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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 276 - 280 (5page)
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In this paper, we empirically investigate the retention performance oforganic non-volatile floating gate memory devices with CdSe nanoparticles(NPs) as charge trapping elements. Core-structured CdSe NPs or core-shellstructuredZnS/CdSe NPs were mixed in PMMA and their performance inpentacene based device was compared. The NPs and self-organized thintunneling PMMA inside the devices exhibited hysteresis by trapping holeduring capacitance-voltage characterization. Despite of core-structured NPsshowing a larger memory window, the retention time was too short to beadopted by an industry. By contrast core-shell structured NPs showed animproved retention time of >10000 seconds than core-structure NCs. Basedon these results and the energy band structure, we propose the retentionmechanism of each NPs. This investigation of retention performanceprovides a comparative and systematic study of the charging/dischargingbehaviors of NPs based memory devices.
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