Nonfullerene Polymer Solar Cells based on a Perylene Monoimide Acceptor with a High Open‐Circuit Voltage of 1.3 V
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DOI: 10.1002/adfm.201603892
Abstract: Nonfullerene polymer solar cells (PSCs) are fabricated with a perylene monoimide-based n-type wide-bandgap organic semiconductor PMI-F-PMI as an acceptor and a bithienyl-benzodithiophene-based wide-bandgap copolymer PTZ1 as a donor. The PSCs based on PTZ1:PMI-F-PMI (2:1, w/w)… read more here.
Keywords: perylene monoimide; pmi; nonfullerene polymer; polymer solar ... See more keywords
Long Minority‐Carrier Diffusion Length and Low Surface‐Recombination Velocity in Inorganic Lead‐Free CsSnI3 Perovskite Crystal for Solar Cells
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DOI: 10.1002/adfm.201604818
Abstract: Sn-based perovskites are promising Pb-free photovoltaic materials with an ideal 1.3 eV bandgap. However, to date, Sn-based thin film perovskite solar cells have yielded relatively low power conversion efficiencies (PCEs). This is traced to their… read more here.
Keywords: diffusion; solar cells; cssni3; minority carrier ... See more keywords
PtCoFe Nanowire Cathodes Boost Short-Circuit Currents of Ru(II)-Based Dye-Sensitized Solar Cells to a Power Conversion Efficiency of 12.29%
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DOI: 10.1002/adfm.201703282
Abstract: PtCoFe nanowires with different alloying compositions are chemically prepared and acted as counter electrodes (CEs) in dye-sensitized solar cells (DSSCs) with Ru(II)-based dyes. Due to their superior I3− reduction activity, PtCoFe nanowires with rich (111)… read more here.
Keywords: ptcofe; dye sensitized; sensitized solar; power conversion ... See more keywords
Efficiency Enhancement of Single-Walled Carbon Nanotube-Silicon Heterojunction Solar Cells Using Microwave-Exfoliated Few-Layer Black Phosphorus
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DOI: 10.1002/adfm.201704488
Abstract: Carbon nanotube-silicon (CNT-Si)-based heterojunction solar cells (HJSCs) are a promising photovoltaic (PV) system. Herein, few-layer black phosphorus (FL-BP) sheets are produced in N-methyl-2-pyrrolidone (NMP) using microwave-assisted liquid-phase exfoliation and introduced into the CNTs-Si-based HJSCs for… read more here.
Keywords: layer black; carbon nanotube; nanotube silicon; cnt ... See more keywords
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
Quasiepitaxy Strategy for Efficient Full‐Inorganic Sb2S3 Solar Cells
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DOI: 10.1002/adfm.201901720
Abstract: Antimony sulfide (Sb2S3) as a wide‐bandgap, nontoxic, and stable photovoltaic material reveals great potential for the uppermost cells in Si‐based tandem cell stacks. Sb2S3 solar cells with a compatible process, acceptable cost, and high efficiency… read more here.
Keywords: full inorganic; sb2s3; sb2s3 solar; quasiepitaxy strategy ... See more keywords
Solution‐Processed Laminated Perovskite Layers for High‐Performance Solar Cells
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DOI: 10.1002/adfm.201903330
Abstract: Laminated multilayers of perovskite films with different optical and electronic characteristics will easily realize high‐performance optoelectronic devices because it is widely demonstrated that differential distribution of film properties in the vertical direction of devices plays… read more here.
Keywords: high performance; perovskite layers; performance; solution ... See more keywords