DataVXAdvanced Energy MaterialsPaper
journal article·2016-01Open access

Enhanced Efficiency and Stability of Perovskite Solar Cells Through Nd‐Doping of Mesostructured TiO2

Bart Roose, Karl C. Gödel, Sandeep Pathak, Aditya Sadhanala, Juan Pablo Correa Baena, Bodo D. Wilts, Henry J. Snaith, Ulrich Wiesner, Michael Grätzel, Ullrich Steiner, Antonio Abate

Advanced Energy Materials· Volume 6· Issue 2
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Source abstract

Abstract

Block‐copolymer templated chemical solution deposition is used to prepare mesoporous Nd‐doped TiO2 electrodes for perovskite‐based solar cells. X‐ray diffraction and photothermal deflection spectroscopy show substitutional incorporation into the TiO2 crystal lattice for low Nd concentration, and increasing interstitial doping for higher concentrations. Substitutional Nd‐doping leads to an increase in stability and performance of perovskite solar cells by eliminating defects and thus increasing electron transport and reducing charge recombination in the mesoporous TiO2. The optimized doping concentration of 0.3% Nd enables the preparation of perovskite solar cells with stabilized power conversion efficiency of >18%.
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Research context

Electronic materialsMaterials processing

OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties · Conducting polymers and applications

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

Affiliations

Adolphe Merkle Institute Chemin des Verdiers 4 CH‐1700 Fribourg Switzerland

Cavendish Laboratory Department of Physics University of Cambridge J. J. Thomson Avenue Cambridge CB3 0HE UK

Clarendon Laboratory Department of Physics University of Oxford Parks Road Oxford OX1 3PU UK

Swiss Federal Institute of Technology (EPFL) Laboratory of Photonics and Interfaces Station 6 CH‐1015 Lausanne Switzerland

Materials Science and Engineering Cornell University Ithaca NY 14853 USA

Funding

European Union's Seventh Framework Programme for research, technological development, and demonstration · Indo-UK APEX project

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