Materials Design of Solar Cell Absorbers Beyond Perovskites and Conventional Semiconductors via Combining Tetrahedral and Octahedral Coordination.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201806593
Abstract: Tetrahedral coordination structures, e.g. crystalline Si, GaAs, CdTe, and octahedral coordination structures, e.g. perovskites, represent two classes of successful crystal structures hitherto for solar cell absorbers. Here, via first-principles calculations and crystal symmetry analysis, the… read more here.
Keywords: octahedral coordination; coordination; tetrahedral octahedral; cell absorbers ... See more keywords
Nanowire Solar Cell Above the Radiative Limit
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DOI: 10.1002/adom.202001636
Abstract: A lossless solar cell operating at the Shockley–Queisser limit generates an open circuit voltage (Voc) equal to the radiative limit. At Voc, the highly directional beam of photons from the sun is absorbed and subsequently… read more here.
Keywords: limit; solar cell; nanowire solar; radiative limit ... See more keywords
Organic Solar Cell With Efficiency Over 20% and V OC Exceeding 2.1 V Enabled by Tandem With All‐Inorganic Perovskite and Thermal Annealing‐Free Process
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DOI: 10.1002/advs.202200445
Abstract: Organic solar cells (OSCs) based on polymer donor and non‐fullerene acceptor achieve power conversion efficiency (PCE) more than 19% but their poor absorption below 550 nm restricts the harvesting of high‐energy photons. In contrast, wide… read more here.
Keywords: cell; organic solar; solar cell; thermal annealing ... See more keywords
Design of Imide Oligomer‐Mediated MOF Clusters for Solar Cell Encapsulation Systems by Interface Fusion Strategy
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DOI: 10.1002/advs.202206748
Abstract: Dielectric encapsulation materials are promising for solar cell areas, but the unsatisfactory light‐management capability and relatively poor dielectric properties restrict their further applications in photovoltaic and microelectronic devices. Herein, an interface fusion strategy to engineer… read more here.
Keywords: imide oligomer; solar cell; fusion strategy; encapsulation systems ... See more keywords
Benzo[1,2‐b:4,5‐b′]Dithiophene–6,7‐Difluoroquinoxaline Small Molecule Donors with >8% BHJ Solar Cell Efficiency
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DOI: 10.1002/aenm.201602804
Abstract: Solution-processable small molecule (SM) donors are promising alternatives to their polymer counterparts in bulk-heterojunction (BHJ) solar cells. While SM donors with favorable spectral absorption, self-assembly patterns, optimum thin-film morphologies, and high carrier mobilities in optimized… read more here.
Keywords: benzo dithiophene; small molecule; solar cell; dithiophene difluoroquinoxaline ... See more keywords
A Low‐Temperature Thin‐Film Encapsulation for Enhanced Stability of a Highly Efficient Perovskite Solar Cell
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DOI: 10.1002/aenm.201701928
Abstract: The stability of a perovskite solar cell (PSC) is enhanced significantly by applying a customized thin-film encapsulation (TFE). The TFE is composed of a multilayer stack of organic/inorganic layers deposited by initiated chemical vapor deposition… read more here.
Keywords: perovskite solar; psc; solar cell; thin film ... See more keywords
A Scalable Integrated Dopant‐Free Heterostructure to Stabilize Perovskite Solar Cell Modules
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DOI: 10.1002/aenm.202003301
Abstract: Perovskite solar cell (PSC) modules employing a hole transport layer (HTL) without unstable dopants possess high potential for improving operational stability. However, the low efficiencies of the devices greatly limit their commercial applications owing to… read more here.
Keywords: heterostructure; solar cell; perovskite solar; scalable integrated ... See more keywords
Present Status of Solution‐Processing Routes for Cu(In,Ga)(S,Se)2 Solar Cell Absorbers
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DOI: 10.1002/aenm.202003743
Abstract: Photovoltaic technologies offer a sustainable solution to the challenge of meeting increasing energy demands. Chalcopyrite Cu(In,Ga)(S,Se)2, short CIGS—thin‐film solar cells—having intrinsically p‐type absorbers with a tunable direct bandgap—exhibits one of the highest stabilized power conversion… read more here.
Keywords: present status; solution processing; solar cell; solution ... See more keywords
Lead‐Free Perovskites: Metals Substitution towards Environmentally Benign Solar Cell Fabrication
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DOI: 10.1002/cssc.201901296
Abstract: Perovskite solar cells have attracted significant attention during the current decade owing to their efficacy and photovoltaics performance, which has reached a new milestone in the thin-film category. Perovskite solar cells have witnessed a remarkable… read more here.
Keywords: metals substitution; free perovskites; perovskites metals; cell ... See more keywords
Decoupled Water Electrolysis Driven by 1 cm2 Single Perovskite Solar Cell Yielding a Solar-to-Hydrogen Efficiency of 14.4 .
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DOI: 10.1002/cssc.202202260
Abstract: Invited for this month's cover is the group of Yubin Chen at Xi'an Jiaotong University as well as collaborators at Shanghai Jiao Tong University. The image shows a decoupled water electrolysis system driven by a… read more here.
Keywords: decoupled water; solar cell; water electrolysis; perovskite solar ... See more keywords
Numerical simulation and performance measure of highly efficient GaP/InP/Si multi‐junction solar cell
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DOI: 10.1002/er.3708
Abstract: Summary A novel multi-junction GaP/InP/Si solar cells with improved p++AlGaAs/n++ AlGaAs tunnel junction model is designed using the Synopsys/RSoft/Solar cell utility software. The optical and electrical simulations of this cell are performed using the 2D… read more here.
Keywords: junction solar; cell; solar cell; multi junction ... See more keywords