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Grant support

This work was financially supported by MICINN (PID2019-106268GB-C33, PID2022-139548NB-I00 and TED2021-129886BC43) and the UCM (INV.GR.00.1819.10759). MJAN gratefully acknowledges Universidad Rey Juan Carlos for his postdoctoral contract. R. G.-N. thanks the MICINN for a FPI predoctoral fellowship (PRE2020-092327). Computer resources, technical expertise and assistance provided by the SCBI (Supercomputing and Bioinformatics) center of the University of Malaga are gratefully acknowledged. We also thank the Vibrational spectroscopy (EVI) lab of the Research Central Services (SCAI) of the University of Malaga. Funding for open access charge: University of Malaga/CBUA.

Analysis of institutional authors

Alonso-Navarro, Matias JAuthorRamos, M MarAuthor

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August 14, 2023
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Article
Hybrid Gold

Tunable electroactive oligothiophene-naphthalimide semiconductors via end-capped engineering: cumulative effects beyond the linker

Publicated to:Journal Of Materials Chemistry c. 11 (32): 10852-10863 - 2023-08-17 11(32), DOI: 10.1039/d3tc02099a

Authors: Alonso-Navarro, Matias J; Harbuzaru, Alexandra; Gonzalez-Nunez, Raul; Ramos, M Mar; Segura, Jose L; Ponce Ortiz, Rocio

Affiliations

Univ Complutense Madrid, Fac Chem, Dept Organ Chem, Madrid 28040, Spain - Author
Univ Malaga, Dept Phys Chem, Malaga 29071, Spain - Author
Univ Rey Juan Carlos, Chem & Environm Technol Dept, Mostoles 28933, Spain - Author

Abstract

Aiming to obtain novel functional semiconducting materials for their use in organic electronics, the combination of strong donor moieties with electron-withdrawing units is one of the most useful strategies to obtain ambipolar semiconductors with tunable properties. Nowadays most of the efforts headed to efficient materials are based on small changes in the alkyl pendant chains or by replacing single atoms. However, a precise design of new functional materials is still challenging. For this reason, in this work we present a new synthetic approach for achieving redox amphoteric organic semiconductors by tuning their opto-electrochemical properties via rational chemical modifications. All these materials present low-lying LUMO levels, lower than -4.00 eV with broad absorption up to 800 nm in the UV-Vis-NIR spectra. In addition, they have been characterized by DFT, absorption and Raman vibrational spectroscopies, while their charge stabilization abilities are studied by means of spectroelectrochemical techniques. The results point out to a quite complex electronic scenario that goes beyond the expected cumulative effects of the independent molecular units constituting the final molecular assembly.

Keywords

Ambipolar semiconductorCharge-transferChemical modificationConjugated polymerCumulative effectsDesign for testabilityDonor moietyElectro activesElectronwithdrawingField-effect transistorsFunctional materialsHigh-mobilityNaphthalimideNon-fullerene acceptorsOligothiophenesOptoelectronic propertiesOrganic electronicsOrganic semiconductorsPerformanceSemiconducting materialsSpectroelectrochemistryThin-film transistorsThiopheneTunablesUltraviolet spectroscopy

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Journal Of Materials Chemistry c 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, 2023, it was in position 35/179, thus managing to position itself as a Q1 (Primer Cuartil), in the category Physics, Applied.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-07-04:

  • WoS: 3
  • Scopus: 3

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 2025-07-04:

  • 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: 7.
  • 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: 7 (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: 8.4.
  • The number of mentions on the social network X (formerly Twitter): 13 (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:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (Alonso Navarro, Matías-Jesús) .