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Electronic Spectroscopy of Phthalocyanine and Porphyrin Derivatives in Superfluid Helium Nanodroplets [PDF]

open access: yesMolecules, 2017
Phthalocyanine and porphyrin were among the first organic compounds investigated by means of electronic spectroscopy in superfluid helium nanodroplets.
Alkwin Slenczka
doaj   +2 more sources

Scanning tunnelling miscroscopy/spectroscopy and X-ray absorption spectroscopy studies of Co adatoms and anoislands on highly oriented pyrolytic graphite [PDF]

open access: yes, 2010
In this paper, the scanning tunneling microscopy, scanning tunneling spectroscopy and X-ray absorption spectroscopy of cobalt adatoms and nanoislands were studied on a highly oriented pyrolytic graphite.
de Jong, M.P.   +6 more
core   +12 more sources

Gain-switching in CsPbBr3 microwire lasers

open access: yesCommunications Physics, 2022
Gain-switching techniques offer a route to ultrafast lasing at the microscale. Here, 13 ps single-mode lasing from inorganic perovskite CsPbBr3 microwires is demonstrated and low transient saturated gain is identified as a significant limitation for ...
Jiao Tian   +10 more
doaj   +1 more source

High-Performance Birefringence of Periodic Nanostructures in FTO Thin Film Fabricated by IR-UV Femtosecond Laser

open access: yesFrontiers in Physics, 2022
By using infrared to ultraviolet (IR-UV) femtosecond laser directing, periodic nanostructures were efficiently fabricated on an F-doped tin oxide (FTO) film with a thickness of 650 nm.
Fengzhuo Zhang   +9 more
doaj   +1 more source

Large-area straight, regular periodic surface structures produced on fused silica by the interference of two femtosecond laser beams through cylindrical lens

open access: yesOpto-Electronic Advances, 2021
Inhomogeneity and low efficiency are two important factors that limit the application of laser-induced periodic surface structures (LIPSSs), especially on glass surfaces.
Long Chen   +7 more
doaj   +1 more source

Dissociative Ionization of Molecular CF2Br2 under 800 and 400 nm Intense Femtosecond Laser Fields

open access: yesApplied Sciences, 2021
The interaction between the CF2Br2 molecule and 800/400 nm intense femtosecond laser fields is investigated by direct current (dc) sliced velocity mapping imaging implementation.
Botong Liu   +4 more
doaj   +1 more source

Lasing properties and carrier dynamics of CsPbBr3 perovskite nanocrystal vertical-cavity surface-emitting laser

open access: yesNanophotonics, 2023
All-inorganic lead halide perovskite nanocrystals (NCs) have been widely investigated as highly promising optical gain materials due to their compelling electrical and optical properties.
He Yawen   +11 more
doaj   +1 more source

Periodic transparent nanowires in ITO film fabricated via femtosecond laser direct writing

open access: yesOpto-Electronic Science, 2023
This paper reports the fabrication of regular large-area laser-induced periodic surface structures (LIPSSs) in indium tin oxide (ITO) films via femtosecond laser direct writing focused by a cylindrical lens.
Qilin Jiang   +10 more
doaj   +1 more source

A novel fluorescent sensor for diammonium and metal ions based on a supramolecular charge-transfer complex of bis(aza-18-crown-6)-containing dienone

open access: yesFrontiers in Chemistry, 2023
A bis(aza-18-crown-6)-containing 2,5-di(benzylidene)cyclopentanone and a bis(ammoniopropyl) derivative of 1,2-di(4-pyridyl)ethylene in MeCN were found to form a supramolecular charge-transfer complex, which can act as an “off–on” fluorescent sensor for ...
Sergey P. Gromov   +7 more
doaj   +1 more source

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