{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T11:55:50Z","timestamp":1783770950926,"version":"3.55.0"},"reference-count":63,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2024,6,12]],"date-time":"2024-06-12T00:00:00Z","timestamp":1718150400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Italian Ministry of University and Research (MUR)","award":["958"],"award-info":[{"award-number":["958"]}]},{"name":"Italian Ministry of University and Research (MUR)","award":["1384"],"award-info":[{"award-number":["1384"]}]},{"name":"Italian Ministry of University and Research (MUR)","award":["PE0000021"],"award-info":[{"award-number":["PE0000021"]}]},{"name":"Italian Ministry of University and Research (MUR)","award":["CUP D13C22003520001"],"award-info":[{"award-number":["CUP D13C22003520001"]}]},{"name":"European Union\u2014NextGenerationEU\u2014Project Title Integrated Theoretical and Experimental Study for the Development of New Generation Excitonic Solar Cells (INTESA-SOLE)\u20142022XSC9P5\u2014Grant Assignment Decree","award":["958"],"award-info":[{"award-number":["958"]}]},{"name":"European Union\u2014NextGenerationEU\u2014Project Title Integrated Theoretical and Experimental Study for the Development of New Generation Excitonic Solar Cells (INTESA-SOLE)\u20142022XSC9P5\u2014Grant Assignment Decree","award":["1384"],"award-info":[{"award-number":["1384"]}]},{"name":"European Union\u2014NextGenerationEU\u2014Project Title Integrated Theoretical and Experimental Study for the Development of New Generation Excitonic Solar Cells (INTESA-SOLE)\u20142022XSC9P5\u2014Grant Assignment Decree","award":["PE0000021"],"award-info":[{"award-number":["PE0000021"]}]},{"name":"European Union\u2014NextGenerationEU\u2014Project Title Integrated Theoretical and Experimental Study for the Development of New Generation Excitonic Solar Cells (INTESA-SOLE)\u20142022XSC9P5\u2014Grant Assignment Decree","award":["CUP D13C22003520001"],"award-info":[{"award-number":["CUP D13C22003520001"]}]},{"name":"European Union\u2014NextGenerationEU\u2014Project Title: Organic Solar Cells: identification and removal of charge recombination pathways\u2014P2022WXPMB\u2014Grant Assignment Decree","award":["958"],"award-info":[{"award-number":["958"]}]},{"name":"European Union\u2014NextGenerationEU\u2014Project Title: Organic Solar Cells: identification and removal of charge recombination pathways\u2014P2022WXPMB\u2014Grant Assignment Decree","award":["1384"],"award-info":[{"award-number":["1384"]}]},{"name":"European Union\u2014NextGenerationEU\u2014Project Title: Organic Solar Cells: identification and removal of charge recombination pathways\u2014P2022WXPMB\u2014Grant Assignment Decree","award":["PE0000021"],"award-info":[{"award-number":["PE0000021"]}]},{"name":"European Union\u2014NextGenerationEU\u2014Project Title: Organic Solar Cells: identification and removal of charge recombination pathways\u2014P2022WXPMB\u2014Grant Assignment Decree","award":["CUP D13C22003520001"],"award-info":[{"award-number":["CUP D13C22003520001"]}]},{"name":"\u201cPartenariati estesi NEST-Network 4\u201d, Project Title: Energy Sustainable Transition","award":["958"],"award-info":[{"award-number":["958"]}]},{"name":"\u201cPartenariati estesi NEST-Network 4\u201d, Project Title: Energy Sustainable Transition","award":["1384"],"award-info":[{"award-number":["1384"]}]},{"name":"\u201cPartenariati estesi NEST-Network 4\u201d, Project Title: Energy Sustainable Transition","award":["PE0000021"],"award-info":[{"award-number":["PE0000021"]}]},{"name":"\u201cPartenariati estesi NEST-Network 4\u201d, Project Title: Energy Sustainable Transition","award":["CUP D13C22003520001"],"award-info":[{"award-number":["CUP D13C22003520001"]}]},{"name":"MUR program \u201cDipartimenti di Eccellenza 2023\u20132027\u201d","award":["958"],"award-info":[{"award-number":["958"]}]},{"name":"MUR program \u201cDipartimenti di Eccellenza 2023\u20132027\u201d","award":["1384"],"award-info":[{"award-number":["1384"]}]},{"name":"MUR program \u201cDipartimenti di Eccellenza 2023\u20132027\u201d","award":["PE0000021"],"award-info":[{"award-number":["PE0000021"]}]},{"name":"MUR program \u201cDipartimenti di Eccellenza 2023\u20132027\u201d","award":["CUP D13C22003520001"],"award-info":[{"award-number":["CUP D13C22003520001"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>The