Optimization of PEDOT: PSS thin film for organic solar cell application
As a clean and renewable energy source, the development of the organics solar cells is very promising due to the inorganic solar cell inconvenient production process and material shortness. In this work, P3HT: PCBM bulk-heterojunction devices were produced by spin coating organic layers onto I...
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| Format: | Thesis |
| Language: | English English English |
| Published: |
2014
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| Subjects: | |
| Online Access: | http://eprints.uthm.edu.my/1702/1/24p%20YURAIMY%20YAKIMIN%20ABDUL%20TALIB.pdf http://eprints.uthm.edu.my/1702/2/YURAIMY%20YAKIMIN%20ABDUL%20TALIB%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/1702/3/YURAIMY%20YAKIMIN%20ABDUL%20TALIB%20WATERMARK.pdf |
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| Summary: | As a clean and renewable energy source, the development of the organics solar cells
is very promising due to the inorganic solar cell inconvenient production process and
material shortness. In this work, P3HT: PCBM bulk-heterojunction devices were
produced by spin coating organic layers onto ITO coated glass in air, and deposited it
with an Au layer as top metal electrode. Inverted devices were fabricated with and
without PEDOT:PSS. Then, several attempts have been conducted to improve power
conversion efficiency by optimizing different thicknesses of the interlayer between
active layer and metal. Power conversion efficiency, short circuit current, open
circuit voltage and fill factor were measured on all produced devices. In contrast, the
devices with 50 nm thickness of PEDOT: PSS layer showed as better solar cell with
0.0394% efficiency compared to the devices without PEDOT:PSS. As a result,
introduction of PEDOT:PSS layer on active layer improves hole collection at the
metal / active layer interface. |
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