High-performance flexible organic photovoltaics based on polymer donor/non-fullerene acceptor/two-dimensional nanosheets
Abstract
This research initiative aims to design new semiconductors in organic photovoltaics (OPV) for usein greenhouses and drone wings. OPV are a promising technology for compensating the marginremaining from inorganic PV, yet a major scientific bottleneck is their inefficient harvesting ofphotons across the full solar spectrum. In this project, syntheses of IR absorbingsmall-molecule semiconductors will be focused on through careful selection, design, and adjustment of electron-donating and electron-withdrawing units. Second, surface-modified twodimensional nanosheets will be explored, which have complementary absorption spectra to the active layers to broaden the absorption to near inferred region. Third, new transparent andflexible substrates on OPV devices will be explored. Taking all three approaches, it is believed that that flexible OPVs with PCEs as high as 16% that can be installed on both greenhouses and dronewings to generate electricity will be realized. This study will focus on the essential working mechanisms of thesedevices.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Jul 24, 2019
- Source ID
- FA23861814094
Entities
People
- Yang Yang
Organizations
- Air Force Office of Scientific Research
- United States Air Force
- University of California, Los Angeles