perovskite films
Additive-induced Crystallization of Inorganic Perovskite Films for Efficient Solar Cells
... hybrid perovskite solar cells (PSCs) have received extensive attention because of their high power conversion efficiency (PCE), yet their thermal stability is still not ...High-quality perovskite ...
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Enhancing the stability of organolead halide perovskite films through polymer encapsulation
... P3HT-nanotube composite within the hydrophobic PMMA and PC stock solutions and depositing onto the bare perovskite layer. However, the specic role of temperature and the materials properties of the encapsulation ...
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Giesbrecht, Nadja (2018): Methylammonium lead halide thin film crystallization for optoelectronic applications. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... whereas perovskite films on FTO result in crystals limited to hundreds of nanometers due to the enhanced surface roughness which limits horizontal ...of perovskite crystallite orientation in planar ...
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Hu, Yinghong (2018): Moisture stability of hybrid perovskite solar cells. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... 2D perovskite singles crystals and the corresponding thin films fabricated from DMF solutions without solvent additives indicates a large variety of n within these perovskite films evolving ...
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Wang_unc_0153D_18551.pdf
... thinner perovskite layer indicates the photocurrent output is most likely limited by charge carrier extraction, because the grain size of the zwitterion- stabilized films was only ~30 ...of ...
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The Influence of PbI2 on Characteristic of Organic Inorganic Hybrid Perovskite Thin Films
... organic-inorganic perovskite films were fabricated by two-step sequential deposition methods, which is helpful to investigate the effect of PbI 2 layer ...
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Effect of Oblique Angle Sputtered ITO Electrode in MAPbI3 Perovskite Solar Cell Structures
... of perovskite nucleation ...the perovskite thin film and a PEDOT:PSS thin film is inserted between the ITO and the perovskite, the surface properties of the ITO should not directly influence the ...
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Highly sensitive terahertz thin film total internal reflection spectroscopy reveals in situ photoinduced structural changes in methylammonium lead halide perovskites
... 15. Bi, D.; Yi, C.; Luo, J.; Décoppet, J.-D.; Zhang, F.; Zakeeruddin, S. M.; Li, X.; Hagfeldt, A.; Grätzel, M., Polymer-templated nucleation and crystal growth of perovskite films for solar cells with ...
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Realizing Full Coverage of Stable Perovskite Film by Modified Anti Solvent Process
... ovskite films, respectively. The measurement of the evo- lution of absorption spectra at different time courses and other experimental results (SEM, photos etc.) showed that the stability of the films was ...
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In situ simultaneous photovoltaic and structural evolution of perovskite solar cells during film formation
... TEC 8 and 10 glass substrates (XOP glass) were etched with zinc powder and 4 M HCl prior to sonication in Helmanex detergent solution, deionised water, and IPA. Substrates were transferred to a hotplate and heated to ...
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Highly reproducible perovskite solar cells via controlling the morphologies of the perovskite thin films by the solution processed two step method
... the perovskite thin films is one of the major ...literature, perovskite films were produced by various methods, which include vacuum thermal deposition and solution-processed deposition by ...
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Perovskite Solar Cells Fabricated by Using an Environmental Friendly Aprotic Polar Additive of 1,3 Dimethyl 2 imidazolidinone
... additives, such as N -methyl pyrrolidone and hexamethylphosphoramide. Here, we use an environmental friendly aprotic polar solvent, 1,3-dimethyl-2-imidazolidinone (DMI), to fabricate perovskite films. By ...
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Effect of Different CH3NH3PbI3 Morphologies on Photovoltaic Properties of Perovskite Solar Cells
... the perovskite solar cells prepared by low- and high-concentration MAI with different annealing temperatures, respect- ...the perovskite solar cells prepared by high- concentration MAI are higher around 2 ...
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Correlation Between the Preparation Methods and the Structural Morphologies of Organometallic Halide Perovskite Thin Films
... processable perovskite films is a necessary process in the path towards their high ...the films prepared using different deposition methods showed significant differences in ...
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Growth patterns and properties of aerosol assisted chemical vapor deposition of CH3NH3PbI3 films in a single step
... both perovskite and lead iodide thin films which we attribute to methylammonium iodide being the rate limiting step via mass ...black perovskite films demonstrated strong absorption and ...
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Methodologies for high efficiency perovskite solar cells
... solid‑state perovskite solar cell in 2012, perovskite solar cells based on lead halide perovskites having organic cations such as methylammonium CH 3 NH 3 PbI 3 or formamidinium HC(NH 2 ) 2 PbI 3 have ...
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Strong inheritance of texture between perovskite and post-perovskite in the D′′ layer
... host perovskite crystal, for the first sample ...the perovskite and post-‐perovskite are very close to coincidence (within about 1 degree) in all ...the perovskite b-‐axis, with a clear set ...
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Thiolated truxene derivatives as hole-transporting materials for efficient perovskite solar cells
... on perovskite surface immediately inhibite to enter water molecules into perovskite film and significantly enhance the stability of ...between perovskite and ...
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Manganese Oxide Promoted LaCoO3 Nano-Perovskite for Oxidation of a Model Exhaust Gas
... cobaltite perovskite structure is not affected by the manganese ...smaller perovskite crystallite size, however, is observed upon manganese oxide ...
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Keenan_unc_0153D_17758.pdf
... always easy for many organic small molecules and polymers (just ask the grad students in the Wei You group). Because of this, a large amount of research has gone into the development and improvement of P3HT transistors ...
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