Controlled synthesis of Ag2S quantum dots and experimental determination of the exciton bohr radius

Journal of Physical Chemistry C

Volumn 118, Issue 9, 2014, Pages 4918-4923

  Zhang, Yejun ^a   Liu, Yongsheng ^b   Li, Chunyan ^a   Chen, Xueyuan ^b   Wang, Qiangbin ^a  

^a SUZHOU INSTITUTE OF NANO TECH AND NANO BIONICS   (China)

^b FUJIAN INSTITUTE OF RESEARCH ON THE STRUCTURE OF MATTER   (China)

Author keywords

[No Author keywords available]

Indexed keywords

CONTROLLED SYNTHESIS; EXCITON BOHR RADIUS; EXPERIMENTAL DETERMINATION; PL EXCITATIONS; PL SPECTROSCOPY; QUANTUM CONFINEMENT EFFECTS; SIZE DEPENDENT; TIME-RESOLVED;

EXCITONS; OPTICAL PROPERTIES; SEMICONDUCTOR QUANTUM DOTS;

SILVER;

EID: 84897713743     PISSN: 19327447     EISSN: 19327455     Source Type: Journal    
DOI: 10.1021/jp501266d     Document Type: Article

References (40)

1. Welsher, K.; Liu, Z.; Sherlock, S.; Robinson, J.; Chen, Z.; Daranciang, D.; Dai, H. A Route to Brightly Fluorescent Carbon Nanotubes for Near-Infrared Imaging in Mice Nat. Nanotechnol. 2009, 4, 773-780
2. Welsher, K.; Sherlock, S.; Dai, H. Deep-Tissue Anatomical Imaging of Mice Using Carbon Nanotube Fluorophores in the Second Near-Infrared Window Proc. Natl. Acad. Sci. U.S.A. 2011, 108, 8943-8948
3. Smith, A.; Mancini, M.; Nie, S. Second Window for in Vivo Imaging Nat. Nanotechnol. 2009, 4, 710-711
4. Lim, Y.; Kim, S.; Nakayama, A.; Scott, N.; Bawendi, M.; Frangioni, J. Selection of Quantum Dot Wavelengths for Biomedical Assays and Imaging Mol. Imaging 2003, 2, 50-64
5. 2S Quantum Dot: A Bright and Biocompatible Fluorescent Nanoprobe in the Second Near-Infrared Window ACS Nano 2012, 6, 3695-3702
6. 2S Quantum Dots in the Second Near-Infrared Region Angew. Chem., Int. Ed. 2012, 51, 9818-9821
7. 2S Near-Infrared Quantum Dots in Mice Biomaterials 2013, 34, 3639-3646
8. 2S Quantum Dots in the NIR-II Window Biomaterials 2014, 35, 393-400
9. 2S Quantum Dots Adv. Funct. Mater. 2013, 10.1002/adfm.201303263
10. 2S Quantum Dots for Near-Infrared Fluorescence Imaging in Vivo Biomaterials 2012, 33, 5130-5135
11. 2S Quantum Dot-Sensitized Solar Cells Electrochem. Commun. 2010, 12, 1158-1160
12. Kong, E.; Chang, Y.; Park, H.; Jang, H. Bandgap Tuning by Using a Lattice Distortion Induced by Two Symmetries That Coexist in a Quantum Dot Small 2013, 10.1002/smll.201303040
13. 2S Nanocrystals Adv. Mater. 2012, 24, 99-103
14. 2S Quantum Dots Chem. Mater. 2011, 24, 3-5
15. 2S Quantum Dots with Bright Fluorescent Emission in the Second Near-Infrared Window Nanotechnology 2013, 24, 055706
16. Murray, C. B.; Norris, D. J.; Bawendi, M. G. Synthesis and Characterization of Nearly Monodisperse CdE (E = S, Se, Te) Semiconductor Nanocrystallites J. Am. Chem. Soc. 1993, 115, 8706-8715
17. Peng, X.; Wickham, J.; Alivisatos, A. P. Kinetics of II-VI and III-V Colloidal Semiconductor Nanocrystal Growth: "Focusing" of Size Distributions J. Am. Chem. Soc. 1998, 120, 5343-5344
18. Peng, Z. A.; Peng, X. Formation of High-Quality CdTe, CdSe, and CdS Nanocrystals Using CdO as Precursor J. Am. Chem. Soc. 2001, 123, 183-184
19. Joo, J.; Na, H. B.; Yu, T.; Yu, J. H.; Kim, Y. W.; Wu, F.; Zhang, J. Z.; Hyeon, T. Generalized and Facile Synthesis of Semiconducting Metal Sulfide Nanocrystals J. Am. Chem. Soc. 2003, 125, 11100-11105
