Abstract

Three-photon absorption (3PA) and three-photon-excited photoluminescence (3PE-PL) of ZnSe/ZnS and copper-doped ZnSe/ZnS core-shell quantum dots (QDs) in aqueous solutions have been unambiguously determined by Z-scan and 3PE-PL measurements with 200- fs laser pulses at 1000 nm. The 3PA cross-section is as high as 3.5 × 10-77 cm6 s2 photon-2 for 4.1 nm-sized, copper-doped ZnSe/ZnS QDs, while their below-band-edge PL is found to be nearly cubic dependent on the excitation intensity, with efficiency enhanced by ~ 20 fold compared to the undoped ZnSe/ZnS QDs.

© 2008 Optical Society of America

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    [CrossRef]

2007

N. Pradhan, D. M. Battaglia, Y. Liu, and X. G. Peng, "Efficient, stable, small, and water-soluble doped ZnSe nanocrystal emitters as non-cadmium biomedical labels," Nano Lett. 7, 312-317 (2007).
[CrossRef]

T. Franzl, J. Müller, T. A. Klar, A. L. Rogach, J. Feldmann, D. V. Talapin, and H. Weller, "CdSe:Te nanocrystals: Band-edge versus Te-related emission," J. Phys. Chem. C 111, 2974-2979 (2007).
[CrossRef]

W. Z. Wu, Z. R. Zheng, and W. L. Liu, "Upconversion luminescence of CdTe nanocrystals by use of near-infrared femtosecond laser excitation," Opt. Lett. 32, 1174-1176 (2007).
[CrossRef]

G. S. He, K-T. Yong, Q. Zheng, Y. Sahoo, A. Baev, A. I. Ryasnyanskiy, and P. N. Prasad, "Multi-photon excitation properties of CdSe quantum dots solutions and optical limiting behavior in infrared range," Opt. Express 15, 12818-12833 (2007).
[CrossRef]

2005

N. Pradhan, D. Goorskey, J. Thessing, and X. G. Peng, "An alternative of CdSe nanocrystal emitters: pure and tunable impurity emissions in ZnSe nanocrystals," J. Am. Chem Soc. 127, 17586-17587 (2005).
[CrossRef]

J. He, Y. L. Qu, H. P. Li, J. Mi, and W. Ji, "Three-photon absorption in ZnO and ZnS crystals," Opt. Express. 13, 9235-9247 (2005).
[CrossRef]

2004

J. W. M. Chon, M. Gu, C. Bullen, and P. Mulvaney, "Three-photon excited band edge and trap emission of CdS semiconductor nanocrystals," Appl. Phys. Lett. 84, 4472-4474 (2004).
[CrossRef]

2001

J. F. Suyver, T. V. D. Beek, S. F. Wuister, J. J. Kelly, and A. Meijerink, "Luminescence of nanocrystalline ZnSe:Cu," Appl. Phys. Lett. 79, 4222-4224 (2001).
[CrossRef]

1998

1997

S. Maiti, J. B. Shear, R. M. Williams, W. R. Zipfel, and W. W. Webb, "Measuring serotonin distribution in live cells with three-photon excitation," Science 275, 530-532 (1997).
[CrossRef]

1996

C. Xu and W. W. Webb, "Measurement of two-photon excitation cross sections of molecular fluorophores with data from 690 to 1050 nm," J. Opt. Soc. Am. B 13, 481-491 (1996).
[CrossRef]

D. J. Norris and M. G. Bawendi, "Measurement and assignment of the size-dependent optical spectrum in CdSe quantum dots," Phys. Rev. B 53, 16338-16346 (1996).
[CrossRef]

1995

A. A. Khosravi, M. Kundu, L. Jatwa, S. K. Deshpande, U. A. Bhagwat, M. Sastry, and S. K. Kulkarni, "Green luminescence from copper doped zinc sulphide quantum particles," Appl. Phys. Lett. 67, 2702-2704 (1995).
[CrossRef]

1990

M. Sheik-Bahae, A. A. Said, T. H. Wei, D. J. Hagan, and E. W. V. Styland, "Sensitive measurement of optical nonlinearities using a single beam," IEEE J. Quantum Electron. 26, 760-769 (1990).
[CrossRef]

1983

H. S. Brandi and C. B. D. Araujo, "Multiphoton absorption coefficients in solids: A universal curve," J. Phys. C 16, 5929-5936 (1983).
[CrossRef]

Appl. Opt.

Appl. Phys. Lett.

