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 / Online First)
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Abstract
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: | P.M. Dr. Saifful Kamaluddin Muzakir @ Lokman |
| Date Deposited: | 17 Dec 2014 03:15 |
| Last Modified: | 03 Oct 2018 08:54 |
| URI: | http://umpir.ump.edu.my/id/eprint/7469 |
| Download Statistic: | View Download Statistics |
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