Organic bistable devices based on core/shell CdSe/ZnS nanoparticles embedded in a conducting poly(N-vinylcarbazole) polymer layer
- Authors
- Li, Fushan; Son, Dong-Ik; Seo, Seung-Mi; Cha, Han-Moe; Kim, Hyuk-Ju; Kim, Bong-Jun; Jung, Jae Hun; Kim, Tae Whan
- Issue Date
- Sep-2007
- Publisher
- AMER INST PHYSICS
- Citation
- APPLIED PHYSICS LETTERS, v.91, no.12, pp.1 - 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED PHYSICS LETTERS
- Volume
- 91
- Number
- 12
- Start Page
- 1
- End Page
- 4
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/172250
- DOI
- 10.1063/1.2783189
- ISSN
- 0003-6951
- Abstract
- Current-voltage measurements on the Al/[CdSe/ZnS nanoparticles embedded in a hole-transporting poly(N-vinylcarbazole) (PVK) layer]/indium tin oxide (ITO)/glass structures at 300 K showed a nonvolatile electrical bistability behavior. Capacitance-voltage (C-V) measurements on the Al/[CdSe/ZnS nanoparticles embedded in a PVK layer]/ITO/glass structures at 300 K showed a metal-insulator-semiconductor behavior with a flatband voltage shift due to the existence of the CdSe/ZnS nanoparticles, indicative of trapping, storing, and emission of charges in the electronic states of the CdSe nanoparticles. Operating mechanisms for the Al/[CdSe/ZnS nanoparticles embedded in the PVK layer]/ITO/glass devices are described on the basis of the C-V results.
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