journal article·2017-05-12

Molecular Tailoring of Phenothiazine-Based Hole-Transporting Materials for High-Performing Perovskite Solar Cells

Roberto Grisorio, Bart Roose, Silvia Colella, Andrea Listorti, Gian Paolo Suranna, Antonio Abate

ACS Energy Letters· Volume 2· Issue 5
Publisher page

Abstract

Phenothiazine-based compounds, PTZ1 and PTZ2, were synthesized through straightforward Buchwald–Hartwig and Suzuki–Miyaura cross-couplings, respectively, by binding the suitable donor groups (diarylamine or triarylamine) to a phenothiazine core. Phenothiazine-based structures were proven for the first time as hole-transporting materials in solution-processed lead trihalide perovskite-based solar cells. A dramatic effect exerted by the presence of phenylene spacers was observed on the relevant photovoltaic performances. The power conversion efficiencies measured under AM1.5 sun increase from 2.1% ( PTZ1 ) to a remarkable 17.6% ( PTZ2 ), a value rivaling those obtained with the state-of-the-art Spiro-OMeTAD (17.7%). These results indicate phenothiazine-based compounds as promising candidates to be used as readily available and cost-effective hole-transporting materials in perovskite solar cells.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Organic Light-Emitting Diodes Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Dipartimento di Ingegneria Civile, Ambientale, del Territorio, Edile e di Chimica (DICATECh), Politecnico di Bari, Via Orabona 4, 70125 Bari, Italy

CNR NANOTEC − Istituto di Nanotecnologia, Via Monteroni, 73100 Lecce, Italy

Adolphe Merkle Institute, Chemin des Verdiers 4, CH-1700 Fribourg, Switzerland

Dipartimento di Matematica e Fisica “E. De Giorgi”, Università del Salento, Via per Arnesano, 73100 Lecce, Italy

Young Investigator Group Active Materials and Interfaces for Stable Perovskite Solar Cells, Helmholtz-Zentrum Berlin für Materialien und Energie, Kekuléstrasse 5, 12489 Berlin, Germany

Funding

Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung · Österreichische Forschungsförderungsgesellschaft · Ministero dell’Istruzione, dell’Università e della Ricerca · Adolphe Merkle Foundation · Regione Puglia · Agenzia Regionale per la Tecnologia e l'Innovazione

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