Topic
Excimer
About: Excimer is a research topic. Over the lifetime, 3725 publications have been published within this topic receiving 75104 citations.
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TL;DR: C-1,2-alternate tetrahomodioxacalix[4]arene pyreneamides were synthesized and it is shown that upon Ca(2+) ion binding, the receptor provides an enhanced excimer and declined monomer emission with ratiometric response.
37 citations
TL;DR: Fluorescence and photocyclomerization quantum-yield measurements and a transient kinetic analysis were performed for a series of α,ω-(bis-9-anthryl)- n -alkanes (A-C 2 -A to A-C 10 -A and A-mXy-A) in methylcyclohexane and ethanol as mentioned in this paper.
37 citations
TL;DR: In this article, a dual-beam laser ablation of fused silica by multiwavelength excitation process using a 248-nm KrF excimer laser (ablation beam) coupled with a 157-nm F2 laser (excitation beam) in dry nitrogen atmosphere is reported.
Abstract: A new technique of dual-beam laser ablation of fused silica by multiwavelength excitation process using a 248-nm KrF excimer laser (ablation beam) coupled with a 157-nm F2 laser (excitation beam) in dry nitrogen atmosphere is reported. The dual-beam laser ablation greatly reduced debris deposition and, thus, significantly improved the ablation quality compared with single-beam ablation of the KrF laser. High-quality ablation can be achieved at the delay times of KrF excimer laser irradiation shorter than 10 ns due to a large excited-state absorption. The ablation rate can reach up to 80 nm/pulse at the fluence of 4.0 J/cm2 for the 248-nm laser and 60 mJ/cm2 for the F2 laser. The ablation threshold and effective absorption coefficient of KrF excimer laser are estimated to be 1.4 J/cm2 and 1.2×105 cm-1, respectively.
37 citations
TL;DR: In this paper, the authors measured dilute solutions of model compounds for polymers of 2,6-naphthalene dicarboxylic acid and eight different glycols.
37 citations
TL;DR: In this paper, a time-resolved fluorescence spectroscope of poly(N-vinyl carbazole) in tetrahydrofuran solution has revealed the presence of three emitting species, namely a normal excimer emitting at λ max = 420 nm, a higher-energy excimer site at Ω(λ max = 370 nm which interconverts with the normal site, and a third species which emits at 370 nm but not at 420 nm.
37 citations