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   Articles with "persistent photoconductivity" as a keyword



Concentration of defects responsible for persistent photoconductivity in Cu(In,Ga)Se2: Dependence on material composition

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recommendations! Published in 2019 at "Thin Solid Films"

DOI: 10.1016/j.tsf.2018.11.038

Abstract: Abstract Persistent photoconductivity (PPC) in thin Cu(In,Ga)Se2 films is discussed within a model of relaxing defects acting as donors or acceptors depending on their configurational and charge state. The aim of this work is to… read more here.

Keywords: persistent photoconductivity; defects responsible; concentration defects; se2 ... See more keywords

Long-Term Persistent Photoconductivity in n-IGZO/p-Si Heterostructure for Photomemory Application.

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recommendations! Published in 2025 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.5c12129

Abstract: In this study, we present an indium gallium zinc oxide (IGZO) synaptic device that emulates human brain functions such as learning, memorizing, and forgetting, with capabilities similar to those of human visual perception and memory… read more here.

Keywords: memory; long term; term persistent; persistent photoconductivity ... See more keywords

Spatially Resolved Persistent Photoconductivity in MoS2-WS2 Lateral Heterostructures.

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recommendations! Published in 2020 at "ACS nano"

DOI: 10.1021/acsnano.0c06745

Abstract: The optical and electronic properties of 2D semiconductors are intrinsically linked via the strong interactions between optically excited bound species and free carriers. Here we use near-field scanning microwave microscopy (SMM) to image spatial variations… read more here.

Keywords: persistent photoconductivity; photoconductivity mos2; photoconductivity; mos2 ws2 ... See more keywords

Tuning the charge states in InAs/GaSb or InAs/GaInSb composite quantum wells by persistent photoconductivity

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recommendations! Published in 2017 at "AIP Advances"

DOI: 10.1063/1.4993894

Abstract: We have experimentally studied the persistent photoconductivity (PPC) in inverted InAs/GaSb and InAs/GaInSb quantum wells, which can be tuned into a bulk-insulating state by electron-hole hybridization. Specifically we tune the bulk band structure and carriers… read more here.

Keywords: inas gainsb; persistent photoconductivity; inas gasb; gasb inas ... See more keywords

Evaluation of Sn-doped β−Ga2O3 persistent photoconductivity with sub-band gap excitation energy

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recommendations! Published in 2025 at "Journal of Physics D: Applied Physics"

DOI: 10.1088/1361-6463/addbeb

Abstract: Beta-gallium oxide ( β−Ga2O3) is positioned as an ultra-wide bandgap semiconductor for optoelectronic and electronic applications under extreme conditions. However, its characterization is not easy to achieve. Even the standard Hall technique is difficult to… read more here.

Keywords: evaluation doped; photoconductivity; sub band; doped ga2o3 ... See more keywords

Electrospun indium gallium zinc oxide semiconductor nanofibers with different persistent photoconductivity effects at low and high temperatures

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recommendations! Published in 2025 at "Journal of Physics D: Applied Physics"

DOI: 10.1088/1361-6463/ae1f26

Abstract: In recent years, persistent photoconductivity (PPC) has received significant attention due to its potential applications in a wide range of fields. This study focuses on the PPC observed in electrospun indium gallium zinc oxide (IGZO)… read more here.

Keywords: zinc oxide; indium gallium; photoconductivity; gallium zinc ... See more keywords

Suppression of persistent photoconductivity in high gain Ga2O3 Schottky photodetectors

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recommendations! Published in 2021 at "Chinese Physics B"

DOI: 10.1088/1674-1056/ac2d1b

Abstract: The defect-related photoconductivity gain and persistent photoconductivity (PPC) observed in Ga2O3 Schottky photodetectors lead to a contradiction between high responsivity and fast recovery speed. In this work, a metal–semiconductor–metal (MSM) Schottky photodetector, a unidirectional Schottky… read more here.

Keywords: high gain; ga2o3 schottky; gain; persistent photoconductivity ... See more keywords

Dependence of the Magnitude of Persistent Photoconductivity on Sodium Content in Cu(In,Ga)Se2 Solar Cells and Thin Films

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recommendations! Published in 2020 at "IEEE Journal of Photovoltaics"

DOI: 10.1109/jphotov.2020.3014865

Abstract: The persistent photoconductivity (PPC), i.e., the metastable increase in hole concentration due to light soaking in Cu-poor Cu(In0.7,Ga0.3)Se2 solar cells is observed to be proportional to the Na concentration in the absorber layer. Hole concentration… read more here.

Keywords: sub sub; sub; solar cells; persistent photoconductivity ... See more keywords