| 학회 |
한국고분자학회 |
| 학술대회 |
2010년 가을 (10/07 ~ 10/08, 대구 EXCO) |
| 권호 |
35권 2호 |
| 발표분야 |
분자전자소재 및 소자 |
| 제목 |
Electrical Memory Characteristics of a Non-Doped p-Conjugated Polymer Bearing Carbazole Moieties |
| 초록 |
Poly[bis(9H-carbazole-9-ethyl)dipropargylmalonate] (PCzDPM) is a novel p-conjugated polymer bearing carbazole moieties that has been synthesized by the polymerization of bis(9H-carbazole-9-ethyl)dipropargylmalonate with the aid of molybdenum chloride solution as the catalyst. The charge-transport characteristics of PCzDPM in nanometer-scaled thin films were studied as functions of temperature and film thickness. PCzDPM films with a thickness of 1530 nm were found to exhibit very stable dynamic random access memory (DRAM) characteristics without polarity. Furthermore, the polymer films retain DRAM characteristics up to 180°C. The ON-state current is dominated by Ohmic conduction and the OFF-state current appears to undergo a transition from Ohmic to space charge limited conduction with a shallow-trap distribution. The ON/OFF switching of the devices is mainly governed by filament formation. |
| 저자 |
박삼대1, 이택준2, 김진철1, 김동민1, 김경태1, 권원상1, 고용기1, 최흥열1, 장태현1, 이문호1
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| 소속 |
1포항공과대, 2삼성전자 |
| 키워드 |
conjugate polymer; carbazole moiety; volatile polymer memory; dynamic random access memory; electrical ON/OFF switching; switching mechanism
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| E-Mail |
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