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Research Project Year:
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Research Project Description:
Organic photovoltaics rely on a thin polymer:fullerene (P3HT:PCBM) matrix to efficiently transport charges through the cell and generate energy. In order to achieve desired thicknesses, defined transport channels and increased efficiency of this active layer, thin films are fabricated using one of two methods: (1) spin coating or (2) blade coating. For this study, multiple blade coating parameters were studied for P3HT and P3HT:PCBM films to determine their effects of basic film morphology. Film roughness and domain characterization were also studied using atomic force microscopy. Based on this information, it was determined that blade coating offers greater control of film morphology and domain separation as compared to spin coating techniques.
Research Project Attachments:
| Attachment | Size |
|---|---|
 Download 2011 research project as a PDF file | 5.96 MB |
Curriculum Project Year:
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Curriculum Project Description:
This portfolio includes three inquiry-based lab modules focusing on atomic structure, solution conductivity and astronomical spectroscopy. These modules allow students to identify and test their own hypotheses, collect and analyze quantitative results and explore real-world applications associated with each topic. Additionally, each module is closely tied to middle and high school chemistry standards, as well as topics in astronomy, earth science, and physics. Overall, the modules strive to go beyond traditional middle school activities and provide opportunities for students to collaborate with peers, incorporate informational texts and familiarize students with technical writing, while still providing hands-on exploration, engaging questioning, and exposure to science in everyday life.
Curriculum Project Attachments:
| Attachment | Size |
|---|---|
| 2013 workshop presentation.pdf | 7.39 MB |
| introduction.pdf | 3.54 MB |
 flame test student version.doc | 346.5 KB |
| flame test teacher version.pdf | 268.17 KB |
| flame test supplementals.pdf | 270.59 KB |
| flame test lesson plan.pdf | 157.87 KB |
| solution conductivity student version.doc | 156.5 KB |
| solution conductivity teacher version.pdf | 81.03 KB |
| solution conductivity supplementals.pdf | 51.35 KB |
| solution conductivity lesson plan.pdf | 188.96 KB |
| spectroscopy student version.doc | 607 KB |
| spectrscopy teacher version.pdf | 574.9 KB |
| spectrscopy lesson plan.pdf | 364.32 KB |
| spectrscopy supplementals.pdf | 561.03 KB |
| materials guide.pdf | 30.46 KB |
| grading rubric.pdf | 23.81 KB |