diketopyrrolopyrrole (DPP) unit represents one of the building blocks more widely employed in the field of organic electronics; in most of the reported DPP-based small molecules, this unit represents the electron acceptor core symmetrically coupled to donor moieties, and the solubility is guaranteed by functionalizing lactamic nitrogens with long and branched alkyl tails. In this paper, we explored the possibility of modulating the solubility by realizing asymmetric DPP derivatives, where the molecular structure is extended in just one direction. Four novel derivatives have been prepared, characterized by a common dithyenil-DPP fragment and functionalized on one side by a thiophene unit linked to different auxiliary electron acceptor groups. As compared to previously reported symmetric analogs, the novel dyes showed an increased solubility in chloroform and proved to be soluble in THF as well. The novel dyes underwent a thorough optical and electrochemical characterization. Electronic properties were studied at the DFT levels. All the dyes were used as active layers in organic field effect transistors, showing balanced charge transport properties.<\/jats:p>","DOI":"10.3390\/molecules29122805","type":"journal-article","created":{"date-parts":[[2024,6,13]],"date-time":"2024-06-13T04:30:12Z","timestamp":1718253012000},"page":"2805","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Asymmetrical Diketopyrrolopyrrole Derivatives with Improved Solubility and Balanced Charge Transport Properties"],"prefix":"10.3390","volume":"29","author":[{"given":"Antonio","family":"Carella","sequence":"first","affiliation":[{"name":"Dipartimento di Scienze Chimiche, Universit\u00e0 degli Studi di Napoli \u2018Federico II\u2019, Complesso Universitario Monte Sant\u2019Angelo, Via Cintia 21, 80126 Napoli, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3627-5535","authenticated-orcid":false,"given":"Alessandro","family":"Landi","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Biology, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1944-2664","authenticated-orcid":false,"given":"Matteo","family":"Bonomo","sequence":"additional","affiliation":[{"name":"Department of Chemistry, University of Torino, Via Pietro Giuria 7, 10125 Torino, Italy"},{"name":"Nanomaterials for Industry and Sustainability (NIS) Interdepartmental Centre, Via G. Quarello 15A, 10135 Torino, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2537-5282","authenticated-orcid":false,"given":"Fabio","family":"Chiarella","sequence":"additional","affiliation":[{"name":"CNR-Institute for Superconductors, Innovative Materials, and Devices, Dipartimento di Fisica \u201cEttore Pancini\u201d, P. le Tecchio, 80, 80125 Napoli, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roberto","family":"Centore","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze Chimiche, Universit\u00e0 degli Studi di Napoli \u2018Federico II\u2019, Complesso Universitario Monte Sant\u2019Angelo, Via Cintia 21, 80126 Napoli, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Peluso","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Biology, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6017-5705","authenticated-orcid":false,"given":"Stefano","family":"Nejrotti","sequence":"additional","affiliation":[{"name":"Department of Chemistry, University of Torino, Via Pietro Giuria 7, 10125 Torino, Italy"},{"name":"Nanomaterials for Industry and Sustainability (NIS) Interdepartmental Centre, Via G. Quarello 15A, 10135 Torino, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1990-0119","authenticated-orcid":false,"given":"Mario","family":"Barra","sequence":"additional","affiliation":[{"name":"CNR-Institute for Superconductors, Innovative Materials, and Devices, Dipartimento di Fisica \u201cEttore Pancini\u201d, P. le Tecchio, 80, 80125 Napoli, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,6,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"922","DOI":"10.1038\/s41563-020-0778-5","article-title":"The Journey of Conducting Polymers from Discovery to Application","volume":"19","author":"Guo","year":"2020","journal-title":"Nat. Mater."},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"(2021). 35 Years of Organic Transistors. Nat. 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