Molecular compositions, materials, and methods for efficient multiple exciton generation
Abstract
Embodiments of the present invention provides compounds, compositions, and methods for their preparation that provide efficient intramolecular fission, such that local order and strong nearest neighbor coupling is no longer a design constraint. Inventive materials include organic oligomers and polymers designed to exhibit strong intrachain donor-acceptor interactions and provide intramolecular singlet fission, whereby triplet populations can be generated in very high yields of, e.g., 170% or more. The inventive disclosure is directed to polymers of the general formula: [SA-SD]n with a strong electron acceptor (SA), a strong electron donor (SD), and n a positive integer equal to or greater than two; methods for their preparation and monomers used therein, blends, mixtures and formulations containing them; the use of the polymers, blends, mixtures and formulations as semiconductors in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices, and to OE and OPV devices comprising these polymers, blends, mixtures or formulations.
- Inventors:
- Issue Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1650832
- Patent Number(s):
- 10636974
- Application Number:
- 15/333,043
- Assignee:
- The Trustees of Columbia University in the City of New York (New York, NY); Brookhaven Science Associates, LLC (Upton, NY)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES
- DOE Contract Number:
- AC02-98CH10886; SC0001085; SC0012704
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 10/24/2016
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Campos, Luis M., Sfeir, Matthew Y., Xia, Jianlong, Busby, Erik Michael Allan, and Low, Jonathan Zhaozhi. Molecular compositions, materials, and methods for efficient multiple exciton generation. United States: N. p., 2020.
Web.
Campos, Luis M., Sfeir, Matthew Y., Xia, Jianlong, Busby, Erik Michael Allan, & Low, Jonathan Zhaozhi. Molecular compositions, materials, and methods for efficient multiple exciton generation. United States.
Campos, Luis M., Sfeir, Matthew Y., Xia, Jianlong, Busby, Erik Michael Allan, and Low, Jonathan Zhaozhi. Tue .
"Molecular compositions, materials, and methods for efficient multiple exciton generation". United States. https://www.osti.gov/servlets/purl/1650832.
@article{osti_1650832,
title = {Molecular compositions, materials, and methods for efficient multiple exciton generation},
author = {Campos, Luis M. and Sfeir, Matthew Y. and Xia, Jianlong and Busby, Erik Michael Allan and Low, Jonathan Zhaozhi},
abstractNote = {Embodiments of the present invention provides compounds, compositions, and methods for their preparation that provide efficient intramolecular fission, such that local order and strong nearest neighbor coupling is no longer a design constraint. Inventive materials include organic oligomers and polymers designed to exhibit strong intrachain donor-acceptor interactions and provide intramolecular singlet fission, whereby triplet populations can be generated in very high yields of, e.g., 170% or more. The inventive disclosure is directed to polymers of the general formula: [SA-SD]n with a strong electron acceptor (SA), a strong electron donor (SD), and n a positive integer equal to or greater than two; methods for their preparation and monomers used therein, blends, mixtures and formulations containing them; the use of the polymers, blends, mixtures and formulations as semiconductors in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices, and to OE and OPV devices comprising these polymers, blends, mixtures or formulations.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {4}
}
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