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M.G.I. thanks Santander Talent Attraction Research (STAR2), EIN2020-112276-SUPRAGAPCAT, PID2021-125429NA-I00, CNS2022-135129 funded by MCIN/AEI/10.13039/501100011033 NextGeneration EU/PRTR and TED2021-132602B-I00 for financial support. T.T. acknowledges financial support from the Spanish MCIN/ MICIU/AEI (Projects PID2020-116490GB-I00, PID2023-151167NB-I00, and TED2021-131255B-C43), and the Comunidad de Madrid (MAD2D-CM (UAM1)-MRR) is fully acknowledged. The MAD2D-CM (UAM1)-MRR project are part of the Advanced Materials programme supported by the MCIN with funding from the European Union NextGeneration and by the Comunidad de Madrid. IMDEA Nanociencia acknowledges support from the "Severo Ochoa" Programme for Centres of Excellence in R&D (MINECO, Grant SEV2016-0686). T. T. also acknowledges the Alexander von Humboldt Foundation (Germany) for the A. v. Humboldt - J. C. Mutis Research Award 2023 (ref 3.3-1231125-ESP-GSA). J.A.B. acknowledges PID2023-149497NA-I00/MCIU/AEI/10.13039/501100011033/FEDER,UE. D.M.G. acknowledges "Solar Technologies Go Hybrid".

Analysis of institutional authors

Berrocal, José AugustoAuthor
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Article

Long-Lived Charge Carrier Photogeneration in a Cooperative Supramolecular Double-Cable Polymer

Publicated to:Journal Of The American Chemical Society. 146 (44): 30272-30280 - 2024-10-22 146(44), DOI: 10.1021/jacs.4c09637

Authors: Joseph, Jan; Berrocal, Jose Augusto; Casellas, Nicolas M; Guldi, Dirk M; Torres, Tomas; Garcia-Iglesias, Miguel

Affiliations

Barcelona Inst Sci & Technol BIST, Inst Chem Res Catalonia ICIQ, Tarragona 43007, Spain - Author
Friedrich Alexander Univ Erlangen Nurnberg, FAU Profile Ctr Solar, Interdisciplinary Ctr Mol Mat ICMM, Dept Chem & Pharm, D-91058 Erlangen, Germany - Author
IMDEA Nanociencia, Madrid 28049, Spain - Author
Univ Autonoma Madrid UAM, Inst Adv Res Chem Sci IAdChem, Madrid 28049, Spain - Author
Univ Autonoma Madrid, Dept Quim Organ, Madrid 28049, Spain - Author
Univ Cantabria, QUIPRE Dept, Nanomed IDIVAL, Santander 39005, Spain - Author
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Abstract

A newly designed C3-symmetric disc-shaped chromophore, BTT(NDI)3 , features electron accepting naphthalene diimides linked to an electron donor BTT core. BTT(NDI)3 self-assembles in apolar solvents into highly ordered, chiral supramolecular fibers through pi-pi and 3-fold hydrogen-bonding interactions. This leads to a cooperative formation of plane-to-plane stacking of BTTs and J-aggregation of the outer NDIs. Such a structure ensures high charge mobility. Only photoexcitation of BTT in the BTT(NDI)3 polymers triggers a unidirectional electron transfer from BTT to NDI and results in (BTT center dot+-NDI center dot-) lifetimes that are by up to 3 orders of magnitude longer compared to (NDI center dot+-NDI center dot-) that is formed upon NDI photoexcitation. A multiphasic decay implies ambipolar pathways for charge carriers, that is, electron and hole delocalization along the respective BTT and NDI stacks. Our supramolecular approach offers potential for developing functional supramolecular polymers with continuous pathways for electrons and holes and, in turn, minimizing charge recombination losses in organic photovoltaic devices.

Keywords
BenzotrithiopheneDonorDyadsElectron-transferEnergyJ-aggregationMobilityNanostructureSelf-organizationStacks

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Journal Of The American Chemical Society due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2024 there are still no calculated indicators, but in 2023, it was in position 18/231, thus managing to position itself as a Q1 (Primer Cuartil), in the category Chemistry, Multidisciplinary. Notably, the journal is positioned above the 90th percentile.

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-05-01:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 4.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 4 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 6.7.
  • The number of mentions on the social network X (formerly Twitter): 14 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Germany.