How Heteroatom Substitution in Donor-Acceptor Copolymers Affects Excitonic and Charge Photogeneration Processes in Organic Photovoltaic Cells

Engineering & Materials Science

• Photovoltaic cells 100%
• Copolymers 97%
• Substitution reactions 81%
• Selenium 63%
• Polymers 59%
• Butyric acid 46%
• Esters 29%
• Optical band gaps 27%
• Thin films 25%
• Excitons 24%
• Polymer solar cells 23%
• Oxygen 22%
• Absorption spectroscopy 20%
• Photocurrents 19%
• Charge transfer 17%
• Atoms 14%

Physics & Astronomy

• photovoltaic cells 96%
• copolymers 79%
• substitutes 65%
• polymers 47%
• selenium 39%
• butyric acid 30%
• esters 26%
• phenyls 25%
• dissociation 19%
• oxygen 14%
• atomic energy levels 12%
• thin films 12%
• absorption spectroscopy 10%
• photocurrents 10%
• charge transfer 10%
• excitons 9%
• solar cells 8%
• broadband 8%
• causes 7%
• atoms 5%
• performance 5%

Chemical Compounds

• Copolymer 54%
• Substitution Reaction 51%
• Methyl Ester 48%
• Dissociation 39%
• Heavy Atom Effect 38%
• Benzothiadiazole 36%
• Charge Transfer State 32%
• Exciton 27%
• Triplet State 27%
• Absorption Spectroscopy 25%
• Photocurrent 25%
• Band Gap 20%
• Acid 19%
• Dioxygen 13%