderson, K. E. H. Unified picture of electron and hole relaxation pathways in semiconductor quantum dots Phys. Rev. B 2007, 75, 245311
29. Kambhampati, P.; Sewall, S. L.; Cooney, R. R.; Anderson, K. E. H.; Dias, E. A.; Sagar, D. M. State-resolved studies of biexcitons and surface trapping dynamics in semiconductor quantum dots J. Chem. Phys. 2008, 129, 084701
30. Guyot-Sionnest, P.; Wehrenberg, B.; Yu, D. Intraband relaxation in CdSe nanocrystals and the strong influence of the surface ligands J. Chem. Phys. 2005, 123
31. Kambhampati, P.; Cooney, R. R.; Sewall, S. L.; Anderson, K. E. H.; Dias, E. A. Breaking the phonon bottleneck for holes in semiconductor quantum dots Phys. Rev. Lett. 2007, 98, 177403
32. Kambhampati, P.; Tyagi, P. False multiple exciton recombination and multiple exciton generation signals in semiconductor quantum dots arise from surface charge trapping J. Chem. Phys. 2011, 134, 094706
33. Chou, P. T.; Chen, C. Y.; Cheng, C. T.; Pu, S. C.; Wu, K. C.; Cheng, Y. M.; Lai, C. W.; Chou, Y. H.; Chiu, H. T. Spectroscopy and femtosecond dynamics of type-II CdTe/CdSe core-shell quantum dots ChemPhysChem 2006, 7, 222-228
34. Dooley, C. J.; Dimitrov, S. D.; Fiebig, T. Ultrafast electron transfer dynamics in CdSe/CdTe donor-acceptor nanorods J. Phys. Chem. C 2008, 112, 12074-12076
35. Cui, S. C.; Tachikawa, T.; Fujitsuka, M.; Majima, T. Interfacial electron transfer dynamics in a single CdTe quantum dot-pyromellitimide conjugate J. Phys. Chem. C 2008, 112, 19625-19634
36. Goebl, J. A.; Black, R. W.; Puthussery, J.; Giblin, J.; Kosel, T. H.; Kuno, M. Solution-based II-VI core/shell nanowire heterostructures J. Am. Chem. Soc. 2008, 130, 14822-14833
37. Gerhards, C.; Schulz-Drost, C.; Sgobba, V.; Guldi, D. M. Conjugating luminescent CdTe quantum dots with biomolecules J. Phys. Chem. B 2008, 112, 14482-14491
38. Rawalekar, S.; Kaniyankandy, S.; Verma, S.; Ghosh, H. N. Ultrafast charge carrier relaxation and charge transfer dynamics of CdTe/CdS core-shell quantum dots as studied by femtosecond transient absorption spectroscopy J. Phys. Chem. C 2010, 114, 1460-1466
39. Kaniyankandy, S.; Rawalekar, S.; Verma, S.; Palit, D. K.; Ghosh, H. N. Charge carrier dynamics in thiol capped CdTe quantum dots Phys. Chem. Chem. Phys. 2010, 12, 4210-4216
40. Hewa-Kasakarage, N. N.; Gurusinghe, N. P.; Zamkov, M. Blue-shifted emission in CdTe/ZnSe heterostructured nanocrystals J. Phys. Chem. C 2009, 113, 4362-4368
41. Wang, L.; Wang, H. Y.; Gao, B. R.; Pan, L. Y.; Jiang, Y.; Chen, Q. D.; Han, W.; Sun, H. B. Transient absorption spectroscopic study on band-structure-type change in CdTe/CdS core-shell quantum dots IEEE J. Quantum Electron. 2011, 47, 1177-1184
42. Klimov, V. I.; McBranch, D. W.; Leatherdale, C. A.; Bawendi, M. G. Electron and hole relaxation pathways in semiconductor quantum dots Phys. Rev. B 1999, 60, 13740-13749
43. Klimov, V. I.; Mikhailovsky, A. A.; McBranch, D. W.; Leatherdale, C. A.; Bawendi, M. G. Mechanisms for intraband energy relaxation in semiconductor quantum dots: The role of electron-hole interactions Phys. Rev. B 2000, 61, R13349-R13352
44. de Nobel, D.; Hofman, D. The dielectric constant of CdTe. Physica 1956, 22.
