Search Results - "Haupa, Karolina"

Hydrogen Abstraction/Addition Tunneling Reactions Elucidate the Interstellar H2NCHO/HNCO Ratio and H2 Formation by Haupa, Karolina A, Tarczay, György, Lee, Yuan-Pern

“…Formamide (H2NCHO) is the smallest molecule possessing the biologically important amide bond. Recent interstellar observations have shown a strong correlation…”
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Triggering near‐infrared luminescence of vanadyl phthalocyanine by charging by Debnath, Sreekanta, Haupa, Karolina A., Lebedkin, Sergei, Strelnikov, Dmitry, Kappes, Manfred M.

“…Probing electrofluorochromism (EFC) at the molecular level remains challenging. Here we study the strongly charge state‐dependent photoluminescence of vanadyl…”
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Vibrationally Resolved Absorption and Luminescence Spectra of Mass-Selected Free-Base and Zinc Phthalocyanine Radical Cations Isolated in Solid Ne by Haupa, Karolina A, Krappel, Niklas P, Strelnikov, Dmitry, Kappes, Manfred M

“…We report the first vibrationally well-resolved absorption and laser-induced fluorescence spectra of the radical cations of free-base phthalocyanine (H2Pc+)…”
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Vibrationally Resolved Absorption, Fluorescence, and Preresonance Raman Spectroscopy of Isolated Pyronin Y Cation at 5 K by Debnath, Sreekanta, Schäfer, Alexander, Ito, Shun, Strelnikov, Dmitry, Schneider, Rabea, Haupa, Karolina A., Kappes, Manfred M.

“…Exploring how charge-changing affects the photoluminescence of small organic dyes presents challenges. Here, helium tagging photodissociation (PD) action…”
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Vibrationally resolved electronic spectroscopy of rhodamine B cation at less than 5 K: combining gas phase absorption and matrix isolation fluorescence spectroscopy by Debnath, Sreekanta, Schäfer, Alexander, Haupa, Karolina A., Strelnikov, Dmitry, Roithová, Jana, Jašík, Juraj, Lebedkin, Sergei, Kappes, Manfred M.

“…Helium tagging photodissociation action spectroscopy in the gas phase together with laser-induced fluorescence (LIF) spectroscopy in neon matrix has been used…”
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Hydrogen Abstraction/Addition Tunneling Reactions Elucidate the Interstellar H 2 NCHO/HNCO Ratio and H 2 Formation by Haupa, Karolina A, Tarczay, György, Lee, Yuan-Pern

“…Formamide (H NCHO) is the smallest molecule possessing the biologically important amide bond. Recent interstellar observations have shown a strong correlation…”
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Photoactivated Refractive Index Anisotropy in Fluorescent Thiophene Derivatives by Szukalski, Adam, Haupa, Karolina A, Adamow, Alina, Cheret, Yohan, Hue, Raphael, El-Ghayoury, Abdelkrim, Sahraoui, Bouchta, Pisignano, Dario, Mysliwiec, Jaroslaw, Camposeo, Andrea

“…The optical control of anisotropy in materials is highly advantageous for many technological applications, including the real-time modulation of another light…”
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Lasing Properties Activation by Constitutional Isomerism of an Electron-Accepting Group by Szukalski, Adam, Haupa, Karolina A, Janczak, Jan, Przybył, Bartosz, Sznitko, Lech, Myśliwiec, Jarosław

“…Materials engineering plays a pivotal role considering its manifold applications, i.e., in medicine as individualized drug carriers or in advanced technologies…”
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Triggering near‐infrared luminescence of vanadyl phthalocyanine by charging by Debnath, Sreekanta, Haupa, Karolina A., Lebedkin, Sergei, Strelnikov, Dmitry, Kappes, Manfred M.

