Direct Observations of Uniform Bulk Heterojunctions and the Energy Level Alignments in Nonfullerene Organic Photovoltaic Active Layers

2021 ◽  
Author(s):  
Rabindra Dulal ◽  
William R. Scougale ◽  
Wei Chen ◽  
Ganesh Balasubramanian ◽  
TeYu Chien
Keyword(s):  
Energy Level ◽  
Organic Photovoltaic ◽  
Bulk Heterojunctions ◽  
Direct Observations ◽  
Active Layers

Scattering Techniques for Mixed Donor-Acceptor Characterization in Organic Photovoltaics

2021 ◽  
Author(s):  
Thomas Chaney ◽  
Andrew Levin ◽  
Sebastian Schneider ◽  
Michael F. Toney
Keyword(s):  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Photovoltaics ◽  
Bulk Heterojunction ◽  
Power Conversion ◽  
Organic Photovoltaic ◽  
Precise Control ◽  
Active Layers ◽  
Complex Morphology ◽  
Donor Acceptor

Precise control of the complex morphology of organic photovoltaic bulk heterojunction (BHJ) active layers remains an important yet challenging approach for improving power conversion efficiency. Of particular interest are the...

Energy level tuning of ‘Z’-shaped small molecular non-fullerene electron acceptors based on a dipyrrolo[2,3-b:2′,3′-e]pyrazine-2,6(1H,5H)-dione acceptor unit for organic photovoltaic applications: a joint experimental and DFT investigation on the effect of fluorination

2019 ◽  
Vol 43 (13) ◽  
pp. 5173-5186 ◽  
Author(s):  
Gangala Sivakumar ◽  
Mahalingavelar Paramasivam ◽  
Dyaga Bharath ◽  
Vaidya Jayathirtha Rao
Keyword(s):  
Energy Level ◽  
Small Molecule ◽  
Electron Acceptors ◽  
Organic Photovoltaic ◽  
Photovoltaic Applications

Three dipyrrolo[2,3-b:2′,3′-e]pyrazine-2,6(1H,5H)-dione based small molecule non-fullerene acceptors with various end-capped fluorine units have been investigated.

Quantifying Voc loss induced by alkyl pendants of acceptors in organic solar cells

2020 ◽  
Vol 8 (36) ◽  
pp. 12568-12577
Author(s):  
Xiaoyu Liu ◽  
Zhong Zheng ◽  
Ye Xu ◽  
Jianqiu Wang ◽  
Yafei Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Optoelectronic Properties ◽  
Molecular Structures ◽  
Organic Photovoltaic ◽  
Bulk Heterojunctions ◽  
Properties Of Materials ◽  
Made In

In the organic photovoltaic community, extensive efforts have been made in proposing resolutions for depressing Voc loss related to the molecular structures and optoelectronic properties of materials in bulk heterojunctions.

Harnessing ALD to directly map the morphology of organic photovoltaic bulk heterojunctions

2015 ◽  
Vol 143 ◽  
pp. 280-283 ◽  
Author(s):  
Stas Obuchovsky ◽  
Basel Shamieh ◽  
Igal Deckman ◽  
Guy Ankonina ◽  
Gitti L. Frey
Keyword(s):  
Organic Photovoltaic ◽  
Bulk Heterojunctions
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