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I. Ka, B. Gonfa, V. Le Borgne, D. Ma and M. A. El Khakani Pulsed Laser Ablation Based Synthesis of PbS-Quantum Dots-Decorated One-Dimensional Nanostructures and Their Direct Integration into Highly Efficient Nanohybrid Heterojunction-Based Solar Cells Advanced Functional Materials 24

Version of Record online: 19 MAR 2014 | DOI: 10.1002/adfm.201304191

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Pulsed laser deposition (PLD) is advantageously used to decorate TiO2-nano rods (TiO2-NRs) with PbS-quantum dots (PbS-QDs) to achieve highly efficient nanohybrid-heterojunctions (NH-HJ) solar cells. By optimizing the characteristics of both PLD-deposited PbS-QDs and TiO2-NRs, while introducing MoO3 hole extracting layer and single-wall carbon nanotubes efficient charge carrier, NH-HJ PV-devices exhibit power conversion efficiencies as high as 5.3% (under AM1.5 solar illumination).

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