journal article·2021-01Open access

Robust Inorganic Hole Transport Materials for Organic and Perovskite Solar Cells: Insights into Materials Electronic Properties and Device Performance

Azhar Fakharuddin, Maria Vasilopoulou, Anastasia Soultati, Muhammad Irfan Haider, Joe Briscoe, Vasileios Fotopoulos, Diego Di Girolamo, Dimitris Davazoglou, Alexander Chroneos, Abd. Rashid bin Mohd Yusoff, Antonio Abate, Lukas Schmidt-Mende, Mohammad Khaja Nazeeruddin

Solar RRL· Volume 5· Issue 1

Abstract

Interfaces in perovskite and organic solar cells play a central role in advancing efficiency and prolong device durability. They improve charge transport/transfer from the absorber layer to the collecting electrodes, while also blocking the opposite charge carriers, minimize voltage losses by suppressing charge recombination. and may act as buffer/protective layers and nanomorphology regulators for the absorber layer. One such interface is formed by the hole transport layer (HTL) and the organic/perovskite absorber. These HTLs typically consist of organic semiconductors, which, although are solution processable at low temperatures and allow perfect energy‐level alignment with the absorber layer and therefore efficient charge collection, are prone to degradation in ambient conditions and under continuous light exposure. In a quest for robust alternatives, inorganic materials such as metal oxides, graphene oxide, bronzes, copper thiocyanate, and transition metal dichalcogenides are actively investigated. However, their hole extraction capability is inferior compared with organic semiconductors as they possess specific energetics leading to significant charge extraction barriers and moderate charge collection. To achieve further advancements in their hole transporting capabilities, strongly interconnecting knowledge of their synthesis, electronic properties, and device performance metrics is required.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Organic Electronics and Photovoltaics

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

Affiliations

Department of Physics University of Konstanz 78457 Konstanz Germany

Institute of Nanoscience and Nanotechnology National Center for Scientific Research “Demokritos” 15341 Agia Paraskevi Attica Greece

Department of Chemistry Quaid-i-Azam University Islamabad 45320 Pakistan

Department of Chemistry University of Wah 47040 Wah Pakistan

School of Engineering and Materials Research Institute Queen Mary University of London Mile End Road London E1 4NS UK

Helmholtz-Zentrum Berlin für Materialien und Energie Kekuléstraße 5 12489 Berlin Germany

Faculty of Engineering, Environment and Computing Coventry University Priory Street Coventry CV1 5FB UK

Department of Physics Swansea University Vivian Tower, Singleton Park SA2 8PP Swansea UK

Department of Chemical, Materials and Production Engineering University of Naples Federico II Piazzale Tecchio 80 80125 Fuorigrotta Italy

State Key Laboratory of Photocatalysis on Energy and Environment Institute of Advanced Energy Materials Fuzhou University Fuzhou Fujian 350002 China

Institute of Chemical Sciences and Engineering École Polytechnique Fédérale de Lausanne (EPFL) Rue de l'Industrie 17 CH-1951 Sion Switzerland

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