Optically active charge transfer in hybrids of Alq(3) nanoparticles and MoS2 monolayer
- Authors
- Ghimire, Ganesh; Dhakal, Krishna P.; Neupane, Guru P.; Jo, Seong Gi; Kim, Hyun; Seo, Changwon; Lee, Young Hee; Joo, Jinsoo; Kim, Jeongyong
- Issue Date
- 5-5월-2017
- Publisher
- IOP PUBLISHING LTD
- Keywords
- MoS2; transition metal dichalcogendie; charge transfer; organic nanoparticle
- Citation
- NANOTECHNOLOGY, v.28, no.18
- Indexed
- SCIE
SCOPUS
- Journal Title
- NANOTECHNOLOGY
- Volume
- 28
- Number
- 18
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/83482
- DOI
- 10.1088/1361-6528/aa67c7
- ISSN
- 0957-4484
- Abstract
- Organic/ inorganic hybrid structures have been widely studied because of their enhanced physical and chemical properties. Monolayers of transition metal dichalcogenides (1L-TMDs) and organic nanoparticles can provide a hybridization configuration between zero-and two-dimensional systems with the advantages of convenient preparation and strong interface interaction. Here, we present such a hybrid system made by dispersing p-conjugated organic (tris (8-hydroxyquinoline) aluminum(III)) (Alq(3)) nanoparticles (NPs) on 1L-MoS2. Hybrids of Alq(3) NP/1L-MoS2 exhibited a two-fold increase in the photoluminescence of Alq(3) NPs on 1L-MoS2 and the n-doping effect of 1L-MoS2, and these spectral and electronic modifications were attributed to the charge transfer between Alq(3) NPs and 1L-MoS2. Our results suggested that a hybrid of organic NPs/1L-TMD can offer a convenient platform to study the interface interactions between organic and inorganic nano objects and to engineer optoelectronic devices with enhanced performance.
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