DataVXACS Applied Materials & InterfacesPaper
journal article·2020-07-22Open access

Benzothiadiazole Aryl-amine Based Materials as Efficient Hole Carriers in Perovskite Solar Cells

Cristina Rodríguez-Seco, Maria Méndez, Cristina Roldán-Carmona, Lydia Cabau, Abdullah M. Asiri, Mohammad Khaja Nazeeruddin, Emilio Palomares

ACS Applied Materials & Interfaces· Volume 12· Issue 29
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Source abstract

Abstract

Four hole transport materials (HTMs) based on a benzothiadiazole (BT) central core have been synthesized and successfully employed in triple-cation mixed-halide perovskite solar cells (PSCs), reaching 18.05% solar to energy conversion efficiency. The synthesis of these HTMs follows the push-and-pull approach to modulate the HOMO energy level by combining the BT group as an electron acceptor and diphenyl- and triphenyl-amines as electron donors. Here we show that despite adjusting the HOMO energy level to that of the perovskite is a believed requisite to achieve efficient interfacial hole transfer, additional factors must be taken into account to design novel and efficient HTMs, such as a high hole mobility, solubility in organic solvents, and thermal stability.
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Research context

Electronic materials

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

Institute of Chemical Research of Catalonia, The Barcelona Institute of Science and Technology (ICIQ-BIST), Avda. Països Catalans, 16, E-43007 Tarragona, Spain

Departament d’Enginyeria Electrònica, Elèctrica i Automàtica, Rovira i Virgili University, Avda. Països Catalans, 26, E-43007 Tarragona, Spain

Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1951 Sion, Switzerland

Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P.O. Box 80203, 21589 Jeddah, Saudi Arabia

Catalan Institution for Research and Advanced Studies, Passeig Lluís Companys, 23, E-08010 Barcelona, Spain

Funding

Schweizerischer Nationalfonds zur F?rderung der Wissenschaftlichen Forschung · Ministerio de Econom?a y Competitividad · Ag?ncia de Gesti? d'Ajuts Universitaris i de Recerca

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