Articles with "energy band" as a keyword



Building Fast Proton‐Coupled Electron Transport Paths for Accelerating Reduction Reactions in Solar Cells Under Sunlight and Indoor Lighting: Modulating Energy Band Structure and Surface Reactions

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202510467

Abstract: The photovoltaic conversion efficiency of solar cells critically depends on electron transport and mass diffusion at electrode‐electrolyte interfaces. In this study, innovative BCN@Fe3C and PCN@Fe3C heterojunction catalysts are developed through tuning their energy band structure… read more here.

Keywords: electron transport; proton coupled; energy band; solar cells ... See more keywords

Semimetal‐in‐Oxide Composites with Self‐Formed Energy‐Band Gradients for High‐Performance Infrared Photodetection

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202520501

Abstract: High‐performance, low‐cost, and energy‐efficient infrared (IR) photodetectors are central to next‐generation sensing technologies, but their advancement is constrained by the intrinsic limitations of conventional materials and band structure design. Here, a semimetal‐in‐oxide tellurium composite (Te‐in‐TeOx) with… read more here.

Keywords: band; high performance; energy band; semimetal oxide ... See more keywords

High‐Performance Organic Field‐Effect Transistor with Matching Energy‐Band Alignment between Organic Semiconductor and the Charge‐Trapping Dielectric

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Published in 2019 at "Advanced Electronic Materials"

DOI: 10.1002/aelm.201800865

Abstract: High‐performance bottom‐gate nonvolatile organic field‐effect transistor (OFET) devices based on a special matching energy‐band alignment between the organic semiconductor pentacene and the charge‐trapping dielectric ZnTe are reported. The lower potential difference between the conduction band… read more here.

Keywords: high performance; band alignment; organic field; band ... See more keywords
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Energy band engineering and interface transfer strategies to optimize photocatalytic hydrogen evolution performance

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Published in 2021 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2021.149137

Abstract: Abstract The design of energy band structures and the construction of composite materials are effective ways to improve photocatalytic activity. Hence, ZnxCd1−xIn2S4/MoS2 composites were first prepared in this work by combining ZnxCd1−xIn2S4 solid solution and… read more here.

Keywords: energy band; transfer; hydrogen evolution; mos2 ... See more keywords

Control of energy band, layer structure and vacancy defect of graphitic carbon nitride by intercalated hydrogen bond effect of NO3− toward improving photocatalytic performance

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2018.09.112

Abstract: Abstract Simultaneously exploration control of energy band, layer structure and vacancy defect of semiconductor photocatalysts for hydrogen (H2) evolution is highly desirable. For this purpose, the ultrathin graphitic carbon nitride (ug-C3N4) are prepared by intercalated… read more here.

Keywords: band layer; layer structure; energy band; vacancy ... See more keywords

Tailoring energy band gap and optical absorption of Cd doped MnTe2

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Published in 2020 at "Chemical Physics"

DOI: 10.1016/j.chemphys.2020.111059

Abstract: Abstract We have used the full potential-linearized augmented plane wave method to predict the structural, electronic and optical properties of Mn1-xCdxTe2 compounds (x = 0, 0.25, 0.50, 0.625, 0.75, 0.875, 0.968, 1.0). The bands near… read more here.

Keywords: absorption; band gap; energy; energy band ... See more keywords

Tunable dielectric behaviour and energy band gap range of ZnAl2O4 ceramics mediated by Mg substitution

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Published in 2017 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2017.07.104

Abstract: Abstract In this work, we report a systematic variation in the band gap of stoichiometric Zn 1−x Mg x Al 2 O 4 ceramics with varying contents of Mg (x), x = 0.0, 0.2, 0.4, 0.6, 0.8… read more here.

Keywords: band gap; range; energy band; band ... See more keywords
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Tailoring energy band gap and microwave absorbing features of graphite-like carbon nitride (g-C3N4)

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Published in 2021 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2021.159039

Abstract: Abstract Currently, two-dimensional (2D) nanostructures have attracted considerable attentions originated from their salient features. Accordingly, the widespread methods have been used to improve their abilities. In this study, g-C3N4 2D structure was synthesized using a… read more here.

Keywords: gap microwave; tailoring energy; microwave absorbing; absorbing features ... See more keywords

Graphene oxide quantum dot-sensitized porous titanium dioxide microsphere: Visible-light-driven photocatalyst based on energy band engineering.

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Published in 2017 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2017.03.048

Abstract: We report a novel graphene oxide quantum dot (GOQD)-sensitized porous TiO2 microsphere for efficient photoelectric conversion. Electro-chemical analysis along with the Mott-Schottky equation reveals conductivity type and energy band structure of the two semiconductors. Based… read more here.

Keywords: graphene oxide; energy band; oxide quantum; visible light ... See more keywords

Magnetic binary metal oxide intercalated g-C3N4: Energy band tuned p-n heterojunction towards Z-scheme photo-Fenton phenol reduction and mixed dye degradation

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Published in 2019 at "Journal of water process engineering"

DOI: 10.1016/j.jwpe.2019.100968

Abstract: Abstract The magnetic ZnFe2O4 (ZFO) intercalated g-C3N4 (g-CN) energy band tuned p-n heterojunction has been successively synthesized by facile sol-gel followed calcination method. The various analytical characterization techniques were carried out on the prepared photocatalysts… read more here.

Keywords: energy band; heterojunction; degradation; photo fenton ... See more keywords

Study on the electronic structure and optical properties of TiN films based on the first-principle

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Published in 2018 at "Physica B: Condensed Matter"

DOI: 10.1016/j.physb.2018.05.008

Abstract: Abstract Base on the first-principles, the energy band and optical properties of TiN thin films were modeled by the materials studio (MS) programm. The energy band, total density of states (DOS), dielectric function, absorption and… read more here.

Keywords: energy; optical properties; energy band; structure ... See more keywords