Articles with "double heterojunction" as a keyword



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2D Cu9 S5 /PtS2 /WSe2 Double Heterojunction Bipolar Transistor with High Current Gain.

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Published in 2021 at "Advanced materials"

DOI: 10.1002/adma.202106537

Abstract: Bipolar junction transistor (BJT), one important circuit element in the integrated circuits, is now widely used in high-speed computation and communication for its capability of high-power signal amplification. 2D materials and their heterostructures are promising… read more here.

Keywords: heterojunction bipolar; gain; current gain; injection efficiency ... See more keywords
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Study on Ge/GeSn double heterojunction vertical cavity surface emitting laser enabled by ultra‐injection technique

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Published in 2019 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.31801

Abstract: A Ge/GeSn/Ge double heterojunction p‐i‐n vertical cavity surface emitting laser (VCSEL) is designed in this paper. According to the principle of distributed Bragg reflection (DBR), 6 and 12 pairs of SiO2/Si layers as the DBR… read more here.

Keywords: ultra injection; laser; cavity; gesn double ... See more keywords
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Surface Electron Localization in Cu-MOF-Bonded Double-Heterojunction Cu2O Induces Highly Efficient Photocatalytic CO2 Reduction.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c15278

Abstract: Truncated octahedron Cu2O (TOC) has attracted more attention for its suitable band gap and high carrier separation efficiency due to introduction of the facet heterojunction, but its practical drawback is still the instability caused by… read more here.

Keywords: double heterojunction; toc mof; photocatalytic co2; mof ... See more keywords
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Enhanced device lifetime of double-heterojunction nanorod light-emitting diodes.

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Published in 2017 at "Nanoscale"

DOI: 10.1039/c7nr01404j

Abstract: Colloidal quantum dots (QDs) are emerging as solution-processable, high-performance materials for light-emitting diodes (LEDs). Understanding the failure mechanism(s) is of both fundamental and practical importance, yet little is known of how QD-LEDs fail. Here, we… read more here.

Keywords: heterojunction nanorod; emitting diodes; light emitting; device lifetime ... See more keywords
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Enhanced photocatalytic hydrogen evolution and ammonia sensitivity of double-heterojunction g-C3N4/TiO2/CuO

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Published in 2022 at "RSC Advances"

DOI: 10.1039/d2ra01918c

Abstract: The performance of semiconductor photocatalysts has been limited by rapid electron–hole recombination. One strategy to overcome this problem is to construct a heterojunction structure to improve the survival rate of electrons. In this context, a… read more here.

Keywords: tio2 cuo; c3n4 tio2; double heterojunction;