Planar gated organic photovoltaic device

摘要ECCS-0801924S。这项研究的目的是设计、制造和表征一种新型的平面栅极有机光伏器件(OPV)，该器件的平面内阴极和阳极都是由不同的金属沉积的。该方法是(I)通过光学和电子束光刻相结合的方法在掺杂硅衬底上制备交指电极阵列，(Ii)沉积不同厚度的有源层，以及(Iii)通过光电流成像以及室温和低温输运测量来表征器件性能。与现有的OPV？S相比，这种新设备将(I)允许独立控制有源层厚度和电极间距，(Ii)消除对透明电极的需求，在材料选择方面提供更大的灵活性，以及(Iii)允许在位场效应迁移率测量。设备属性将与被调查设备的品质因数直接相关。这将通过提供更好的电荷迁移率、增强的电荷传输和收集效率以及器件制造方法来实现高效率的OPV。广泛的影响：平面栅极OPV的成功展示将对实现高效率、低成本的有机太阳能电池产生重大影响。在教育发展和宣传方面，研究人员建议：(I)对女性和少数民族学生、高中生和教师进行培训；(Ii)开发一门新的能源和纳米科学研究生课程；(Iii)通过互联网、新闻信件、奥兰多科学中心和佛罗里达太阳能中心的展览进行社区宣传。

AbstractECCS-0801924S. Khondaker, University of Central FloridaThe objective of this research is to design, fabricate and characterize a novel planar gated organic photovoltaic device (OPV) with in-plane cathode and anode deposited from different metals. The approach is to (i) fabricate interdigitated electrode arrays by a combination of optical and electron beam lithography on a doped silicon substrate, (ii) deposit active layers of different thickness, and (iii) characterize device performance by photocurrent imaging, and room- and low temperature transport measurements.Intellectual Merit: A novel planar electrode OPV with integrated back gate will be fabricated. In contrast to existing OPV?s, this new device will (i) allow independent control of active layer thickness and electrode spacing, (ii) eliminate the need for transparent electrodes giving more flexibility in choice of materials, and (iii) allow in-situ field effect mobility measurements. Device properties will be correlated directly with the figures of merit of the device under investigation. This will lead to high efficiency OPVs by offering better charge mobility, enhanced charge transport and collection efficiency, and device manufacturing methods.Broader Impact: Successful demonstration of the planar gated OPV will have significant impact towards realization of high efficiency, low cost organic solar cells. For educational development and outreach the investigators propose: (i) training of female and minority students, high school students and teachers, (ii) development of a new graduate course on energy and nanoscience, and (iii) community outreach through internet, news letters, exhibitions at the Orlando Science Center, and Florida Solar Energy Center.