Vibrational Energy Mediates Charge Separation in Organic Photovoltaic Materials

2010 ◽  
Vol 16 (6) ◽  
pp. 1776-1783 ◽  
Author(s):  
Ryan D. Pensack ◽  
Kyle M. Banyas ◽  
John B. Asbury
Keyword(s):  
Charge Separation ◽  
Vibrational Energy ◽  
Organic Photovoltaic ◽  
Photovoltaic Materials ◽  
Organic Photovoltaic Materials

Charge-transfer electronic states in organic solar cells: a TDDFT study

2021 ◽  
Author(s):  
Andres F. Marmolejo-Valencia ◽  
Zaahel Mata-Pinzón ◽  
Carlos Amador-Bedolla
Keyword(s):  
Solar Cells ◽  
Charge Transfer ◽  
Organic Solar Cells ◽  
Charge Separation ◽  
Organic Photovoltaic ◽  
Precise Description ◽  
Transfer Processes ◽  
Photovoltaic Materials ◽  
Organic Photovoltaic Materials ◽  
Electron Transfer Processes

Prediction of new organic photovoltaic materials in solar cells must include a precise description of charge-transfer states that are involved in electron-transfer processes such as charge separation and charge recombination which govern efficiency.

Influence of Acceptor Structure on Barriers to Charge Separation in Organic Photovoltaic Materials

2012 ◽  
Vol 116 (7) ◽  
pp. 4824-4831 ◽  
Author(s):  
Ryan D. Pensack ◽  
Changhe Guo ◽  
Kiarash Vakhshouri ◽  
Enrique D. Gomez ◽  
John B. Asbury
Keyword(s):  
Charge Separation ◽  
Organic Photovoltaic ◽  
Photovoltaic Materials ◽  
Organic Photovoltaic Materials

scholarly journals SEPARAZIONE DI CARICA IN MISCELE DI MATERIALI ORGANICI: VALE LA LEGGE DI COULOMB?

2020 ◽  
Author(s):  
Guido Raos
Keyword(s):  
Theoretical Model ◽  
Charge Separation ◽  
Negative Charge ◽  
Charge Carriers ◽  
Organic Photovoltaic ◽  
Quantum Mechanical ◽  
Apparent Contradiction ◽  
Photovoltaic Materials ◽  
Organic Photovoltaic Materials ◽  
Quantum Mechanical Effects

After a brief introduction to organic photovoltaic materials, I discuss the problem of charge separation in these systems. In the best devices, the excitations produced by absorption of a photon can be converted into positive and negative charge carriers (holes and electrons, respectively) with near-100% efficiency. Such efficiencies are apparently at odds with Coulomb’s law, which would lead to change recombination due to their mutual electrostatic attraction. A theoretical model developed within my group overcomes this apparent contradiction, by taking into account quantum mechanical effects such as the delocalization of the charge carriers.

Dithieno[3,2-b:2′,3′-d]pyrrole-based hole transport materials for perovskite solar cells with efficiencies over 18%

2018 ◽  
Vol 6 (17) ◽  
pp. 7950-7958 ◽  
Author(s):  
Sally Mabrouk ◽  
Mengmeng Zhang ◽  
Zhihui Wang ◽  
Mao Liang ◽  
Behzad Bahrami ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Hole Transport ◽  
Organic Photovoltaic ◽  
Photovoltaic Materials ◽  
Organic Photovoltaic Materials

Dithieno[3,2-b:2′,3′-d]pyrrole (DTP) derivatives are one of the most important organic photovoltaic materials due to better π-conjugation across fused thiophene rings.

Selenium-Containing Organic Photovoltaic Materials

2021 ◽  
Author(s):  
Baobing Fan ◽  
Francis Lin ◽  
Xin Wu ◽  
Zonglong Zhu ◽  
Alex K.-Y. Jen
Keyword(s):  
Organic Photovoltaic ◽  
Photovoltaic Materials ◽  
Organic Photovoltaic Materials

scholarly journals Effect of Ultraviolet Radiation on Organic Photovoltaic Materials and Devices

2019 ◽  
Vol 11 (24) ◽  
pp. 21543-21551 ◽  
Author(s):  
Jay B. Patel ◽  
Priti Tiwana ◽  
Nico Seidler ◽  
Graham E. Morse ◽  
Owen R. Lozman ◽  
...  
Keyword(s):  
Ultraviolet Radiation ◽  
Organic Photovoltaic ◽  
Photovoltaic Materials ◽  
Organic Photovoltaic Materials
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