Synthesis of Solar Cell Materials, and Fabrication of Novel Polymer- Based Solar cells Yan Jin Prof. Vikram K. Kuppa.

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Synthesis of Solar Cell Materials, and Fabrication of Novel Polymer- Based Solar cells Yan Jin Prof. Vikram K. Kuppa

Materials and Device Structure Donor: P3HT Accepter: F8BT

Graphene Graphene exfoliation form graphite Identify graphene quality, size, thickness, and layers Transfer graphene and blend with polymer

Tasks  Dissolve graphite powders in equimolar C6H6/C6F6 mixed solvent, followed by sonication and centrifuging.  Take supernatant liquid as graphene solution. Identify quality, size by Raman and TEM/AFM. Determine graphene concentration by UV spectrum.  Transfer and blend graphene with P3HT in p-xylene by equal mass.  Make P3HT/F8BT/G solutions in p-xylene with different polymer and graphene concentration.  Make solar cell devices (Glass+ITO+PEDOT:PSS+P3HT/F8BT/G+LiF+Al)  Thermal treatment on polymer films and devices.  Characterization: J-V test, EQE, absorption, thickness and XRD.  Exploratory experiments and paper work on this project.