Results 51 to 60 of about 47,846 (307)

Towards anode with low indium content as effective anode in organic solar cells [PDF]

open access: yes, 2012
In2O3 thin films (100 nm thick) have been deposited by reactive evaporation of indium, in an oxygen partial atmosphere. Conductive (σ = 3.5×103 S/cm) and transparent films are obtained using the following experimental conditions: oxygen partial pressure =
LOUARN, Guy   +29 more
core   +1 more source

Chlorination‐Enabled Oxygen Control and Dual‐Sulfur Source Aided Trap Passivation to Unlock 8.24% Efficient Sb2S3 Photovoltaic Devices

open access: yesAdvanced Functional Materials, EarlyView.
This work demonstrates a scalable, low‐temperature synthesis strategy that combines a thioacetamide (TA)‐based dual sulfur source with CdS chlorination, enabling the formation of high‐quality Sb2S3 with a reduced open‐circuit voltage loss, resulting in improved device efficiency.
Vijay C. Karade   +16 more
wiley   +1 more source

Simulation of hybrid photovoltaic/fuel cell energy system [PDF]

open access: yes, 2013
Basically, Malaysia energy production has been always generated from crude oil and natural gas. Currently, Malaysia has 13GW of electrical generation capacity.
A. Shukor, Azim Shukri
core  

Ultra low-power photovoltaic MPPT technique for indoor and outdoor wireless sensor nodes [PDF]

open access: yes, 2011
Photovoltaic (PV) energy harvesting is commonly used to power wireless sensor nodes. To optimise harvesting efficiency, maximum power point tracking (MPPT) techniques are often used.
Weddell, Alex   +5 more
core   +1 more source

Self‐Adaptive Anhydrous Passivation Mitigates Open‐Circuit Voltage Loss in Pb‐Sn Mixed Perovskite Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
In this report, a self‐adaptive anhydrous passivation strategy is introduced by incorporating trimellitic anhydride (TMAH) into the perovskite precursor. In situ hydrolysis of TMAH yields trimellitic acid (TMA); ‐C═O/‐COO− groups of TMAH/TMA form a chelate with undercoordinated Pb2+/Sn2+, regulate nucleation, promote (100) orientation, passivate ...
Md. Ataur Rahman   +6 more
wiley   +1 more source

Designed Lewis Acid–Base Passivation for High Performance Perovskite Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Silicon's high cost and long energy payback time remain major barriers to the global expansion of solar power. In contrast, metal–halide perovskites offer abundant, solution‐processable absorbers, and have achieved efficiencies of 25%–30%, positioning them as strong competitors to silicon.
Afna Manaf   +4 more
wiley   +1 more source

Photonics in photovoltaic systems

open access: yes, 2008
This paper gives an overview on photonics for photovoltaic systems. Starting from the spectral and angular distribution of the electromagnetic radiation from the sun, many important optical approaches how to improve the efficiency of solar cells are ...
Andreas Gombert   +3 more
core   +1 more source

Charge Measurement of Dust Particles on Photovoltaic Module [PDF]

open access: yes, 2013
Photovoltaic (PV) systems are one of the most promising renewable energy sources in the world, and hence it is important to explore the factors that affect the working / operational efficiency of this source.
Kolhe, M.   +9 more
core   +1 more source

Extremely Long Electron Lifetime in Spontaneously Passivated Polycrystalline Perovskite Layers via Illumination‐Assisted Trap Filling

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Perovskite solar cells (PSCs) are promising next‐generation photovoltaics. The high performance of PSCs is attributed to the long carrier lifetimes of perovskite photoabsorbers. However, the carrier lifetimes of polycrystalline perovskite layers, which serve as the photoabsorbers in practical PSCs, have remained limited to several tens of ...
Naoyuki Nishimura   +2 more
wiley   +1 more source

Changes in the characteristics of silicon photovoltaic cells of solar arrays after current overloads

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2019
Recently, much attention has been paid to the study of the influence of current overloads and local overheating on the degradation of the electrical characteristics of the photovoltaic components of solar arrays.
Alexander Ivanchenko   +1 more
doaj   +1 more source

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