“…Probing electrofluorochromism (EFC) at the molecular level remains challenging. Here we study the strongly charge state‐dependent photoluminescence of vanadyl…”
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Hydrogen-Atom-Assisted Uphill Isomerization of N‑Methylformamide in Darkness by Tsai, Shih-Yi, Haupa, Karolina Anna, Lee, Yuan-Pern

“…N-Methylformamide, HC­(O)­NH­(CH3), is the smallest amide detected in the interstellar medium that can exist as cis and trans isomers. We performed reactions…”
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Donor–Acceptor Complexes between Ammonia and Sulfur Trioxide: An FTIR and Computational Study by Haupa, Karolina, Bil, Andrzej, Mielke, Zofia

“…The complexes of ammonia with sulfur trioxide have been studied using FTIR matrix isolation spectroscopy and DFT/B3LYP calculations with the aug-cc-pVTZ basis…”
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Photoinduced Birefringence in PMMA Polymer Doped with Photoisomerizable Pyrazoline Derivative by Szukalski, Adam, Haupa, Karolina, Miniewicz, Andrzej, Mysliwiec, Jaroslaw

“…Upon S0–S1 excitation, the pyrazoline derivative molecule (Z)-2-(4-nitrophenyl)-3-(1-phenyl-4,5-dihydro-1H-pyrazol-3-yl)­acrylonitrile, abbreviated as…”
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Corrigendum to: “Structural and spectroscopic characterization of DMF complexes with nitrogen, carbon dioxide, ammonia and water. Infrared matrix isolation and theoretical studies” [Spectrochim. Acta, Part A: 190 (2018) 423–432] by Sałdyka, Magdalena, Mielke, Zofia, Haupa, Karolina

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Reaction of CH2Cl radical with O2 in solid para-hydrogen: Infrared spectrum of gauche-CH2ClOO radical by Haupa, Karolina A., Lee, Yuan-Pern

“…Irradiation of a para-hydrogen (p-H2) matrix containing chloroiodomethane (CH2ClI) and O2 at 3.3 K with light at 290 nm yielded infrared absorption lines at…”
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Structural and spectroscopic characterization of DMF complexes with nitrogen, carbon dioxide, ammonia and water. Infrared matrix isolation and theoretical studies by Sałdyka, Magdalena, Mielke, Zofia, Haupa, Karolina

“…An infrared spectroscopic and MP2/6-311++G(2d,2p) study of the complexes between N,N-dimethylformamide (DMF) and nitrogen, carbon dioxide, water, ammonia…”
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Infrared Spectra of ( Z )- and ( E )- • C 2 H 3 C(CH 3 )I Radicals Produced upon Photodissociation of ( Z )- and ( E )-(CH 2 I)HC═C(CH 3 )I in Solid para- Hydrogen by Haupa, Karolina Anna, Chen, Kuang-Po, Li, Yaw-Kuen, Lee, Yuan-Pern

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Low-Molecular Push–Pull Pyrazoline Derivatives: Solvatochromic Effect and Theoretical Insights into Dye-based Molecular Engineering by Haupa, Karolina Anna, Szukalski, Adam, Myśliwiec, Jarosław

“…Intermolecular interactions between dyes and solvents are essential in understanding a number of phenomena. In this contribution, we focused on similarities…”
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Isomers of the Acetic Acid–Water Complex Trapped in an Argon Matrix by Haupa, Karolina, Bil, Andrzej, Barnes, Austin, Mielke, Zofia

“…The complexes of acetic acid (AcOH) with water have been studied using FTIR matrix isolation spectroscopy and DFT/B3LYP, DFT/B3LYP-D, and MP2 calculations with…”
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Professor Zofia Mielke – A Real Women of Science by Fausto, Rui, Haupa, Karolina Anna, Biczysko, Malgorzata, Tarczay, György

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All‐Optical Switching and Two‐States Light‐Controlled Coherent‐Incoherent Random Lasing in a Thiophene‐Based Donor‐Acceptor System by Szukalski, Adam, Ayadi, Awatef, Haupa, Karolina, El‐Ghayoury, Abdelkrim, Sahraoui, Bouchta, Mysliwiec, Jaroslaw

“…We describe herein the synthesis and characterization of a thiophene‐based donor‐acceptor system, namely (E)‐2‐(4‐nitrostyryl)‐5‐phenylthiophene (Th‐pNO2),…”
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