Connectivity Effect on Electronic Properties of Azulene-Tetraazapyrene Triads.

Xinyi Liu, Souren Majani, Jian Zhang, Simon M Langenegger, Silvio Decurtins, Ulrich Aschauer, Shi-Xia Liu

Abstract read

In one paragraph

Article in Molecules (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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5 · Who and what money

Authors and funding

7 authors.

Xinyi LiuDepartment of Chemistry, Biochemistry and Pharmaceutical Sciences, W. Inäbnit Laboratory for Molecular Quantum Materials, WSS-Research Center for Molecular Quantum Systems, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland.ORCID 0009-0004-3539-4852

Souren MajaniDepartment of Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer-Str. 2A, 5020 Salzburg, Austria.ORCID 0009-0005-6336-8536

Jian ZhangDepartment of Chemistry, Biochemistry and Pharmaceutical Sciences, W. Inäbnit Laboratory for Molecular Quantum Materials, WSS-Research Center for Molecular Quantum Systems, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland.ORCID 0000-0002-4559-1348

Simon M LangeneggerDepartment of Chemistry, Biochemistry and Pharmaceutical Sciences, W. Inäbnit Laboratory for Molecular Quantum Materials, WSS-Research Center for Molecular Quantum Systems, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland.ORCID 0009-0004-6280-1855

Silvio DecurtinsDepartment of Chemistry, Biochemistry and Pharmaceutical Sciences, W. Inäbnit Laboratory for Molecular Quantum Materials, WSS-Research Center for Molecular Quantum Systems, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland.ORCID 0000-0002-1624-8217

Ulrich AschauerDepartment of Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer-Str. 2A, 5020 Salzburg, Austria.

Shi-Xia LiuDepartment of Chemistry, Biochemistry and Pharmaceutical Sciences, W. Inäbnit Laboratory for Molecular Quantum Materials, WSS-Research Center for Molecular Quantum Systems, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland.ORCID 0000-0001-6104-4320

Funding

Swiss National Science Foundation 200021_204053Swiss National Science Foundation CRSII5_213533

6 · The paper itself

Abstract

Azulene-based chromophores are of growing interest due to their unique electronic structures and potential applications as pH-responsive optical materials. In this study, a series of azulene-1,3,6,8-tetraazapyrene (TAP) triads were successfully synthesized and characterized to systematically explore how connectivity between the TAP and azulene units influences their optical and redox properties. UV-Vis absorption spectroscopy and cyclic voltammetry measurements clearly show that the electronic properties depend heavily on the connectivity pattern, as the effective π-conjugation and molecular planarity vary considerably in triads. Remarkably, triads

Indexed as

azulenecyclic voltammetryintramolecular charge transferoptical pH sensorsTD-DFT calculationstetraazapyreneUV-Vis spectroscopy

Identifiers

PMID41515299

DOI10.3390/molecules31010002

PMCPMC12786884

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