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Identification of (CdSe)32 Structure in Microemulsion-based Synthesis for Solar Cell Applications

Saifful Kamaluddin, Muzakir and Rajan, Jose (2014) Identification of (CdSe)32 Structure in Microemulsion-based Synthesis for Solar Cell Applications. In: Proceedings of 8th Malaysian Technical Universities Conference on Engineering & Technology (MUCET 2014) , 10-11 November 2014 , Mahkota Hotel Bandar Hilir Melaka. . (In Press)

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We investigated the optical and physical properties of different ratio of (i) non-ionic sucrose ester S1670 surfactant, (ii) 1-heptanol and (iii) deionized water using polarizing optical microscope. Three stable phases have been identified; they are (i) lamellar phase lyotropic liquid crystal, (ii) microemulsion and (iii) emulsion. CdSe quantum dots (QDs) were successfully synthesized using microemulsion system consisting 40/50/10 weight % of surfactant, oil and water respectively. The extracted QDs were characterized using XRD, UV-Visible and photoluminescence spectroscopies, and transmission electron microscopy (TEM). A thermodynamically stable chemical structure of (CdSe)32 has been identified using first principle density functional theory (DFT) and emitting states of the structure was calculated.

Item Type: Conference or Workshop Item (Speech)
Subjects: Q Science > QD Chemistry
Q Science > QC Physics
Faculty/Division: Faculty of Industrial Sciences And Technology
Depositing User: Dr. Saifful Kamaluddin Muzakir @ Lokman
Date Deposited: 17 Dec 2014 03:15
Last Modified: 03 Oct 2018 08:54
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