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다양한 박막 형성법을 사용한 ZnO 전자 추출층이 역구조 고분자 태양전지에 미치는 영향 연구
이동구(Donggu Lee),노승욱(Seunguk Noh),성명모(Myungmo Sung),이창희(Changhee Lee) 한국태양광발전학회 2013 Current Photovoltaic Research Vol.1 No.1
We investigated the effects of ZnO thin film deposition methods on the performance of inverted polymer solar cells with a structure of ITO/ZnO/P3HT:PCBM/MoO3/Al. The ZnO thin films were deposited by various methods (spin coating of nanoparticles, sol-gel process, atomic layer deposition) and their morphology was analyzed by atomic force microscopy (AFM). The device with ZnO nanoparticle thin films showed the highest power conversion efficiency of 3 % with low series resistance and high shunt resistance. The superior performance of the device with the ZnO nanoparticle layer is attributed to better electron extraction capability.
Synthesis of metal oxide nanotubular structures using atomic layer deposition on nanotemplates
Daekyun Jeong,Jiyoung Kim,hyunjung Shin,Jaegab Lee,Myungmo Sung 한국물리학회 2004 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.45 No.2
Nanotube fabrication processes through modication of conventional nanotemplate methods are investigated. In order to fabricate the nanotubes by using nanotemplates, we treated surfacemodi cation self-assembled monolayers on the nanotemplates in order to achieve selective deposition. We used commercially available polycarbonate nanotemplates, supplying uniform nano-scale pores and selective removal of the templates. We deposited conformal and uniform thin tube walls by using atomic layer deposition for oxide layers such as titania and zirconia. The wall thickness was precisely controlled by the number of deposition cycles of the ALD process. The shapes of nanotubes were controlled by template pore sizes and thicknesses. The various properties of the resultant metal-oxide nanotube were examined using by high-resolution transmission electron microscopye, eld-emission scanning electron microscopye and a selective area electron-diraction pattern.