Observation of pH-, solvent-, spin-, and excitation-dependent blue photoluminescence from carbon nanoparticles

Highly blue luminescent carbon nanoparticles with photo-luminescence quantum yields of 31.6%-40.6% were prepared by a one-step pyrolytic route from ethylenediamine-tetraacetic acid salts and a unique emission that is strongly dependent on pH, solvent, spin, and excitation wavelength was observed.

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Bibliographic Details
Published inChemical communications (Cambridge, England) Vol. 46; no. 21; pp. 3681 - 3683
Main Authors Pan, Dengyu, Zhang, Jingchun, Li, Zhen, Wu, Chao, Yan, Xiumei, Wu, Minghong
Format Journal Article
LanguageEnglish
Published England 01.01.2010
Subjects
Carbon
Carbon - chemistry
carbon nanoparticles
chemical communication
chemical reactions
Edetic Acid - chemistry
EDTA (chelating agent)
Emission
Excitation
Hydrogen-Ion Concentration
Nanoparticles
Nanoparticles - chemistry
Nanoparticles - ultrastructure
Photoluminescence
Quantum Theory
salts
Solvents
Solvents - chemistry
Spectrophotometry, Ultraviolet
Wavelengths
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Summary:Highly blue luminescent carbon nanoparticles with photo-luminescence quantum yields of 31.6%-40.6% were prepared by a one-step pyrolytic route from ethylenediamine-tetraacetic acid salts and a unique emission that is strongly dependent on pH, solvent, spin, and excitation wavelength was observed.
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ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/c000114g