Abstract
A phenothiazine-diketopyrrolopyrrole polymer (PPT-DPP) with a thiophene spacer was synthesized with a number-average molecular weight of 17 600. The new polymer exhibited an optical band-gap of 1.63 eV and a highest occupied molecular orbital energy level of -5.20 eV. Photovoltaic devices were fabricated using the polymer and [6,6]-phenyl C71 butyric acid methyl ester (PC 71BM) with the configuration ITO/PEDOT:PSS/PPT-DPP:PC 71BM/LiF/Al. The polymer-based devices exhibited power conversion efficiencies as high as 1.8%. Based on atomic force microscopy data, the device performance was related to the morphology of the active layers.
| Original language | English |
|---|---|
| Pages (from-to) | 119-123 |
| Number of pages | 5 |
| Journal | Chemical Physics Letters |
| Volume | 584 |
| DOIs | |
| State | Published - 2013 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Quacquarelli Symonds(QS) Subject Topics
- Engineering - Petroleum
- Chemistry
- Physics & Astronomy
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