Make Your Own Berry-Sensitized Solar Cell!

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Presentation transcript:

Make Your Own Berry-Sensitized Solar Cell! [Insert presenter names here]

CEI Mission + + solar storage grid Accelerate a scalable clean energy future through scientific and technological advances in + + solar storage grid Today we’ll be focusing on solar energy, but there are so many areas that need research and innovation!

Ph.D. can become faculty, principle investigator researcher, industry Clean Energy Careers Years after School Associates Degree- Community College Bachelors Master Degree- 1-2 years Graduate student is paid to do research in a group led by a faculty (Principle investigator)5-6 yearssome courses, original research, thesis Ph.D. can become faculty, principle investigator researcher, industry Post Doc –1-2 year terms at different universities Opportunities Technician- solar installer, designer Wind turbine mechanic Industrial research, business, startups Teaching at Community Colleges Faculty- research and teaching at University Patents Government Labs 2 4 5-6 8-10 10-15 Research Careers

Energy Conversion Pathways

Energy Conversion Pathways

Dye-Sensitized Solar Cell Components: Transparent anode Collect negative charges TiO2 support Transport negative charges Dye Absorb sunlight Electrolyte solution Regenerate dye Transport positive charges Cathode Collect positive charges

Harnessing light through an energy cascade Anode TiO2 Dye 3I-/I3- Cathode

Harnessing light through an energy cascade + Anode TiO2 Dye 3I-/I3- Cathode

Harnessing light through an energy cascade + Anode TiO2 Dye 3I-/I3- Cathode

Harnessing light through an energy cascade + ⅓ I3- Anode TiO2 Dye 3I-/I3- Cathode

Harnessing light through an energy cascade + ⅓ I3- Anode TiO2 Dye 3I-/I3- Cathode

Harnessing light through an energy cascade + ⅓ I3- Anode TiO2 Dye 3I-/I3- Cathode

Harnessing light through an energy cascade + ⅓ I3- Anode TiO2 Dye 3I-/I3- Cathode

Harnessing light through an energy cascade Electron (-) flow E Hole (+) flow I- + ⅓ I3- Anode TiO2 Dye 3I-/I3- Cathode

Choosing a Dye Absorb Light Looks red/purple because it absorbs green/yellow! Cyanidin Cyanidin is found in cherries, blackberries, blueberries, rasperrries etc. Anthocyanin is the class of molecules containing the absorbing structure highlighted in red https://www.orcagrowfilm.com

Choosing a Dye Absorb Light Looks red/purple because it absorbs green/yellow! Chelates to TiO2 The more oxygens the better! Ti Cyanidin is found in cherries, blackberries, blueberries, rasperrries etc. Anthocyanin is the class of molecules containing the absorbing structure highlighted in red Chelation: Bonding to a metal center through 2 or more points

Choosing a Dye Absorb Light Looks red because it absorbs green! Chelates to TiO2 The more oxygens the better! Ti Cyanidin is found in cherries, blackberries, blueberries, rasperrries etc. Anthocyanin is the class of molecules containing the absorbing structure highlighted in red Chelation: Bonding to a metal center through 2 or more points

Time to Make One! Grab a TiO2 slide

Time to Make One! Grab a TiO2 slide Mash up some berries with some water

Time to Make One! Grab a TiO2 slide Mash up some berries with some water Soak TiO2 slide in berry juice

Time to Make One! Grab a TiO2 slide Mash up some berries with some water Soak TiO2 slide Carbon coat second electrode (with a pencil)

Time to Make One! Grab a TiO2 slide Mash up some berries with some water Soak TiO2 slide Carbon coat second electrode (with a pencil) Put it all together

Time to Make One! Grab a TiO2 slide Mash up some berries with some water Soak TiO2 slide Carbon coat second electrode (with a pencil) Put it all together Test it! Write down current (A) and voltage (V)