Carrier Multiplication in PbS Quantum Dots Anchored on a Au Tip using Conductive Atomic Force Microscopy.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.201908461
Abstract: Carrier multiplication (CM) is the amplification of the excited carrier density by two times or more when the incident photon energy is larger than twice the bandgap of semiconductors. A practical approach to demonstrate the… read more here.
Keywords: photocurrent; quantum; carrier multiplication; energy ... See more keywords
Enhancement of photocurrent response for self-ordered Nb2O5 nanotubes synthesized at room temperature
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science"
DOI: 10.1007/s10853-020-05317-8
Abstract: The major challenge regarding new photocatalysts is to obtain a semiconductor with high and stable photocurrent from inexpensive and abundant materials. Niobium oxide meets some of these requirements, but its photocurrent is usually very low.… read more here.
Keywords: photocurrent; nb2o5 nanotubes; enhancement photocurrent; room temperature ... See more keywords
Effect of composition on steady state and transient photoconductivity in isocoordinated InxSb30−xSe70 (0 ≤ x ≤ 25) chalcogenide films
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-017-7277-8
Abstract: The study of steady state and transient photocurrent measurement provide important information about carrier generation and recombination phenomena in various semiconducting systems for photo-sensor device applications. In the present work, the composition dependent analysis of… read more here.
Keywords: state; photocurrent; state transient; inxsb30 xse70 ... See more keywords
Photocurrent transient measurements in MAPbI3 thin films
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-020-03549-7
Abstract: Methylammonium lead iodide (CH3NH3PbI3 or MAPbI3) is one of the hybrid perovskite materials most widely used in high performing perovskite solar cells. In this work, the charge carrier recombination process of MAPbI3 perovskite thin-film fabricated… read more here.
Keywords: photocurrent; time; photocurrent transient; measurements mapbi3 ... See more keywords
Photoelectrochemical investigation of the role of surface-modified Yb species in the photocatalytic conversion of CO2 by H2O over Ga2O3 photocatalysts
Sign Up to like & getrecommendations! Published in 2020 at "Catalysis Today"
DOI: 10.1016/j.cattod.2020.02.016
Abstract: Abstract Modification of Ga2O3 photocatalysts with rare earth elements is known to enhance the activity and selectivity of CO formation during the photocatalytic conversion of CO2 by H2O as an electron donor, but the role… read more here.
Keywords: photocurrent; ga2o3; surface; h2o ... See more keywords
Anomalous photocurrent characteristics in fullerene C60 thin film-based organic field-effect transistors under illumination
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2020.137133
Abstract: Abstract We investigated anomalous photocurrent behavior in organic field-effect transistors(OFETs) based on C60 thin film. With increasing incident optical power, it was interesting to observe the photocurrent decreases. The inverse photocurrent was mainly dependent on… read more here.
Keywords: photocurrent; anomalous photocurrent; c60; effect ... See more keywords
Three-dimensional high-rate electropolymerized thin film with exceptionally high photocurrent based on a triphenylamine-containing ruthenium complex
Sign Up to like & getrecommendations! Published in 2019 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2018.12.066
Abstract: Abstract A novel ruthenium complex capped with three triphenylamine units was synthesized and was high-rate anodically electropolymerized to form dense thin films of 33-nm thickness/per potential cycle on indium-tin oxide (ITO) electrodes. The films were… read more here.
Keywords: photocurrent; microscopy; ruthenium complex; film ... See more keywords
Er3+-doped tellurite glasses for enhancing a solar cell photocurrent through photon upconversion upon 1500 nm excitation
Sign Up to like & getrecommendations! Published in 2017 at "Materials Chemistry and Physics"
DOI: 10.1016/j.matchemphys.2017.06.003
Abstract: Abstract Trivalent erbium-doped tellurite glasses have been prepared and investigated with an aim to improve the efficiency of a Silicon (Si) solar cell through photon upconversion processes. The upconversion emissions at 548 nm (4S3/2, 2H11/2 → 4I15/2), 671 nm… read more here.
Keywords: photocurrent; solar cell; doped tellurite; excitation ... See more keywords
Polarization-sensitive photoresponse of the CuSe/Se nanocomposite prepared by vacuum thermal deposition
Sign Up to like & getrecommendations! Published in 2019 at "Materials today communications"
DOI: 10.1016/j.mtcomm.2019.100656
Abstract: Abstract We report on the generation of the polarization-sensitive photocurrent in the thin film of the CuSe/Se nanocomposite irradiated by femtosecond pulses of Ti:S laser. CuSe/Se bilayer consisting of nanocrystalline CuSe and amorphous Se films… read more here.
Keywords: photocurrent; polarization sensitive; cuse nanocomposite; polarization ... See more keywords
Strain-tunable photogalvanic effect in phosphorene
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DOI: 10.1016/j.mtcomm.2020.101154
Abstract: Abstract We investigate the strain manipulation of photocurrent induced by a linearly-polarized light in a phosphorene-based two-terminal system. A local out-of-plane gate voltage is applied to break the inversion symmetry of pristine phosphorene. The photocurrent… read more here.
Keywords: photocurrent; strain tunable; strain strength; tunable photogalvanic ... See more keywords
Influence of photocurrent noise on detection performance of continuous coherent lidar
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2020.106208
Abstract: Abstract In order to study the influence of photocurrent noise on the detection performance of continuous coherent lidar, the waveform of photocurrent spectrum and the problem of lidar noise are studied theoretically and experimentally. When… read more here.
Keywords: photocurrent; coherent lidar; noise; detection performance ... See more keywords