Ultrafast optical spectroscopy of surface-modified silicon quantum dots: Unraveling the underlying mechanism of the ultrabright and color-tunable photoluminescence

Light: Science and Applications

Volumn 4, Issue 1, 2015, Pages

  Wang, Lei ^a   Li, Qi ^b   Wang, Hai Yu ^a   Huang, Jing Chun ^b   Zhang, Ran ^a   Chen, Qi Dai ^a   Xu, Huai Liang ^a   Han, Wei ^a   Shao, Zheng Zhong ^b   Sun, Hong Bo ^a  

^a JILIN UNIVERSITY   (China)

^b FUDAN UNIVERSITY   (China)

Author keywords

quantum confinement; silicon quantum dots; surface molecular engineering; ultrafast spectroscopy; wave function modification

Indexed keywords

BAND STRUCTURE; NANOCRYSTALS; PHOTOLUMINESCENCE; QUANTUM CONFINEMENT; QUANTUM THEORY; SILICON; SUPERCOMPUTERS; SURFACE TREATMENT; WAVE FUNCTIONS;

COLOR-TUNABLE PHOTOLUMINESCENCES; EMISSION WAVELENGTH; FUNDAMENTAL MECHANISMS; MOLECULAR ENGINEERING; PHOTOLUMINESCENCE QUANTUM YIELDS; SILICON QUANTUM DOTS; ULTRA-FAST SPECTROSCOPIES; ULTRAFAST OPTICAL SPECTROSCOPY;

SEMICONDUCTOR QUANTUM DOTS;

EID: 84927709963     PISSN: None     EISSN: 20477538     Source Type: Journal    
DOI: 10.1038/lsa.2015.16     Document Type: Article

References (56)

