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Electrical Bistability of Organic Bistable Devices Based on Colloidal CuInS2 Quantum Dots Embedded in a Poly(N-vinylcarbazole) Layer
- Issue Date
- Nov-2013
- Publisher
- IOP PUBLISHING LTD
- Citation
- JAPANESE JOURNAL OF APPLIED PHYSICS, v.52, no.11, pp.1 - 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- JAPANESE JOURNAL OF APPLIED PHYSICS
- Volume
- 52
- Number
- 11
- Start Page
- 1
- End Page
- 4
- ISSN
- 0021-4922
- Abstract
- Organic bistable devices (OBDs) with CuInS2 (CIS) quantum dots (QDs) embedded in a poly(N-vinylcarbazole) (PVK) layer were fabricated by spin coating. Current-voltage (I-V) curves of Al/colloidal hybrid CIS QD-PVK/indium tin oxide devices at 300 K showed that the current bistability with an ON/OFF ratio of 1 x 10(3) is larger than that of OBDs without CIS QDs. The number of retention cycles of the ON and OFF states for the OBDs was above 1 x 10(5). The carrier transport mechanisms of the OBDs were described on the basis of the I-V results.
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