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Abstrakty
We report here for the first time the synthesis of LEEH caped very small size (2 nm) ZnTe quantum dots at low temperature (less than 100 °C) using a simple chemical route. The effects of aging and stirring time on the absorption spectra of the quantum dots were investigated. The synthesized nanocrystal (NC) was characterized by PL, TEM, XRD and the formation of very small size quantum dots having FCC structure was confirmed. Further, blue emission from the prepared sample was observed during exposure to monochromatic UV radiation. ZnTe NCs obtained in this study were found to be more stable compared to those presented in literature reports. ZnTe NCs may be considered as a new material in place of CdTe for optoelectronics devices.
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Tom
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1--5
Opis fizyczny
Bibliogr. 15 poz., rys., tab.
Twórcy
autor
- Department of Physics, National Institute of Science and Technology, Berhampur, Odisha, 761008, India
autor
- Department of Electronics and Communication Engineering , National Institute of Science and Technology, Berhampur, Odisha, 761008, India
autor
- Centre for Nanoscience and Nanotechnology, National Institute of Science and Technology, Berhampur, Odisha, 761008, India
Bibliografia
- [1] MURRAY C.B., KAGAN C.R., BAWENDI M.G., Annu. Rev. Mater. Res., 30 (2000), 545.
- [2] KLIMOV V.I., Semiconductor and Metal Nanocrystal, Marcel Dekker, New York, 2004.
- [3] ROGACH A., Semiconductor Nanocrystal Quantum Dots, Springer, Wien – New York, 2008.
- [4] EFROS A.L., ROSEN M., Annu. Rev. Mater. Res., 30 (2000), 475.
- [5] RESCH-GENGER U., GRABOLLE M., CAVALIEREJARICOT S., NITSCHKE R., NANN T., Nat. Methods, 5 (2008), 763.
- [6] TALAPIN D.V., MURRAY C.B., Science, 310 (2005), 86.
- [7] MEWS A., EYCHMUELLER A., GIERSIG M., SCHOOSS D., WELLER H., J. Phys. Chem., 98 (1994), 934.
- [8] NATH S., CHAKDAR D., GOPE G., AVASTHI D.K., Int. J. Nanotechnol. Appl., 2 (2008), 47.
- [9] MIKOSHIBA S., MURAI S., SUMINO H., KADO T., KOSUGI D., HAYASE S., Curr. Appl. Phys., 5 (2005), 152.
- [10] YANG H., HOLLOWAY P.H., Appl. Phys. Lett., 82 (2003), 1965.
- [11] LINCHENEAU C., AMELIA M., QSZAJCA M., BOCCIA A., D’ORAZI F., MADRIGALE M., ZANONI R., MAZZARO R., ORTOLANI L., MORANDI V., SILVI S., SZACITOWSKI K., CREDI A., J. Mater. Chem. C., 16 (2014), 2877.
- [12] BARUAH L., AVASTHI D.K., NATH S.S., Nanosci. Nanotech.-Asia, 4 (2014), 45.
- [13] YU W.W., QU L., GUO W., PENG X., Chem. Mater., 15 (2003), 2854.
- [14] DONEGA C.D.M., Chem. Soc. Rev., 3 (2011), 1512.
- [15] EFROS A.L., ROSEN M., KUNO M., NIRMAL M., NORRIS D.J., BAWENDI M., Phys. Rev. B, 54 (1996), 4843.
Uwagi
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-839d1c88-4ab3-412d-8e46-4383689f7925