Improving Performance of Perovskite Solar Cells Using [7]Helicenes with Stable Partial Biradical Characters as the Hole‐Extraction Layers
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Functional Materials"
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
Molecularly Imprinted Porous Aromatic Frameworks and Their Composite Components for Selective Extraction of Uranium Ions.
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DOI: 10.1002/adma.201706507
Abstract: Selective extraction of uranium from water has attracted worldwide attention because the largest source of uranium is seawater with various interference ions (Na+ , K+ , Mg2+ , Ca2+ , etc.). However, traditional adsorbents encapsulate most… read more here.
Keywords: extraction; imprinted porous; selective extraction; extraction uranium ... See more keywords
Hygroscopic Microgels-Enabled Rapid Water Extraction from Arid Air.
Sign Up to like & getrecommendations! Published in 2022 at "Advanced materials"
DOI: 10.1002/adma.202207786
Abstract: Sorbent-based atmospheric water harvesting (AWH) has emerged as a promising decentralized water production technology to mitigate the freshwater crisis in arid areas. Hydrogels have been regarded as attractive sorbents due to their high water retention… read more here.
Keywords: water; extraction; hygroscopic microgels; microgels enabled ... See more keywords
Quantifying Charge Extraction and Recombination Using the Rise and Decay of the Transient Photovoltage of Perovskite Solar Cells.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202300872
Abstract: The extraction of photogenerated charge carriers and the generation of a photovoltage belong to the fundamental functionalities of any solar cell. These processes happen not instantaneously but rather come with finite time constants, e.g., a… read more here.
Keywords: rise; transient photovoltage; extraction; rise decay ... See more keywords
On the Question of the Need for a Built‐In Potential in Perovskite Solar Cells
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DOI: 10.1002/admi.202000041
Abstract: DOI: 10.1002/admi.202000041 charge generation over a wide and tunable range,[4] but also exhibit high carrier mobilities and long diffusion lengths up to several microns.[5–7] In any light harvesting device, appropriate contacts are critical to efficiently… read more here.
Keywords: extraction; diffusion; layer; charge ... See more keywords
Accelerated Chemical Thermodynamics of Uranium Extraction from Seawater by Plant-Mimetic Transpiration.
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DOI: 10.1002/advs.202102250
Abstract: The extraction of uranium from seawater, which is an abundant resource, has attracted considerable attention as a viable form of energy-resource acquisition. The two critical factors for boosting the chemical thermodynamics of uranium extraction from… read more here.
Keywords: seawater; extraction; uranium extraction; plant ... See more keywords
Highly Efficient Electrocatalytic Uranium Extraction from Seawater over an Amidoxime‐Functionalized In–N–C Catalyst
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DOI: 10.1002/advs.202201735
Abstract: Seawater contains uranium at a concentration of ≈3.3 ppb, thus representing a rich and sustainable nuclear fuel source. Herein, an adsorption–electrocatalytic platform is developed for uranium extraction from seawater, comprising atomically dispersed indium anchored on… read more here.
Keywords: uranium extraction; highly efficient; extraction; seawater ... See more keywords
Dependable Contact Related Parameter Extraction in Graphene–Metal Junctions
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DOI: 10.1002/aelm.202000386
Abstract: The accurate extraction and the reliable, repeatable reduction of graphene - metal contact resistance (R$_{C}$) are still open issues in graphene technology. Here, we demonstrate the importance of following clear protocols when extracting R$_{C}$ using… read more here.
Keywords: voltage; extraction; graphene; contact ... See more keywords
Switching Off Hysteresis in Perovskite Solar Cells by Fine‐Tuning Energy Levels of Extraction Layers
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DOI: 10.1002/aenm.201703376
Abstract: Lead halide perovskites often suffer from a strong hysteretic behavior on their j-V response in photovoltaic devices that has been correlated with slow ion migration. Electron extraction layer has often been pointed as the main… read more here.
Keywords: extraction; switching hysteresis; energy; hysteresis ... See more keywords
Prevalence of hearing loss among noise-exposed workers within the Mining and Oil and Gas Extraction sectors, 2006-2015.
Sign Up to like & getrecommendations! Published in 2019 at "American journal of industrial medicine"
DOI: 10.1002/ajim.23031
Abstract: BACKGROUND The purpose of this study was to estimate the prevalence of hearing loss (HL) among noise-exposed US workers within the Mining, and Oil and Gas Extraction (OGE) sectors. METHODS Audiograms of 1.9 million workers… read more here.
Keywords: extraction; hearing loss; gas; prevalence ... See more keywords
Chemically functionalized silica nanoparticles‐based solid‐phase extraction for effective pre‐concentration of highly toxic metal ions from food and water samples
Sign Up to like & getrecommendations! Published in 2018 at "Applied Organometallic Chemistry"
DOI: 10.1002/aoc.4012
Abstract: In this research study, an efficient solid-phase extraction procedure based on a new organometallic, effective, eco-friendly and bio-degradable nanoadsorbent was firstly introduced for influential pre-concentration of Cu(II), Zn(II), Pb(II), Cd(II) and Mn(II) ions from food… read more here.
Keywords: pre concentration; extraction; food water; solid phase ... See more keywords