Interfacial Modulation through Mixed-Dimensional Heterostructures for Efficient and Hole Conductor-Free Perovskite Solar Cells

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The light and shade of perovskite solar cells

Michael Graetzel

Nature Publishing Group2014

Sub-Nanometer Conformal TiO2 Blocking Layer for High Efficiency Solid-State Perovskite Absorber Solar Cells

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A mere 2 nm conformal titanium dioxide overlayer coated by atomic layer deposition is shown to act as a blocking layer for high-efficiency solid-state perovskite (CH3NH3PbI3) absorber-based solar cells. Surpassing the existing multilayer passivation, this ...

Wiley-Blackwell2014

Atomic-Scale Observation of Multiconformational Binding and Energy Level Alignment of Ruthenium-Based Photosensitizers on TiO2 Anatase

Klaus Kern, Stephan Rauschenbach, Sebastian Stepanow, Feliciano Giustino, Gordon Rinke, Christopher Seiji Kley, Christian Alexander Stephan Dette

Dye-sensitized solar cells constitute a promising approach to sustainable and low-cost solar energy conversion. Their overall efficiency crucially depends on the effective coupling of the photosensitizers to the photoelectrode and the details of the dye's ...

Amer Chemical Soc2014

A hybrid lead iodide perovskite and lead sulfide QD heterojunction solar cell to obtain a panchromatic response

Michael Graetzel, Mohammad Khaja Nazeeruddin, Peng Gao, Peng Gao, Lioz Etgar, Peng Qin

We report for the first time on co-sensitization between CH3NH3PbI3 perovskite and PbS quantum dots (QDs) in a heterojunction solar cell to obtain a panchromatic response from the visible to near IR regions. Following the deposition of the sensitizers on a ...

Royal Society of Chemistry2014