Femtosecond laser ablation of DAST

Dittrich, Ph.; Bartlomé, R.; Montemezzani, Germano; Günter, Peter

doi:10.1016/s0169-4332(03)00745-1

Cited by 41 publications

(29 citation statements)

References 21 publications

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“…For background to non-linear optical materials, see: Dittrich et al (2003); Nogi et al (2000); Raimundo et al (2002); Ruanwas et al (2010); Sato et al (1999). Table 1 Hydrogen-bond geometry (Å , ).…”

Section: Related Literaturementioning

confidence: 99%

“…Several pyridinium derivatives have been reported to exhibit second-order NLO properties such as single crystals of 1-methyl-4-(2-(4-(dimethylamino)phenyl)-ethynyl)pyridinium p-toluenesulfonate (DAST) and its analogues (Dittrich et al, 2003;Sato et al, 1999). Based on the knowledge that the organic dipolar compounds with extended π systems having terminal donor and acceptor groups are likely to exhibit large hyperpolarizability (β) (Raimundo et al, 2002), we have synthesized several quinolinium derivatives which exhibit NLO properties (Ruanwas et al, 2010).…”

Section: Commentmentioning

confidence: 99%

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Bis{4-[(E)-2-(1H-indol-3-yl)ethenyl]-1-methylpyridinium} 4-chlorobenzenesulfonate nitrate

et al. 2013

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In the title mixed salt, 2C16H15N2 +·C6H4ClO3S−·NO3 −, one of the cations shows whole molecule disorder over two sets of sites in a 0.711 (7):0.289 (7) ratio. The 4-chorobenzenesulfonate anion is also disordered over two orientations in a 0.503 (6):0.497 (6) ratio. The cations are close to planar, the dihedral angles between the pyridinium and indole rings being 1.48 (3)° in the ordered cation, and 5.62 (3) and 2.45 (3)°, respectively, for the major and minor components of the disordered cation. In the crystal, the cations are stacked in an antiparallel manner approximately along the a-axis direction and linked with the anions via N—H⋯O hydrogen bonds and C—H⋯O interactions, generating a three-dimensional network. Weak C—H⋯π and π–π interactions [with centroid–centroid distances of 3.561 (2)–3.969 (7) Å] are also observed.

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Section: Related Literaturementioning

confidence: 99%

Section: Commentmentioning

confidence: 99%

Bis{4-[(E)-2-(1H-indol-3-yl)ethenyl]-1-methylpyridinium} 4-chlorobenzenesulfonate nitrate

et al. 2013

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“…To avoid molybdenum damage during laser processing of the overlaying layers, ultrashort laser pulses (ps or fs) are required [14,15]. It is well known that the thermal dissipation beyond the volume that is ablated is then widely suppressed [16,17].…”

Section: Laser Scribingmentioning

confidence: 99%

Laser applications in thin-film photovoltaics

et al. 2010

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We review laser applications in thin-film photovoltaics (thin-film Si, CdTe, and Cu(In,Ga)Se 2 solar cells). Lasers are applied in this growing field to manufacture modules, to monitor Si deposition processes, and to characterize opto-electrical properties of thin films. Unlike traditional panels based on crystalline silicon wafers, the individual cells of a thin-film photovoltaic module can be serially interconnected by laser scribing during fabrication. Laser scribing applications are described in detail, while other laserbased fabrication processes, such as laser-induced crystallization and pulsed laser deposition, are briefly reviewed. Lasers are also integrated into various diagnostic tools to analyze the composition of chemical vapors during deposition of Si thin films. Silane (SiH 4 ), silane radicals (SiH 3 , SiH 2 , SiH, Si), and Si nanoparticles have all been monitored inside chemical vapor deposition systems. Finally, we review various thin-film characterization methods, in which lasers are implemented.

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“…(2) = 420 ± 110 pm/V at 1.9 µm due to the appropriate orientation of the chromophores in the crystal [18][19][20]. DAST consists of a positively charged nonlinear optical chromophore stilbazolium and a negatively charged tosylate anion.…”

Section: Introductionmentioning

confidence: 99%

Molecular Structures and Second-Order Nonlinear Optical Properties of Ionic Organic Crystal Materials

et al. 2016

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Abstract:In recent years, there has been extensive research and continuous development on second-order nonlinear optical (NLO) crystal materials due to their potential applications in telecommunications, THz imaging and spectroscopy, optical information processing, and optical data storage. Recent progress in second-order NLO ionic organic crystal materials is reviewed in this article. Research has shown that the second-order nonlinear optical properties of organic crystal materials are closely related to their molecular structures. The basic structures of ionic organic conjugated molecules with excellent nonlinear optical properties are summarized. The effects of molecular structure, for example, conjugated π electron systems, electronic properties of donor-acceptor groups, and different counter-anion effects on second order NLO properties and crystal packing are studied.

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Femtosecond laser ablation of DAST

Cited by 41 publications

References 21 publications

Bis{4-[(E)-2-(1H-indol-3-yl)ethenyl]-1-methylpyridinium} 4-chlorobenzenesulfonate nitrate

Bis{4-[(E)-2-(1H-indol-3-yl)ethenyl]-1-methylpyridinium} 4-chlorobenzenesulfonate nitrate

Laser applications in thin-film photovoltaics

Molecular Structures and Second-Order Nonlinear Optical Properties of Ionic Organic Crystal Materials

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