PREPARATION AND OPTICAL CHARACTERIZATION OF COLLOIDAL CARBON QUANTUM DOTS

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SASANI GHAMSARI M.; MOMENI BIDZARD A.; PARK H.H.

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Journal: NANOSCALE Year:2016 | Volume:2 | Issue:4 Page(s): 119-124

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Information Journal Paper

Title

PREPARATION AND OPTICAL CHARACTERIZATION OF COLLOIDAL CARBON QUANTUM DOTS

Author(s)

SASANI GHAMSARI M. | MOMENI BIDZARD A. | PARK H.H. | Issue Writer Certificate

Keywords

CARBONQ2

QUANTUM DOTSQ2

PHOTOLUMINESCENCEQ2

QUANTUM CONFINEMENT EFFECTQ2

SURFACE EFFECTSQ2

Abstract

This paper presents optical properties of colloidal CARBON QUANTUM DOTS (C-QDs) in distilled water produced by using a method of alkaliassisted surfactant-free oxidation of cellulose acetate. The formation of colloidal CARBON nanocrystals with the size range of ~ 4-5 nm was confirmed by using high-resolution transmission electron microscopy. The PHOTOLUMINESCENCE (PL) properties of the colloid were investigated at different applied excitation wavelengths and we observed a wide range of tunable visible to near-infrared (NIR) emissions with good stability from the C-QD colloid. A detailed analysis of the results shows that the visible and NIR luminescent properties of the colloidal C-QDs can be attributed to the mechanisms of quantum confinement and SURFACE EFFECTS, respectively.

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APA: Copy

SASANI GHAMSARI, M., MOMENI BIDZARD, A., & PARK, H.H.. (2016). PREPARATION AND OPTICAL CHARACTERIZATION OF COLLOIDAL CARBON QUANTUM DOTS. NANOSCALE, 2(4), 119-124. SID. https://sid.ir/paper/257013/en

Vancouver: Copy

SASANI GHAMSARI M., MOMENI BIDZARD A., PARK H.H.. PREPARATION AND OPTICAL CHARACTERIZATION OF COLLOIDAL CARBON QUANTUM DOTS. NANOSCALE[Internet]. 2016;2(4):119-124. Available from: https://sid.ir/paper/257013/en

IEEE: Copy

M. SASANI GHAMSARI, A. MOMENI BIDZARD, and H.H. PARK, “PREPARATION AND OPTICAL CHARACTERIZATION OF COLLOIDAL CARBON QUANTUM DOTS,” NANOSCALE, vol. 2, no. 4, pp. 119–124, 2016, [Online]. Available: https://sid.ir/paper/257013/en

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