1. Pavesi L, Dal Negro L, Mazzoleni C, Franzò G, Priolo F. Optical gain in silicon nanocrystals. Nature 2000; 408: 440-444.
2. Ding ZF, Quinn BM, Haram SK, Pell LE, Korgel BA et al. Electrochemistry and electrogenerated chemiluminescence from silicon nanocrystal quantum dots. Science 2002; 296: 1293-1297.
3. Cloutier SG, Kossyrev PA, Xu J. Optical gain and stimulated emission in periodic nanopatterned crystalline silicon. Nat Mater 2005; 4: 887-891.
4. Liu CY, Holman ZC, Kortshagen UR. Optimization of Si NC/P3HT hybrid solar cells. Adv Funct Mater 2010; 20: 2157-2164.
5. He Y, Su YY, Yang XB, Kang ZH, Xu TT et al. Photo and pH stable, highly-luminescent silicon nanospheres and their bioconjugates for immunofluorescent cell imaging. J Am Chem Soc 2009; 131: 4434-4438.
6. He Y, Zhong YL, Peng F, Wei XP, Su YY et al. One-pot microwave synthesis of water-dispersible, ultraphoto- and pH-stable, and highly fluorescent silicon quantum dots. J Am Chem Soc 2011; 133: 14192-14195.
7. Erogbogbo F, Yong KT, Roy I, Hu R, Law WC et al. In vivo Targeted cancer imaging, sentinel lymph node mapping and biocompatible silicon nanocrystals. ACS Nano 2011; 5: 413-423.
8. Puzzo DP, Henderson EJ, Helander MG, Wang ZB, Ozin GA et al. Visible colloidal nanocrystal silicon light-emitting diode. Nano Lett 2011; 11: 1585-1590.
9. Wolf O, Dasog M, Yang Z, Balberg I, Veinot JG et al. Doping and quantum confinement effects in single Si nanocrystals observed by scanning tunneling spectroscopy. Nano Lett 2013; 13: 2516-2521.
10. Vach H. Ultrastable silicon nanocrystals due to electron delocalization. Nano Lett 2011; 11: 5477-5481.
11. Wheeler LM, Neale NR, Chen T, Kortshagen UR. Hypervalent surface interactions for colloidal stability and doping of silicon nanocrystals. Nat Commun 2013; 4: 2197.
12. Zhang YX, Han X, Zhang JM, Liu Y, Huang H et al. Photoluminescence of silicon quantum dots in nanospheres. Nanoscale 2012; 4: 7760-7765.
13. Kang ZH, Liu Y, Lee ST. Small-sized silicon nanoparticles: new nanolights and nanocatalysts. Nanoscale 2011; 3: 777-791.
14. Hybertsen MS. Absorption and emission of light in nanoscale silicon structures. Phys Rev Lett 1994; 72: 1514-1517.
15. Wolkin MV, Jorne J, Fauchet PM, Allan G, Delerue C. Electronic states and luminescence in porous silicon quantum dots: the role of oxygen. Phys Rev Lett 1999; 82: 197-200.
16. Hessel CM, Reid D, Panthani MG, Rasch MR, Goodfellow BW et al. Synthesis of ligand-stabilized silicon nanocrystals with size-dependent photoluminescence spanning visible to near-infrared wavelengths. Chem Mater 2012; 24: 393-401.
17. de Boer WD, Timmerman D, Dohnalová K, Yassievich IN, Zhang H et al. Red spectral shift and enhanced quantum efficiency in phonon-free photoluminescence from silicon nanocrystals. Nat Nanotechnol 2010; 5: 878-884.
18. Shirahata N. Colloidal Si nanocrystals: a controlled organic-inorganic interface and its implications of color-tuning and chemical design toward sophisticated architectures. Phys Chem Chem Phys 2011; 13: 7284-7294.
19. Priolo F, Gregorkiewicz T, Galli M, Krauss TF. Silicon nanostructures for photonics and photovoltaics. Nat Nanotechnol 2014; 9: 19-32.
20. Wilson WL, Szajowski PF, Brus LE. Quantum confinement in size-selected, surface-oxidized silicon nanocrystals. Science 1993; 262: 1242-1244.
21. Meier C, Gondorf A, Lüttjohann S, Lorke A, Wiggers H. Silicon nanoparticles: absorption, emission, and the nature of the electronic bandgap. J Appl Phys 2007; 101: 103112.
22. Miller JB, Van Sickle AR, Anthony RJ, Kroll DM, Kortshagen UR et al. Ensemble brightening and enhanced quantum yield in size-purified silicon nanocrystals. ACS Nano 2012; 6: 7389-7396.
23. Li Q, He Y, Chang J, Wang L, Chen HZ et al. Surface-modified silicon nanoparticles with ultrabright photoluminescence and single-exponential decay for nanoscale fluorescence lifetime imaging of temperature. J Am Chem Soc 2013; 135: 14924-14927.
24. Dohnalová K, Poddubny AN, Prokofiev AA, de Boer WD, Umesh CP et al. Surface brightens up Si quantum dots: direct bandgap-like size-tunable emission. Light Sci Appl 2013; 2: e47; doi:10.1038/lsa.2013.3.
25. Dohnalová K, Fučíková A, Umesh CP, Humpolíčková J, Paulusse JM et al. Microscopic origin of the fast blue-green luminescence of chemically synthesized non-oxidized silicon quantum dots. Small 2012; 8: 3185-3191.
26. Godefroo S, Hayne M, Jivanescu M, Stesmans A, Zacharias M et al. Classification and control of the origin of photoluminescence from Si nanocrystals. Nat Nanotechnol 2008; 3: 174-178.
27. Ku˚sová K, Cibulka O, Dohnalová K, Pelant I, Valenta J et al. Brightly luminescent organically capped silicon nanocrystals fabricated at room temperature and atmospheric pressure. ACS Nano 2010; 4: 4495-4504.
28. Anthony R, Kortshagen U. Photoluminescence quantum yields of amorphous and crystalline silicon nanoparticles. Phys Rev B 2009; 80: 115407.
29. Hao HL, Shen WZ. Identification and control of the origin of photoluminescence from silicon quantum dots. Nanotechnology 2008; 19: 455704.
