Journal
JOURNAL OF MATERIALS RESEARCH
Volume 31, Issue 17, Pages 2578-2589Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1557/jmr.2016.281
Keywords
photovoltaic; organic; nanoscale
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Funding
- National Science Foundation [CHE 0748676, CHE 0959568]
- Office of Vice-Chancellor of Research at the Southern Illinois University at Carbondale (SIUC)
- Office of Sponsored Projects Administration (OSPA) at the Southern Illinois University at Carbondale (SIUC)
- NIH [GM 106364]
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We demonstrate fabrication and characterization of photovoltaic (PV) devices made using pencil, paper, and commonly available economical chemicals with a power conversion efficiency of similar to 1.8%. The current collecting electrode of the device composed of multilayered graphene (MuLG) was hand-drawn on the cellulosic paper using an H2B pencil. CdSe quantum dots (QD) were used for charge generation, and 3,4,9,10-perylenetetracarboxylic dianhydride (PTCDA) as a bridging molecule to facilitate transfer of the photo-induced charges to the electrodes through MuLG. MuLG acted both as charge carrier and current collector electrode. The device fabrication and testing were accomplished in a wet lab under ambient conditions with minimum use of sophisticated instrumentation. The materials and devices were characterized using UV-visible, fluorescence, x-ray diffraction spectroscopy, and scanning and transmission electron microscopy. I-V characteristics of the PV devices fabricated on paper and polyester transparency substrates were performed using a solar simulator (AM 1.5) under ambient wet laboratory conditions. The use of pencil and paper makes the device fabrication simple, environmentally responsible, and accessible to layperson thus opening a new window for low cost PV and opto-electronic devices.
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