Search Results - "Yang, Yingguo"
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Thermodynamically stabilized β-CsPbI3–based perovskite solar cells with efficiencies >18
Published in Science (American Association for the Advancement of Science) (09-08-2019)“…Orthorhombic phases for perovskite solar cellsThe power conversion efficiencies (PCEs) of all-inorganic perovskites are lower than those of materials with…”
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Dimension control of in situ fabricated CsPbClBr2 nanocrystal films toward efficient blue light-emitting diodes
Published in Nature communications (22-12-2020)“…In the field of perovskite light-emitting diodes (PeLEDs), the performance of blue emissive electroluminescence devices lags behind the other counterparts due…”
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Smoothing the energy transfer pathway in quasi-2D perovskite films using methanesulfonate leads to highly efficient light-emitting devices
Published in Nature communications (23-02-2021)“…Quasi-two-dimensional (quasi-2D) Ruddlesden–Popper (RP) perovskites such as BA 2 Cs n –1 Pb n Br 3 n +1 (BA = butylammonium, n > 1) are promising emitters,…”
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Efficient and stable Ruddlesden–Popper perovskite solar cell with tailored interlayer molecular interaction
Published in Nature photonics (01-03-2020)“…Two-dimensional Ruddlesden–Popper phase (2DRP) perovskites are known to exhibit improved photostability and environmental stability compared with their…”
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Solution-processed perovskite light emitting diodes with efficiency exceeding 15% through additive-controlled nanostructure tailoring
Published in Nature communications (24-09-2018)“…Organometal halide perovskites (OHP) are promising materials for low-cost, high-efficiency light-emitting diodes. In films with a distribution of…”
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Enhanced photoelectrical response of thermodynamically epitaxial organic crystals at the two-dimensional limit
Published in Nature communications (14-02-2019)“…Owing to strong light-matter interaction, two-dimensional (2D) organic crystal is regarded as promising materials for ultrasensitive photodetectors, however it…”
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Synthesis-on-substrate of quantum dot solids
Published in Nature (London) (22-12-2022)“…Perovskite light-emitting diodes (PeLEDs) with an external quantum efficiency exceeding 20% have been achieved in both green and red wavelengths 1 – 5 ;…”
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Implementing an intermittent spin-coating strategy to enable bottom-up crystallization in layered halide perovskites
Published in Nature communications (15-11-2021)“…Two-dimensional halide perovskites (2D PVSKs) have drawn tremendous attentions owing to their outstanding ambient stability. However, the random orientation of…”
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Surface Ligand Management Aided by a Secondary Amine Enables Increased Synthesis Yield of CsPbI3 Perovskite Quantum Dots and High Photovoltaic Performance
Published in Advanced materials (Weinheim) (01-08-2020)“…Lead‐halide perovskite quantum dots (PQDs) or more broadly, nanocrystals possess advantageous features for solution‐processed photovoltaic devices. The…”
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One-stone-for-two-birds strategy to attain beyond 25% perovskite solar cells
Published in Nature communications (15-02-2023)“…Even though the perovskite solar cell has been so popular for its skyrocketing power conversion efficiency, its further development is still roadblocked by its…”
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Orientated crystallization of FA-based perovskite via hydrogen-bonded polymer network for efficient and stable solar cells
Published in Nature communications (02-02-2023)“…Incorporating mixed ion is a frequently used strategy to stabilize black-phase formamidinum lead iodide perovskite for high-efficiency solar cells. However,…”
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Structurally Reconstructed CsPbI2Br Perovskite for Highly Stable and Square‐Centimeter All‐Inorganic Perovskite Solar Cells
Published in Advanced energy materials (14-02-2019)“…Although all‐inorganic perovskite solar cells (PSCs) demonstrate high thermal stability, cesium‐lead halide perovskites with high iodine content suffer from…”
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Alternative Organic Spacers for More Efficient Perovskite Solar Cells Containing Ruddlesden–Popper Phases
Published in Journal of the American Chemical Society (18-11-2020)“…The halide perovskite Ruddlesden–Popper (RP) phases are a homologous layered subclass of solution-processable semiconductors that have aroused great attention,…”
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Conjugated Molecules “Bridge”: Functional Ligand toward Highly Efficient and Long‐Term Stable Perovskite Solar Cell
Published in Advanced functional materials (25-04-2019)“…Interfacial ligand passivation engineering has recently been recognized as a promising avenue, contributing simultaneously to the optoelectronic…”
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Lifetime over 10000 hours for organic solar cells with Ir/IrOx electron-transporting layer
Published in Nature communications (04-03-2023)“…The stability of organic solar cells is a key issue to promote practical applications. Herein, we demonstrate that the device performance of organic solar…”
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Metal chalcogenide electron extraction layers for nip-type tin-based perovskite solar cells
Published in Nature communications (01-11-2024)“…Tin-based perovskite solar cells have garnered attention for their biocompatibility, narrow bandgap, and long thermal carrier lifetime. However, nip -type…”
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Annealing Induced Re-crystallization in CH3NH3PbI3−xClx for High Performance Perovskite Solar Cells
Published in Scientific reports (21-04-2017)“…Using poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) as hole conductor, a series of inverted planar CH 3 NH 3 PbI 3−x Cl x perovskite solar…”
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Large organic cation incorporation induces vertical orientation growth of Sn-based perovskites for high efficiency solar cells
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (15-12-2020)“…•A new organic cation ethylammonium is successfully incorporated into CH3NH3SnI3(MASnI3).•High quality of Sn-based perovskite film is obtained via EAI…”
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Enhanced charge carrier transport and defects mitigation of passivation layer for efficient perovskite solar cells
Published in Nature communications (04-10-2024)“…Surface passivation has been developed as an effective strategy to reduce trap-state density and suppress non-radiation recombination process in perovskite…”
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Crystallization and Orientation Modulation Enable Highly Efficient Doctor-Bladed Perovskite Solar Cells
Published in Nano-micro letters (01-12-2023)“…Highlights High quality and strongly oriented perovskite films are prepared by two step doctor blading in air. Methylammonium chloride induced low dimensional…”
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