Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/81774
Title: | Photoluminescence of PdS2 and PdSe2 quantum dots | Authors: | Wang, XY Qarony, W Cheng, PK Ismail, M Tsang, YH |
Issue Date: | 2019 | Source: | RSC advances, 2019, v. 9, no. 65, p. 38077-38084 | Abstract: | Group-10 transition metal dichalcogenide (TMD) materials have recently attracted considerable attention in optoelectronics applications. However, so far their quantum dot (QD) counterparts with photoluminescence (PL) nature still remain to be revealed. In this study, 2 typical types of group-10 TMD material (PdS2 and PdSe2) QDs are fabricated via liquid exfoliation using N-methyl-2-pyrrolidone (NMP) solvent. The absorption and PL spectra of these QD solutions are studied, exhibiting excitation wavelength-dependent behaviors and large Stokes shifts. Furthermore, the quantum yield and decay lifetime are also investigated and analyzed. The obtained results suggest promising optoelectronic applications with group-10 TMD QDs in the future. | Publisher: | Royal Society of Chemistry | Journal: | RSC advances | EISSN: | 2046-2069 | DOI: | 10.1039/c9ra07445g | Rights: | This journal is © The Royal Society of Chemistry 2019 This article is licensed under a Creative Commons Attibution 3.0 Unported Licence (https://creativecommons.org/licenses/by/3.0/) The following publication Wang, X. Y., Qarony, W., Cheng, P. K., Ismail, M., & Tsang, Y. H. (2019). Photoluminescence of pdS2 and pdSe2 quantum dots. RSC Advances, 9(65), 38077-38084 is available at https://dx.doi.org/10.1039/c9ra07445g |
Appears in Collections: | Journal/Magazine Article |
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Wang_Photoluminescence_PdS2_PdSe2.pdf | 1.34 MB | Adobe PDF | View/Open |
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