30. Sa'ar A. Photoluminescence from silicon nanostructures: the mutual role of quantum confinement and surface chemistry. J Nanophotonics 2009; 3: 032501.
31. Sa'ar A. On the origin of photoluminescence from silicon nanostructures: a new perspective. Phys Status Solidi C 2011; 8: 1764-1768.
32. Belomoin G, Therrien J, Smith A, Rao S, Twesten R et al. Observation of a magic discrete family of ultrabright Si nanoparticles. Appl Phys Lett 2002; 80: 841-843.
33. Jurbergs D, Rogojina E, Mangolini L, Kortshagen U. Silicon nanocrystals with ensemble quantum yields exceeding 60%. Appl Phys Lett 2006; 88: 233116.
34. Hannah DC, Yang JH, Podsiadlo P, Chan MK, Demoritière A et al. On the origin of photoluminescence in silicon nanocrystals: pressure-dependent structural and optical studies. Nano Lett 2012; 12: 4200-4205.
35. Wang L, Wang HY, Wang Y, Zhu SJ, Zhang YL et al. Direct observation of quantum-confined graphene-like states and novel hybrid states in graphene oxide by transient spectroscopy. Adv Mater 2013; 25: 6539-6545.
36. Zhang Q, Zheng HJ, Geng ZG, Jiang SL, Ge J et al. The realistic domain structure of assynthesized graphene oxide from ultrafast spectroscopy. J Am Chem Soc 2013; 135: 12468-12474.
37. Wang L, Zhu SJ, Wang HY, Wang YF, Hao YW et al. Unraveling bright molecule-like state and dark intrinsic state in green-fluorescence graphene quantum dots via ultrafast spectroscopy. Adv Opt Mater 2013; 1: 264-271.
38. Wen XM, Yu P, Toh YR, Hao XT, Tang J. Intrinsic and extrinsic fluorescence in carbon nanodots: ultrafast time-resolved fluorescence and carrier dynamics. Adv Opt Mater 2013; 1: 173-178.
39. Wang L, Zhu SJ, Wang HY, Qu SN, Zhang YL et al. Common origin of green luminescence in carbon nanodots and graphene quantum dots. ACS Nano 2014; 8: 2541-2547.
40. Wang L, Wu CF, Wang HY, Wang YF, Chen QD et al. Internal structure-mediated ultrafast energy transfer in self-assembled polymer-blend dots. Nanoscale 2013; 5: 7265-7270.
41. Wang L, Wang HY, Gao BR, Pan LY, Jiang Y et al. 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. Pan LY, Zhang YL, Wang HY, Liu H, Luo JS et al. Hierarchical self-assembly of CdTe quantum dots into hyperbranched nanobundles: suppression of biexciton Auger recombination. Nanoscale 2011; 3: 2882-2888.
43. Wang L, Wang HY, Wei HT, Zhang H, Chen QD et al. Unraveling charge separation and transport mechanism in aqueous-processed polymer/CdTe nanocrystal hybrid solar cells. Adv Energy Mater 2014; 4: 1301882.
44. Sykora M, Mangolini L, Schaller RD, Kortshagen U, Jurbergs D et al. Size-dependent intrinsic radiative decay rates of silicon nanocrystals at large confinement energies. Phys Rev Lett 2008; 100: 067401.
45. Kuntermann K, Cimpean C, Brehm G, Sauer G, Kryschi C et al. Femtosecond transient absorption spectroscopy of silanized silicon quantum dots. Phys Rev B 2008; 77: 115343.
46. Groenewegen V, Kuntermann V, Haarer D, Kunz M, Kryschi C. Excited-state relaxation dynamics of 3-vinylthiophene-terminated silicon quantum dots. J Phys Chem C 2010; 114: 11693-11698.
47. Atkins TM, Thibert A, Larsen DS, Dey S, Browning ND et al. Femtosecond ligand/core dynamics of microwave-assisted synthesized silicon quantum dots in aqueous solution. J Am Chem Soc 2011; 133: 20664-20667.
48. Sommer A, Cimpean C, Kunz M, Oelsner C, Kupka HJ et al. Ultrafast excitation energy transfer in vinylpyridine terminated silicon quantum dots. J Phys Chem C 2011; 115: 22781-22788.
49. Fuzell J, Thibert A, Atkins TM, Dasog M, Busby E et al. Red states versus blue states in colloidal silicon nanocrystals: exciton sequestration into low-density traps. J Phys Chem Lett 2013; 4: 3806-3812.
50. Ku˚sová K, Hapala P, Valenta J, Jelínek P, Cibulka O et al. Direct bandgap silicon: tensile-strained silicon nanocrystals. Adv Mater Interfaces 2014; 1: 1300042.
51. Kang ZH, Liu Y, Tsang CH, Ma DD, Fan X et al . Water-soluble silicon quantum dots with wavelength-tunable photoluminescence. Adv Mater 2009; 21: 661-664.
52. Pi XD, Mangolini L, Campbell SA, Kortshagen U. Room-temperature atmospheric oxidation of Si nanocrystals after HF etching. Phys Rev B 2007; 75: 085423.
53. Dasog M, Yang Z, Regli S, Atkins TM, Faramus A et al. Chemical insight into the origin of red and blue photoluminescence arising from freestanding silicon nanocrystals. ACS Nano 2013; 7: 2676-2685.
54. Hannah DC, Yang JH, Kramer NJ, Schatz GC, Kortshagen UR et al. Ultrafast photoluminescence in quantum-confined silicon nanocrystals arises from an amprphous surface layer. ACS Photonics 2014; 1: 960-967.
55. Dasog M, De los Reyes GB, Titova LV, Hegmann FA, Veinot JG. Size vs surface: tuning the photoluminescence of freestanding silicon nanocrystals across the visible spectrum via surface groups. ACS Nano 2014; 8: 9636-9648.
56. Kim SW, Lee J, Sung JH, Seo DJ, Kim I et al. Two-dimensionally grown single-crystal silicon nanosheets with tunable visible-light emissions. ACS Nano 2014; 8: 6556-6562.