J. Yoon, J. Park, J. Kim, G. T. Kim, and J. S. Ha, Adv. Func. Mater. 21(13), 2515-2521 (2011). "Array of Single-Walled Carbon Nanotube Intrajunction Devices Fabricated via Type Conversion by Partial Coating with beta-Nicotinamide Adenine Dinucleotide", 2011년 7월 8일 출간.
Abstract: The fabrication of aligned single-walled, carbon nanotube (SWCNT) intratube junction devices by partially coating pristine SWCNTs with a beta-nicotinamide adenine dinucleotide (NADH) solution and subsequent annealing at 150 C is reported. Gate-bias-dependent rectification behavior is observed with a rectification ratio of >10(3) at +/- 1 V. A comparative study with p-n-junction devices of randomly networked SWCNTs confirms the advantage of using aligned SWCNTs with substantially better rectifying characteristics due to the selective removal of metallic tubes by electrical breakdown. The gate dependence of the intratube p-n-junction in the forward and backward directions is attributed to the difference in the shift of the Fermi levels (forward bias) and the enhanced direct tunneling (reverse bias), as suggested by band-diagram modeling. This work suggests a potential application of aligned SWCNT intratube p-n-junction devices in the future of nanoelectronic circuits.
E-mail Address: gtkim@korea.ac.kr, jeongsha@korea.ac.kr
http://onlinelibrary.wiley.com/doi/10.1002/adfm.v21.13/issuetoc (논문저널 페이지)
http://onlinelibrary.wiley.com/doi/10.1002/adfm.201100265/pdf (논문pdf 링크)
박재현 씨 논문처럼 윤장열씨가 실험을 수행한 것으로 접합소자의 게이트 의존성을 설명함으로써 소자로서의 방향에 대해서 제안을 했습니다. 좋은 협력모델로서 실험과 해석이 잘 적용이 된 것 같습니다. 좋은 협력으로서 수고하고 의뢰해주고 믿어준 학생들과 하정숙 교수님께 고맙게 생각하고 있습니다.
김규태 |
