Content area
Abstract
We introduce the use of facilely synthesizable and low-bandgap boron chromophores as donors in planar heterojunction solar cells. We show that simple changes in the compositional properties of these molecules can improve the performance of the devices. A simultaneous grafting of NO2 acceptor and N(Et2) donor groups into the molecule core causes an increase in efficiency of almost 50%. Such enhanced efficiency is mainly due to a higher photocurrent. The origin of this phenomenon is investigated.
Details
Title
Organoboron donor-π-acceptor chromophores for small-molecule organic solar cells
Author
Nolasco, J C 1 ; Ryan, J W 2 ; Rodríguez, M 3 ; Castro-Carranza, A 4 ; Maldonado, J L 3 ; Ramos-Ortiz, G 3 ; Barbosa-Garcia, O 3 ; Gutowski, J 5 ; Palomares, E 6 ; Parisi, J 7
1 Energy and Semiconductor Research Laboratory, Department of Physics, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany; Science of Sustainable Materials, National School of Higher Studies Unit Morelia, National Autonomous University of Mexico (ENES Morelia UNAM), Morelia, Mexico
2 International Center for Young Scientists (ICYS), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, Japan
3 Research Group of Optical Properties of Materials (GPOM), Centro de Investigaciones en Óptica A.C., León, Guanajuato, Mexico
4 Institute of Solid State Physics, Semiconductor Optics, University of Bremen, Bremen, Germany
5 Institute of Solid State Physics, Semiconductor Optics, University of Bremen, Bremen, Germany; MAPEX Center of Materials and Processes, University of Bremen, Bremen, Germany
6 Institute of Chemical Research of Catalonia (ICIQ), Tarragona, Spain; Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
7 Energy and Semiconductor Research Laboratory, Department of Physics, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
1 Energy and Semiconductor Research Laboratory, Department of Physics, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany; Science of Sustainable Materials, National School of Higher Studies Unit Morelia, National Autonomous University of Mexico (ENES Morelia UNAM), Morelia, Mexico
2 International Center for Young Scientists (ICYS), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, Japan
3 Research Group of Optical Properties of Materials (GPOM), Centro de Investigaciones en Óptica A.C., León, Guanajuato, Mexico
4 Institute of Solid State Physics, Semiconductor Optics, University of Bremen, Bremen, Germany
5 Institute of Solid State Physics, Semiconductor Optics, University of Bremen, Bremen, Germany; MAPEX Center of Materials and Processes, University of Bremen, Bremen, Germany
6 Institute of Chemical Research of Catalonia (ICIQ), Tarragona, Spain; Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
7 Energy and Semiconductor Research Laboratory, Department of Physics, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
Pages
16410-16415
Publication year
2018
Publication date
Oct 2018
ISSN
09574522
e-ISSN
1573482X
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2076593621
Copyright
Journal of Materials Science: Materials in Electronics is a copyright of Springer, (2018). All Rights Reserved.