Characteristics of CdSe Nanocrystalline Thin Films at Two Immiscible Liquids
Keywords:
Nanocrystals, Cadmium selenide, Thin film, Two immiscible liquids.Abstract
In this paper, we report a simple method for the assembly of CdSe nanocrystals into thin films at water-hexane interface. The size and morphology of the CdSe nanocrystals were found to be dependent the reaction temperatures. The decrease in band gap and the increase in particles size with rising reaction temperatures are found to be gradual. The growth of CdSe thin films were characterized with scanning electron microscopy, transmission electron microscopy as well as UV-vis spectroscopy.
References
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[2] Yu A Akimov , W. S. Koh, Nanotechnology. 21 (2008) 235201.
[3] Han L, Qin D, Jiang X, Liu Y, Wang L, Chen J, Cao Y. Nanotechnology. 2006;17:4736–4742
[4] Bailey R E, Smith A M, Nie S. Physica E. 2004;25:1–12
[5] Niitsoo O, Sarkar S K, Pejoux C, Ruhle S, Cahen D, Hodes G. J Photochem Photobiol, A: Chem. 2006;181:306–313
[6] Nozik A. Physica E. 2002;14:115–120
[7] Robel I, Subramanian V, Kuno M, Kamat P V. J Am Chem Soc. 2006;128:2385–2393
[8] Chu K C, Su W S, Chen Y F. J Appl Phys. 2006;100:024516
[9] Al-Ani S K J, Mohammed H H, Al-Fwade E M N. Renewable Energy. 2002;25:585–590
[10] Qiu J, Cheng H, DePuydt J M, Haase M A. J Cryst Growth. 1993;127:279–286.
[11] Oduor, A.O. and R.D. Gould, "A comparison of the DC conduction properties in evaporated cadmium selenide thin films using gold and aluminum electrodes". Thin Solid Films, 1998. 317(1,2): p. 409-412.
[12] Mohanchandra, K.P. and J. Uchil, ”Thermoelectric power of CdS and CdSe films deposited on vibrating substrates". Thin Solid Films, 1997. 305(1,2): p. 124-129
[13] Lee, M.J. and S.-C. Lee, "Extraction of the trap density and mobility in poly-CdSe thin films. Solid-State Electronics", 1999. 43(4): p. 833-838.
[14] Samanta, D., et al., "Electrical characterization of stable air-oxidized CdSe films prepared by thermal evaporation". Semicond. Sci. Technol., 1996. 11(4): p. 548-53.
[15] P.O’Brien, chemistry,1991.5.61.
[16] C.M.Rouleau,D.H.Lowndes,Appl.Surf.Sci.127-129 1998.418.
[17] K.Subbaramaiah and V.S.Raja,Sol.Energy Mater.Sol.Cells,1994,32,1.
[18] P.O’Brien and T.Saeed,J.Cryst.Growth,1996.158,497
[19]Y.J.Change,C.H.Munse,G.S.Herman,J.F.Wager,P.Mugdur,D.H.Leeand C.H.Change,Surf.Interface Anal,2005,37,398
[20] O'Brien, P. and R. Nomura, "Single-molecule precursor chemistry for the deposition of chalcogenide(S or Se)-containing compound semiconductors by MOCVD and related methods". J. Mater. Chem., 1995. 5(11): p. 1761-73.
[21] Oduor, A.O. and R.D. Gould, "A comparison of the DC conduction properties in evaporated cadmium selenide thin films using gold and aluminum electrodes". Thin Solid Films, 1998. 317(1,2): p. 409-412.
[22] Mohanchandra, K.P. and J. Uchil, "Thermoelectric power of CdS and CdSe films deposited on vibrating substrates". Thin Solid Films, 1997. 305(1,2): p. 124-129.
[23] Lee, M.J. and S.-C. Lee, "Extraction of the trap density and mobility in poly-CdSe thin films". Solid-State Electronics, 1999. 43(4): p. 833-838.
[24] Samanta, D., et al., "Electrical characterization of stable air-oxidized CdSe films prepared by thermal evaporation". Semicond. Sci. Technol., 1996. 11(4): p. 548-53.
[25] Dolocan, V., "Electrical, photoelectrical and optical properties of cadmium selenide thin films". Rev. Roum. Phys., 1983. 28(7): p. 647-54.
[26] Pal, U., et al., "Optical constants of vacuum-evaporated polycrystalline cadmium selenide thin films". J. Appl. Phys., 1993. 74(10): p. 6368-74.
[27] Kalyanikutty, K.P., U.K. Gautam, and C.N.R. Rao, "Ultra-Thin Crystalline Films of CdSe and CuSe Formed at the Organic-Aqueous Interface". Journal of Nanoscience and Nanotechnology, 2007. 7(6): p. 1916-1922.
[28] Murray, C.B., D.J. Norris, and M.G. Bawendi, Synthesis and characterization of nearly monodisperse CdE (E = sulfur, selenium, tellurium) semiconductor nanocrystallites. J. Am. Chem. Soc., 1993. 115(19): p. 8706-15.
[29] Lifshitz, E., et al., "Optical properties of CdSe nanoparticle films prepared by chemical deposition and sol–gel methods". Chem. Phys. Lett., 1998. 288(2-4): p. 188-196.
[30] Agrawal Ved, V., G.U. Kulkarni, and C.N.R.Rao, "Nature and properties of ultrathin nanocrystalline gold films formed at the organic-aqueous interface". J Phys Chem B, 2005. 109(15): p. 7300-5.
[31] Tauc, J. and Editor, "Amorphous and Liquid Semiconductors". 1974. 441 pp.
[32] Sapra, S. and D.D. Sarma, "Evolution of the electronic structure with size in II-VI semiconductor nanocrystals". Physical Review B, 2004. 69(12): p. 125304.
[33] Viswanatha, R., et al., "Electronic structure of and quantum size effect in III-V and II-VI semiconducting nanocrystals using a realistic tight binding approach." Physical Review B, 2005. 72(4): p. 045333
[34] Sapra, S., N. Shanthi, and D.D. Sarma, "Realistic tight-binding model for the electronic structure of II-VI semiconductors". Physical Review B, 2002. 66(20): p. 205202.
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Published
2017-01-15
How to Cite
Albrasi, E. (2017). Characteristics of CdSe Nanocrystalline Thin Films at Two Immiscible Liquids. American Scientific Research Journal for Engineering, Technology, and Sciences, 27(1), 116–121. Retrieved from https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2522
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