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Grant support

Financial support from the Spanish Ministry of Science and Innovation (MICINN) (projects CTQ2017-83531-R, CTQ2017-84327-P, PGC2018-099568-B-I00, and Unidad de Excelencia Maria de Maeztu CEX2019-000919-M), the CAM (QUIMTRONIC, Project Y2018/NMT-4783), the Generalitat Valenciana (PROME-TEO/2020/077), and European Feder funds (PGC2018-099568-B-I00) is acknowledged. We dedicate this article to Professors Concepcio Rovira and Jaume Veciana for their outstanding career and remarkable contributions to the field of materials for molecular electronics and magnetism.

Analysis of institutional authors

Martínez-Periñán, EAuthorLorenzo, ECorresponding Author

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Article

Supramolecular assembly of pyrene-tetrathiafulvalene hybrids on graphene: structure-property relationships and biosensing activity

Publicated to:Journal of Materials Chemistry C. 9 (33): 10944-10951 - 2021-07-10 9(33), DOI: 10.1039/d1tc01442k

Authors: Garrido, Marina; Martinez-Perinan, Emiliano; Calbo, Joaquin; Rodriguez-Perez, Laura; Arago, Juan; Lorenzo, Encarnacion; Orti, Enrique; Martin, Nazario; Herranz, Ma angeles;

Affiliations

IMDEA Nanociencia, C Faraday 9,Campus Cantoblanco, Madrid 28049, Spain - Author
Univ Autonoma Madrid, Fac Ciencias, Dept Quim Analit & Anal Instrumental, C Francisco Tomas y Valiente 7, Madrid 28049, Spain - Author
Univ Complutense Madrid, Fac Ciencias Quim, Dept Quim Organ, Avda Complutense S-N, Madrid 28040, Spain - Author
Univ Valencia, Inst Ciencia Mol, Paterna 46980, Spain - Author

Abstract

Two different molecular receptors (1 and 2) incorporating one and three pyrene units to promote the pi-pi interaction with the basal plane of graphene are reported. In order to modulate the electronic properties of graphene, the new receptors are endowed with an electron-donor tetrathiafulvalene moiety (exTTF). The resulting non-covalent hybrids have been characterized by different analytical, spectroscopic and microscopic techniques (TGA, Raman, UV-Vis absorption, TEM and XPS), and the supramolecular interaction of the molecular systems with graphene has been investigated by theoretical calculations. The electrochemical behavior of the pyrene-exTTF hybrids onto distinct graphene-based materials allowed us to determine the differences between both receptors and their affinity for various surfaces. Finally, the non-covalent hybrid formed by a pyrene unit and exTTF has been used for the development of an enzymatic biosensor able to operate at very low potentials.

Keywords

BlockCarbon nanotubesChemistryCovalentDerivativesExfoliationGraphiteLayer grapheneNoncovalently functionalized grapheneReceptors

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, 2021, it was in position 24/161, thus managing to position itself as a Q1 (Primer Cuartil), in the category Physics, Applied.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 1.01, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions Jun 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-06-20, the following number of citations:

  • WoS: 4
  • Scopus: 7
  • OpenCitations: 6

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 2025-06-20:

  • 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: 11.
  • 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: 11 (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: 5.4.
  • The number of mentions on the social network X (formerly Twitter): 7 (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

the author responsible for correspondence tasks has been LORENZO ABAD, ENCARNACION.