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dc.contributor.authorWu, Hongbo-
dc.contributor.authorMa, Zaifei-
dc.contributor.authorLi, Mengyang-
dc.contributor.authorLu, Hao-
dc.contributor.authorTang, Ailing-
dc.contributor.authorZhou, Erjun-
dc.contributor.authorWen, Jin-
dc.contributor.authorSun, Yanming-
dc.contributor.authorTress, Wolfgang-
dc.contributor.authorOlsen, Jógvan Magnus Haugaard-
dc.contributor.authorMeloni, Simone-
dc.contributor.authorBo, Zhishan-
dc.contributor.authorTang, Zheng-
dc.date.accessioned2023-03-13T10:42:22Z-
dc.date.available2023-03-13T10:42:22Z-
dc.date.issued2023-
dc.identifier.issn1754-5692de_CH
dc.identifier.issn1754-5706de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/27297-
dc.description.abstractDonor halogenation is a common molecular design strategy used to reduce voltage losses (ΔVloss) and improve the power conversion efficiency (PCE) of bulk-heterojunction (BHJ) organic solar cells. Here, the impact of donor halogenation on the performance of organic donor–acceptor (DA) solar cells based on over 30 different materials systems is investigated, and the main reason for the improved performance of solar cells after donor halogenation is ascribed to the increased energy of the charge transfer (CT) state, and the reduced reorganization energy of the CT states (λCT). Also, the impact of donor halogenation on λCT is found to be stronger for the solar cells using the Y-series acceptors (Y5, Y6, etc.) than those using the non-Y-series acceptors (fullerene, ITIC, etc.), which is conducive to achieving lower ΔVloss in organic solar cells. Finally, the impact of donor halogenation on the solar cell performance is demonstrated to be dependent on the halogen substitution position, as well as the number of halogen atoms added to the donor molecule: Halogen substitution on the side groups of the donor molecule is found to be more effective than substitution at the backbone in reducing ΔVloss. These results suggest that future molecular design strategies focusing on the reduction of materials reorganization energy will be of great importance for further improving the performance of organic solar cells.de_CH
dc.language.isoende_CH
dc.publisherRoyal Society of Chemistryde_CH
dc.relation.ispartofEnergy & Environmental Sciencede_CH
dc.rightsLicence according to publishing contractde_CH
dc.subject.ddc621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnikde_CH
dc.titleImpact of donor halogenation on reorganization energies and voltage losses in bulk-heterojunction solar cellsde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitute of Computational Physics (ICP)de_CH
dc.identifier.doi10.1039/D3EE00174Ade_CH
zhaw.funding.euNode_CH
zhaw.issue3de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end1290de_CH
zhaw.pages.start1277de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume16de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedPhotovoltaikde_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Wu, H., Ma, Z., Li, M., Lu, H., Tang, A., Zhou, E., Wen, J., Sun, Y., Tress, W., Olsen, J. M. H., Meloni, S., Bo, Z., & Tang, Z. (2023). Impact of donor halogenation on reorganization energies and voltage losses in bulk-heterojunction solar cells. Energy & Environmental Science, 16(3), 1277–1290. https://doi.org/10.1039/D3EE00174A
Wu, H. et al. (2023) ‘Impact of donor halogenation on reorganization energies and voltage losses in bulk-heterojunction solar cells’, Energy & Environmental Science, 16(3), pp. 1277–1290. Available at: https://doi.org/10.1039/D3EE00174A.
H. Wu et al., “Impact of donor halogenation on reorganization energies and voltage losses in bulk-heterojunction solar cells,” Energy & Environmental Science, vol. 16, no. 3, pp. 1277–1290, 2023, doi: 10.1039/D3EE00174A.
WU, Hongbo, Zaifei MA, Mengyang LI, Hao LU, Ailing TANG, Erjun ZHOU, Jin WEN, Yanming SUN, Wolfgang TRESS, Jógvan Magnus Haugaard OLSEN, Simone MELONI, Zhishan BO und Zheng TANG, 2023. Impact of donor halogenation on reorganization energies and voltage losses in bulk-heterojunction solar cells. Energy & Environmental Science. 2023. Bd. 16, Nr. 3, S. 1277–1290. DOI 10.1039/D3EE00174A
Wu, Hongbo, Zaifei Ma, Mengyang Li, Hao Lu, Ailing Tang, Erjun Zhou, Jin Wen, et al. 2023. “Impact of Donor Halogenation on Reorganization Energies and Voltage Losses in Bulk-Heterojunction Solar Cells.” Energy & Environmental Science 16 (3): 1277–90. https://doi.org/10.1039/D3EE00174A.
Wu, Hongbo, et al. “Impact of Donor Halogenation on Reorganization Energies and Voltage Losses in Bulk-Heterojunction Solar Cells.” Energy & Environmental Science, vol. 16, no. 3, 2023, pp. 1277–90, https://doi.org/10.1039/D3EE00174A.


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