J. F. Suyver, T. V. D. Beek, S. F. Wuister, J. J. Kelly, and A. Meijerink, "Luminescence of nanocrystalline ZnSe:Cu," Appl. Phys. Lett. 79, 4222-4224 (2001).
[CrossRef]

A. A. Khosravi, M. Kundu, L. Jatwa, S. K. Deshpande, U. A. Bhagwat, M. Sastry, and S. K. Kulkarni, "Green luminescence from copper doped zinc sulphide quantum particles," Appl. Phys. Lett. 67, 2702-2704 (1995).
[CrossRef]

J. W. M. Chon, M. Gu, C. Bullen, and P. Mulvaney, "Three-photon excited band edge and trap emission of CdS semiconductor nanocrystals," Appl. Phys. Lett. 84, 4472-4474 (2004).
[CrossRef]

IEEE J. Quantum Electron.

M. Sheik-Bahae, A. A. Said, T. H. Wei, D. J. Hagan, and E. W. V. Styland, "Sensitive measurement of optical nonlinearities using a single beam," IEEE J. Quantum Electron. 26, 760-769 (1990).
[CrossRef]

J. Am. Chem Soc.

N. Pradhan, D. Goorskey, J. Thessing, and X. G. Peng, "An alternative of CdSe nanocrystal emitters: pure and tunable impurity emissions in ZnSe nanocrystals," J. Am. Chem Soc. 127, 17586-17587 (2005).
[CrossRef]

J. Opt. Soc. Am. B

J. Phys. C

H. S. Brandi and C. B. D. Araujo, "Multiphoton absorption coefficients in solids: A universal curve," J. Phys. C 16, 5929-5936 (1983).
[CrossRef]

J. Phys. Chem. C

T. Franzl, J. Müller, T. A. Klar, A. L. Rogach, J. Feldmann, D. V. Talapin, and H. Weller, "CdSe:Te nanocrystals: Band-edge versus Te-related emission," J. Phys. Chem. C 111, 2974-2979 (2007).
[CrossRef]

Nano Lett.

N. Pradhan, D. M. Battaglia, Y. Liu, and X. G. Peng, "Efficient, stable, small, and water-soluble doped ZnSe nanocrystal emitters as non-cadmium biomedical labels," Nano Lett. 7, 312-317 (2007).
[CrossRef]

Opt. Express

Opt. Express.

J. He, Y. L. Qu, H. P. Li, J. Mi, and W. Ji, "Three-photon absorption in ZnO and ZnS crystals," Opt. Express. 13, 9235-9247 (2005).
[CrossRef]

Opt. Lett.

Phys. Rev. B

D. J. Norris and M. G. Bawendi, "Measurement and assignment of the size-dependent optical spectrum in CdSe quantum dots," Phys. Rev. B 53, 16338-16346 (1996).
[CrossRef]

Science

S. Maiti, J. B. Shear, R. M. Williams, W. R. Zipfel, and W. W. Webb, "Measuring serotonin distribution in live cells with three-photon excitation," Science 275, 530-532 (1997).
[CrossRef]

Other

Y. L. Qu, W. Ji, Y. G. Zheng, and J. Y. Ying, "Auger recombination and intraband absorption of two-photon-excited carriers in colloidal CdSe quantum dots," Appl. Phys. Lett. 90, 133112/1-133112/3 (2007).

X. Michalet, F. F. Pinaud, L. A. Bentolila, J. M. Tsay, S. Doose, J. J. Li, G. Sundaresan, A. M. Wu, S. S. Gambhir, and S. Weiss, "Quantum dots for live cells, in vivo imaging, and diagnostics," Science 307, 538-544 (2005) and references therein.

D. R. Larson, W. R. Zipfel, R. M. Williams, S. W. Clark, M. P. Bruchez, F. W. Wise, and W. W. Webb, "Water-soluble quantum dots for multiphoton fluorescence imaging in vivo," Science 300, 1434-1436 (2003) and references therein.

J. B. Li and L. W. Wang, "Band-structure-corrected local density approximation study of semiconductor quantum dots and wires," Phys. Rev. B 72, 125325/1-125325/15 (2005).

J. He, W. Ji, J. Mi, Y. G. Zheng, and J. Y. Ying, "Three-photon absorption in water-soluble ZnS nanocrystals," Appl. Phys. Lett. 88, 181114/1-181114/3 (2006).

A. D. Lad, P. P. Kiran, G. R. Kumar, and S. Mahamuni, "Three-photon absorption in ZnSe and ZnSe/ZnS quantum dots," Appl. Phys. Lett. 90, 133113/1-133113/3 (2007).

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