Results 141 to 150 of about 18,048 (289)

Multi-site passivation agent for efficient tandem solar cells: Simultaneously suppressing defect recombination in NiOx surface, perovskite buried interface, and silicon edge

open access: yeseScience
Wide-band gap perovskites combined with silicon (Si) in tandem solar cells offer a cost-effective path to industrialization. However, surface recombination at the buried interface of perovskite solar cells (PSCs) and the edge surface of Si solar cells ...
Xinru Wang   +8 more
doaj   +1 more source

Understanding the physics of perovskite solar cells for stable and efficient multijunction photovoltaics

open access: yes
Over the past decade, metal halide perovskites have significantly stirred up the field of photovoltaic research. Despite the remarkable increase in efficiency, there is still a lack of comprehensive understanding regarding the device physics and ...
Thiesbrummel, Jarla
core   +1 more source

Sulfonated Bathocuproine Derivatives as Chemically Bonded Buried‐Interface Engineers for n–i–p Perovskite Solar Cells

open access: yesAdvanced Science, EarlyView.
A BCP‐derived buried‐interface strategy establishes Na‐BCS as a chemically bonded molecular bridge. By combining sulfonate anchoring to SnO2 with preserved BCP–Pb2+ coordination, Na‐BCS simultaneously passivates oxide‐ and perovskite‐side defects, suppresses non‐radiative recombination, and delivers a surface recombination velocity of 8.6 cm s−1, a ...
Dong Hyun Kim   +9 more
wiley   +1 more source

Inorganic metal halide perovskite solar cell devices

open access: yes, 2022
Perovskite solar cell has been attracting tremendous attention in the photovoltaic device research area for the past decade. Its material's optoelectonic properties make the perovskite a perfect candidate for the solar cell device.
Zhu, Junhao
core  

Junction Physics and Architectural Paradigms in Optoelectronic Semiconductor Fibers

open access: yesAdvanced Science, EarlyView.
Optoelectronic fibers are emerging as a key platform for distributed sensing, energy harvesting, and optical communication in deformable systems. Their performance is fundamentally governed by junction formation under confined, dynamic processing conditions.
Hailiang Wang   +4 more
wiley   +1 more source

Mixed‐Polymer Hole Transport Layers Reinforce Au‐Anode Top Emitting Perovskite Light Emitting Diodes

open access: yesAdvanced Science, EarlyView.
Au‐anode corrosion is shown to occur rapidly under voltage bias in MAPbI3 perovskite LEDs. Resulting Au+ migration quickly leads to device shorting and unstable emission during constant current driving. We demonstrate that using a simple mixed‐polymer hole transport layer containing polyTPD and PVK can reduce Au‐corrosion and stabilize LED operation ...
James C. Loy   +5 more
wiley   +1 more source

Integrated Photoelectrode and Electrolyte Engineering via Carbon Quantum Dots for Self‐Powered H2O/O2‐Mediated Portable Photoelectrochemical Cells

open access: yesAdvanced Science, EarlyView.
Surface‐charged N‐CQDs serve as both electrolyte additives and photocathode modifiers. Electrodeposited N‐CQDs on Cu2O form a stable composite, steering 4e− ORR toward water. A quasi‐solid electrolyte with N‐CQDs aids charge migration, electrode‐electrolyte interfacial compatibility and replenishes active sites.
Yang Wu   +12 more
wiley   +1 more source

Four-Terminal Perovskite/Perovskite/Silicon Triple-Junction Tandem Solar Cells with over 30% Power Conversion Efficiency

open access: yes
The first four-terminal perovskite/perovskite/silicon triple-junction tandem solar cells are reported, with the device structure comprising a perovskite single-junction top cell and monolithic perovskite/silicon tandem bottom cell, yielding a 31.5% power
Zhang, Xuechun   +6 more
core   +1 more source

Advancing the Design of High‐Efficiency Printable Hole‐Conductor‐Free Mesoscopic Perovskite Solar Cells Through Machine Learning

open access: yesAdvanced Science, EarlyView.
Based on the largest printable mesoscopic perovskite solar cells database we established, stacking model achieved precise PCE prediction (R2 = 0.73, MAE = 2.18%). Multiple experiments verified the accuracy of the model, which guided the fabrication of high‐PCE devices with an efficiency of 19.36%.
Hao Meng   +9 more
wiley   +1 more source

Emerging Solar Technologies: Perovskite Solar Cell [PDF]

open access: yes, 2017
Conversion of sunlight to electricity with high conversion efficiencies at low cost is possible with emerging photovoltaic technologies. Organic–inorganic halide perovskite, a newcomer in the solar cell industry has proved its potential for increasing ...
Mutalikdesai, Amruta   +1 more
core  

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