Solution-Processed Metal Oxide Nanocrystals as Carrier Transport Layers in Organic and Perovskite Solar Cells
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DOI: 10.1002/adfm.201804660
Abstract: There has been rapid progress in solution-processed organic solar cells (OSCs) and perovskite solar cells (PVSCs) toward low-cost and highthroughput photovoltaic technology. Carrier (electron and hole) transport layers (CTLs) play a critical role in boosting… read more here.
Keywords: solution processed; transport layers; perovskite solar; transport ... See more keywords
Hydrothermally Treated SnO2 as the Electron Transport Layer in High‐Efficiency Flexible Perovskite Solar Cells with a Certificated Efficiency of 17.3%
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DOI: 10.1002/adfm.201807604
Abstract: Perovskite solar cells (PSCs) are one of the most promising solar energy conversion technologies owing to their rapidly developing power conversion efficiency (PCE). Low‐temperature solution processing of the perovskite layer enables the fabrication of flexible… read more here.
Keywords: electron transport; layer; perovskite solar; efficiency ... See more keywords
NbF5: A Novel α‐Phase Stabilizer for FA‐Based Perovskite Solar Cells with High Efficiency
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DOI: 10.1002/adfm.201807850
Abstract: The HC(NH2)2+(FA+) is a well‐known substitute to CH3NH3+(MA+) for its capability to extend light utilization for improved power conversion efficiency for perovskite solar cells; unfortunately, the dark cubic phase (α‐phase) can easily transition to the… read more here.
Keywords: solar cells; phase; perovskite solar; efficiency ... See more keywords
Improving Performance of Perovskite Solar Cells Using [7]Helicenes with Stable Partial Biradical Characters as the Hole‐Extraction Layers
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DOI: 10.1002/adfm.201808625
Abstract: Organic–inorganic hybrid perovskites have realized a high power conversion efficiency (PCE) in both n–i–p and p–i–n device configurations. However, since the p–i–n structure exempts the sophisticated processing of charge‐transporting layers, it seems to possess better… read more here.
Keywords: perovskite; extraction; partial biradical; perovskite solar ... See more keywords
Conjugated Polymer–Assisted Grain Boundary Passivation for Efficient Inverted Planar Perovskite Solar Cells
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DOI: 10.1002/adfm.201808855
Abstract: Grain boundaries in lead halide perovskite films lead to increased recombination losses and decreased device stability under illumination due to defect-mediated ion migration. The effect of a conjugated polymer additive, poly(bithiophene imide) (PBTI), is investigated… read more here.
Keywords: inverted planar; perovskite solar; planar perovskite; conjugated polymer ... See more keywords
A Simple Way to Simultaneously Release the Interface Stress and Realize the Inner Encapsulation for Highly Efficient and Stable Perovskite Solar Cells
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DOI: 10.1002/adfm.201905336
Abstract: The mixed halide perovskites have become famous for their outstanding photoelectric conversion efficiency among new‐generation solar cells. Unfortunately, for perovskites, little effort is focused on stress engineering, which should be emphasized for highly efficient solar… read more here.
Keywords: perovskite; stress; perovskite solar; efficiency ... See more keywords
Synergistic Coassembly of Highly Wettable and Uniform Hole‐Extraction Monolayers for Scaling‐up Perovskite Solar Cells
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DOI: 10.1002/adfm.201909509
Abstract: All organic charge‐transporting layer (CTL)‐featured perovskite solar cells (PSCs) exhibit distinct advantages, but their scaling‐up remains a great challenge because the organic CTLs underneath the perovskite are too thin to achieve large‐area homogeneous layers by… read more here.
Keywords: scaling perovskite; extraction monolayers; hole extraction; perovskite solar ... See more keywords
2D/3D Heterostructure for Semitransparent Perovskite Solar Cells with Engineered Bandgap Enables Efficiencies Exceeding 25% in Four‐Terminal Tandems with Silicon and CIGS
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DOI: 10.1002/adfm.201909919
Abstract: Wide-bandgap perovskite solar cells (PSCs) with optimal bandgap (E$_{g}$) and high power conversion efficiency (PCE) are key to high-performance perovskite-based tandem photovoltaics. A 2D/3D perovskite heterostructure passivation is employed for double-cation wide-bandgap PSCs with engineered… read more here.
Keywords: bandgap; perovskite solar; four terminal; engineered bandgap ... See more keywords
Simultaneous Power Conversion Efficiency and Stability Enhancement of Cs 2 AgBiBr 6 Lead‐Free Inorganic Perovskite Solar Cell through Adopting a Multifunctional Dye Interlayer
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DOI: 10.1002/adfm.202001557
Abstract: Perovskite solar cells (PSCs) are highly promising next-generation photovoltaic devices because of the cheap raw materials, ideal band gap of ≈1.5 eV, broad absorption range, and high absorption coefficient. Although lead-based inorganic-organic PSC has achieved… read more here.
Keywords: lead free; perovskite solar; power conversion; interlayer ... See more keywords
Unraveling Doping Capability of Conjugated Polymers for Strategic Manipulation of Electric Dipole Layer toward Efficient Charge Collection in Perovskite Solar Cells
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DOI: 10.1002/adfm.202001560
Abstract: Developing electrical organic conductors is challenging because of the difficulties involved in generating free charge carriers through chemical doping. To devise a novel doping platform, the doping capabilities of four designed conjugated polymers (CPs) are… read more here.
Keywords: charge collection; perovskite solar; layer; charge ... See more keywords
Dual Interfacial Modification Engineering with 2D MXene Quantum Dots and Copper Sulphide Nanocrystals Enabled High‐Performance Perovskite Solar Cells
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DOI: 10.1002/adfm.202003295
Abstract: The performance of perovskite solar cells (PSCs) strongly depends on the electron transport layer (ETL), perovskite absorber, hole transport layer (HTL), and their interfaces. Herein, the first approach to utilize ultrathin 2D titanium‐carbide MXenes (Ti3C2Tx… read more here.
Keywords: perovskite; performance perovskite; spectroscopy; perovskite solar ... See more keywords