20. Wang, D. S.; Zheng, W.; Hao, C. H.; Peng, Q.; Li, Y. A Synthetic Method for Transition-Metal Chalcogenide Nanocrystals Chem.-Eur. J. 2009, 15, 1870-1875
21. Zhuang, Z.; Lu, X.; Peng, Q.; Li, Y. A Facile "Dispersion- Decomposition" Route to Metal Sulfide Nanocrystals Chem.-Eur. J. 2011, 17, 10445-10452
22. Xia, Y.; Tang, Z. Monodisperse Hollow Supraparticles via Selective Oxidation Adv. Funct. Mater. 2012, 22, 2585-2593
23. Tang, Z.; Podsiadlo, P.; Shim, B.; Lee, J.; Kotov, N. The Effect of Stabilizer Density on Transformation of CdTe Nanoparticles Induced by Ag Cations Adv. Funct. Mater. 2008, 18, 3801-3808
24. 2S/Ag Semiconductor/Metal Heteronanostructures with Remarkable Antibacterial Properties ChemPhysChem 2012, 13, 2531-2535
25. 2S Quantum Dots from a Single Source Precursor J. Am. Chem. Soc. 2010, 132, 1470-1471
26. 2S-ZnS Heteronanostructures Preserving Both UV/Blue and Near-Infrared Photoluminescence Angew. Chem., Int. Ed. 2011, 50, 7115-7118
27. 2S-ZnS Heteronanostructures Chem. Mater. 2012, 24, 2407-2413
28. Park, J.; An, K.; Hwang, Y.; Park, J.; Noh, H.; Kim, J.; Park, J.; Hwang, N.; Hyeon, T. Ultra-Large-Scale Syntheses of Monodisperse Nanocrystals Nat. Mater. 2004, 3, 891-895
29. Xie, R.; Rutherford, M.; Peng, X. Formation of High-Quality I-III-VI Semiconductor Nanocrystals by Tuning Relative Reactivity of Cationic Precursors J. Am. Chem. Soc. 2009, 131, 5691-5697
30. 2Se Quantum Dots as a New Fluorescent Probe in the Second Near-Infrared Window for In Vivo Imaging Chem. Mater. 2013, 25, 2503-2509
31. Qu, L.; Peng, Z.; Peng, X. Alternative Routes Toward High Quality CdSe Nanocrystals Nano Lett. 2001, 1, 333-337
32. Wang, Q.; Seo, D.-K. Synthesis of Deep-Red-Emitting CdSe Quantum Dots and General Non-Inverse-Square Behavior of Quantum Confinement in CdSe Quantum Dots Chem. Mater. 2006, 18, 5764-5767
33. Kan, S.; Mokari, T.; Rothenberg, E.; Banin, U. Synthesis and Size-Dependent Properties of Zinc-Blende Semiconductor Quantum Rods Nat. Mater. 2003, 2, 155-158
34. Griffiths, D. Introduction to Quantum Mechanics; Prentice Hall: Upper Saddle River, NJ, 1995.
35. Lalanne, P.; Hugonin, J. Interaction Between Optical Nano-Objects at Metallo-Dielectric Interfaces Nat. Phys. 2006, 2, 551-556
36. Erlich, S. H. Spectroscopic Studies of AgBr with Quantum-Sized Clusters of Iodide, Silver, and Silver Sulfides J. Imaging Sci. Technol. 1993, 37, 73-91
37. Norris, D. J.; Bawendi, M. G. Measurement and Assignment of the Size-Dependent Optical Spectrum in CdSe Quantum Dots Phys. Rev. B 1996, 53, 16338-16346
38. Heitz, R.; Stier, O.; Mukhametzhanov, I.; Madhukar, A.; Bimberg, D. Quantum Size Effect in Self-Organized InAs/GaAs Quantum Dots Phys. Rev. B 2000, 62, 11017-11028
39. Ma, G.; Tang, S.; Sun, W.; Shen, Z.; Huang, W.; Shi, J. Size-Dependent Excited State Properties of CdS Nanocrystals Phys. Lett. A 2002, 299, 581-585
40. Mittleman, D. M.; Schoenlein, R. W.; Shiang, J. J.; Colvin, V. L.; Alivisatos, A. P.; Shank, C. V. Quantum Size Dependence of Femtosecond Electronic Dephasing and Vibrational Dynamics in CdSe Nanocrystals Phys. Rev. B 1994, 49, 14435-14447