45. Landolt-Börnstein: II-VI and I-VII compounds. Semimagnetic Compounds; Springer-Verlag: New York, 1999; Vol. III/41B.
46. Klimov, V. I.; Schwarz, C. J.; McBranch, D. W.; Leatherdale, C. A.; Bawendi, M. G. Ultrafast dynamics of inter- and intraband transitions in semiconductor nanocrystals: Implications for quantum-dot lasers Phys. Rev. B 1999, 60, R2177-R2180
47. Blackburn, J. L.; Selmarten, D. C.; Ellingson, R. J.; Jones, M.; Mićić, O.; Nozik, A. J. Electron and hole transfer from indium phosphide quantum dots J. Phys. Chem. B 2005, 109, 2625-2631 (Pubitemid 40304441)
48. Blackburn, J. L.; Ellingson, R. J.; Mićić, O. I.; Nozik, A. J. Electron relaxation in colloidal InP quantum dots with photogenerated excitons or chemically injected electrons J. Phys. Chem. B 2003, 107, 102-109
49. Blackburn, J. L.; Selmarten, D. C.; Nozik, A. J. Electron transfer dynamics in quantum dot/titanium dioxide composites formed by in situ chemical bath deposition J. Phys. Chem. B 2003, 107, 14154-14157
50. Knowles, K. E.; McArthur, E. A.; Weiss, E. A. A multi-timescale map of radiative and nonradiative decay pathways for excitons in CdSe quantum dots ACS Nano 2011, 5, 2026-2035
51. McArthur, E. A.; Morris-Cohen, A. J.; Knowles, K. E.; Weiss, E. A. Charge carrier resolved relaxation of the first excitonic state in CdSe quantum dots probed with near-infrared transient absorption spectroscopy J. Phys. Chem. B 2010, 114, 14514-14520
52. Yu, W. W.; Qu, L. H.; Guo, W. Z.; Peng, X. G. Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals Chem. Mater. 2003, 15, 2854-2860
53. Yu, W. W.; Wang, Y. A.; Peng, X. G. Formation and stability of size-, shape-, and structure-controlled CdTe nanocrystals: Ligand effects on monomers and nanocrystals Chem. Mater. 2003, 15, 4300-4308
54. He, Y.; Lu, H. T.; Sai, L. M.; Lai, W. Y.; Fan, Q. L.; Wang, L. H.; Huang, W. Microwave-assisted growth and characterization of water-dispersed CdTe/CdS core-shell nanocrystals with high photoluminescence J. Phys. Chem. B 2006, 110, 13370-13374 (Pubitemid 44115572)
55. 3 particles Langmuir 2005, 21, 1931-1936 (Pubitemid 40338624)
56. 1-x alloy nanocrystals J. Phys. Chem. C 2008, 112, 12795-12800
57. Wang, J.; Long, Y. T.; Zhang, Y. L.; Zhong, X. H.; Zhu, L. Y. Preparation of highly luminescent CdTe/CdS core/shell quantum dots ChemPhysChem 2009, 10, 680-685
58. Nethercott, A. H. Prediction of Fermi energies and photoelectric thresholds based on electronegativity concepts Phys. Rev. Lett. 1974, 33, 1088-1091
59. Qu, L. H.; Peng, X. G. Control of photoluminescence properties of CdSe nanocrystals in growth J. Am. Chem. Soc. 2002, 124, 2049-2055
60. Hines, M. A.; Guyot-Sionnest, P. Synthesis and characterization of strongly luminescing ZnS-Capped CdSe nanocrystals J. Phys. Chem. 1996, 100, 468-471 (Pubitemid 126803820)
61. Dabbousi, B. O.; RodriguezViejo, J.; Mikulec, F. V.; Heine, J. R.; Mattoussi, H.; Ober, R.; Jensen, K. F.; Bawendi, M. G. CdSe-ZnS core-shell quantum dots: Synthesis and characterization of a size series of highly luminescent nanocrystallites J. Phys. Chem. B 1997, 101, 9463-9475 (Pubitemid 127581259)
62. Borchert, H.; Talapin, D. V.; Gaponik, N.; McGinley, C.; Adam, S.; Lobo, A.; Moller, T.; Weller, H. Relations between the photoluminescence efficiency of CdTe nanocrystals and their surface properties revealed by synchrotron XPS J. Phys. Chem. B 2003, 107, 9662-9668
63. Lobo, A.; Borchert, H.; Talapin, D. V.; Weller, H.; Moller, T. Surface oxidation of CdTe nanocrystals-A high resolution core-level photoelectron spectroscopy study Colloids Surf. A 2006, 286, 1-7 (Pubitemid 44038518)
64. Zhong, H.; Nagy, M.; Jones, M.; Scholes, G. D. Electronic states and exciton fine structure in colloidal CdTe nanocrystals J. Phys. Chem. C 2009, 113, 10465-10470
65. Hewa-Kasakarage, N. N.; El-Khoury, P. Z.; Tarnovsky, A. N.; Kirsanova, M.; Nemitz, I.; Nemchinov, A.; Zamkov, M. Ultrafast carrier dynamics in Type II ZnSe/CdS/ZnSe nanobarbells ACS Nano 2010, 4, 1837-1844
66. Lupo, M. G.; Zavelani-Rossi, M.; Fiore, A.; Polli, D.; Carbone, L.; Cingolani, R.; Manna, L.; Lanzani, G. Evidence of electron wave function delocalization in CdSe/CdS asymmetric nanocrystals Superlattices Microstruct. 2010, 47, 170-173
67. Scholes, G. D.; Chuang, C. H.; Doane, T. L.; Lo, S. S.; Burda, C. Measuring electron and hole transfer in core/shell nanoheterostructures ACS Nano 2011, 5, 6016-6024
68. Efros, A. L.; Kharchenko, V. A.; Rosen, M. Breaking the phonon bottleneck in nanometer quantum dots - Role of Auger-like processes Solid State Commun. 1995, 93, 281-284
69. Burda, C.; Link, S.; Mohamed, M. B.; El-Sayed, M. The pump power dependence of the femtosecond relaxation of CdSe nanoparticles observed in the spectral range from visible to infrared J. Chem. Phys. 2002, 116, 3828-3833 (Pubitemid 34923820)