期刊
ADVANCED ENERGY MATERIALS
卷 6, 期 2, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201501868
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资金
- European Union [291771]
- Indo-UK APEX project
- Swiss National Science Foundation [NRP70, 153990]
- EPSRC [EP/M023532/1, EP/G049653/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/G049653/1, EP/M023532/1] Funding Source: researchfish
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 effi ciency of > 18%.
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