Articles with "band edge" as a keyword



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Toward designing semiconductor-semiconductor heterojunctions for photocatalytic applications

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Published in 2018 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.07.192

Abstract: Abstract Semiconductor photocatalysts show a great potential for environmental and energy-related applications, however one of the major disadvantages is their relatively low photocatalytic performance due to the recombination of electron-hole pairs. Therefore, intensive research is… read more here.

Keywords: toward designing; semiconductor; band; band edge ... See more keywords
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Evaluating the impact of catalyst selection and semiconductor band edge on the photoelectrochemical production of H2O2 via a real-time in situ probe

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Published in 2020 at "Journal of Electroanalytical Chemistry"

DOI: 10.1016/j.jelechem.2020.114677

Abstract: Abstract Generating H2O2 through the use of photoelectrochemical cells (PECs) is attractive for integrating renewable energies into the production of this environmentally-friendly chemical oxidant. Here, we fabricate a PEC for producing H2O2, establish an effective… read more here.

Keywords: situ; production; band edge; pec ... See more keywords
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Effects of Yb doping on the structure and near band-edge emission of ZnO thin films on Si after high temperature annealing

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Published in 2020 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2020.117153

Abstract: Abstract In this work, we have investigated the effects of ytterbium (Yb) doping concentration on the structure and near band-edge (NBE) photoluminescence (PL) of ZnO thin films on Si after high temperature annealing. The films… read more here.

Keywords: temperature; zno; structure near; band edge ... See more keywords
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Dual-defects induced band edge reconstruction of tin dioxide via cobalt and nitrogen Co-Doping for wearable supercapacitor application

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Published in 2021 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2021.229685

Abstract: Abstract Dual-defects induced band edge reconstruction of tin dioxide (SnO2) via metal and non-metal ions co-doping strategy is applied to synthesize cobalt and nitrogen co-doped tin dioxide (Co, N-SnO2) on activated carbon fiber (ACF) for… read more here.

Keywords: band; band edge; tin dioxide;
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Efficient Band-Edge Emission from Indirect Bandgap Semiconductor Quantum Dots upon Shell Engineering.

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Published in 2023 at "Nano letters"

DOI: 10.1021/acs.nanolett.3c00008

Abstract: Environmentally friendly colloidal quantum dots (QDs) of groups III-V are in high demand for next-generation high-performance light-emitting devices for display and lighting, yet many of them (e.g., GaP) suffer from inefficient band-edge emission due to… read more here.

Keywords: band edge; emission; edge emission; shell ... See more keywords
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Inductive Effect of Lewis Acidic Dopants on the Band Levels of Perovskite for a Photocatalytic Reaction.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c11936

Abstract: Band-edge modulation of halide perovskites as photoabsorbers plays significant roles in the application of photovoltaic and photochemical systems. Here, Lewis acidity of dopants (M) as the new descriptor of engineering the band-edge position of the… read more here.

Keywords: band; lewis acidic; inductive effect; band edge ... See more keywords
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Steering the charge kinetics in dual-functional photocatalysis by surface dipole moments and band edge modulation: A defect study in TiO2-rGO-ZnS composite.

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Published in 2020 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.9b22418

Abstract: Developing an efficient photocatalyst for concurrent hydrogen production and environmental remediation by using solar energy is a challenge. Defect engineering although it offers a strategical promise to enhance the photocatalytic performance, the limitations come from… read more here.

Keywords: edge modulation; band edge; charge; study ... See more keywords
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Using Transmissive Photonic Band Edge Shift to Detect Explosives: A Study with 2,4,6-Trinitrotoluene (TNT)

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Published in 2017 at "ACS Photonics"

DOI: 10.1021/acsphotonics.6b00880

Abstract: Photonic crystals (PhCs) possess outstanding optical properties that can be exploited for chemical sensing. We utilized a three-dimensional close-packed PhC structure made of functionalized silica nanoparticles. They consist of alternating high and low refractive index… read more here.

Keywords: photonic band; band; band edge; edge shift ... See more keywords
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Ordered and Disordered Phases in Mo1−xWxS2 Monolayer

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-15286-9

Abstract: With special quasirandom structure approach and cluster expansion method combined with first-principle calculations, we explore the structure and electronic properties of monolayer Mo1−xWxS2 alloy with disordered phase and ordered phase. The phase transition from ordered… read more here.

Keywords: phase; mo1 xwxs2; disordered phase; ordered phase ... See more keywords
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Electrical modulation of a photonic crystal band-edge laser with a graphene monolayer.

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Published in 2018 at "Nanoscale"

DOI: 10.1039/c8nr01614c

Abstract: The electrical control of photonic crystal (PhC) lasers has been an attractive but challenging issue. Laser operation by electrical injection is of key importance for the viability and applicability of the PhC lasers. Another key… read more here.

Keywords: modulation; photonic crystal; band edge; graphene monolayer ... See more keywords
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Conduction band-edge valley splitting in two-dimensional ferroelectric AgBiP2S6 by magnetic doping: towards electron valley-polarized transport

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Published in 2022 at "RSC Advances"

DOI: 10.1039/d2ra01697d

Abstract: Two-dimensional valleytronic systems, using the valley index of carriers to perform logic operations, serves as the basis of the next-generation information technologies. For efficient use of the valley degree of freedom, the major challenge currently… read more here.

Keywords: conduction band; valley splitting; band edge; valley ... See more keywords