Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Emilio Castellucci"'
Publikováno v:
Journal of Spectroscopy, Vol 2016 (2016)
We review some new methods based on surface-enhanced Raman scattering (SERS) for the nondestructive/minimally invasive identification of organic colorants in objects whose value or function precludes sampling, such as historic and archeological texti
Externí odkaz:
https://doaj.org/article/000d9a179dd249ac8c243fd716b5fda6
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Using time-dependent density functional theory in conjunction with B3LYP functional and LANL2DZ/6-31+g(d,p) basis sets, static and pre-resonance Raman spectra of the indigo-Ag2 complex have been calculated. Structure optimization, excitation energies
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b0d55592d6ad6fcc727fdcf16f566ef
https://doi.org/10.1016/j.saa.2017.06.036
https://doi.org/10.1016/j.saa.2017.06.036
Publikováno v:
The Journal of Physical Chemistry C. 120:12234-12241
Using density functional theory (DFT) and various cluster models for the simulation of the interaction between alizarin and silver nanoparticles, we calculated the SERS spectra of the AZ anion–Agn (n = 2, 4, 14) complexes and compared the results w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d044c05d99c9daa734c99c003ccde640
https://doi.org/10.1021/acs.jpcc.5b12321
https://doi.org/10.1021/acs.jpcc.5b12321
Autor:
Barbara Ballarin, Emilio Castellucci, Rocco Mazzeo, Marta Quaranta, Irene Bonacini, Maria Cristina Cassani, Marilena Ricci, Cristiana Lofrumento, Giorgia Sciutto, Silvia Prati
Publikováno v:
Journal of Raman Spectroscopy. 47:337-344
InthispapersomecoloredframescomingfromtheverypopularcinematographicfilmSardinianDrummerBoy,datingbacktothebeginning of the XX century, were analyzed. The presence in the emulsion of silver nanoparticles (AgNPs), which are formedthanks to the impressi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf3a28802dddbfc46b0195846c5328f2
https://doi.org/10.1002/jrs.4819
https://doi.org/10.1002/jrs.4819
Autor:
Cristiana Lofrumento, Carla Mulana, Emilio Castellucci, Elena Platania, Marilena Ricci, Maurizio Becucci
Publikováno v:
Journal of Molecular Structure. 1090:98-106
Quantum chemical calculations are today extensively used to model the SERS spectra of molecular systems as the interpretation of the experimental data is facilitated by progress in the efficiency of programs for computing derivative properties, such
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ee029f7dfba6f2e46e3d8b9b382c030
https://doi.org/10.1016/j.molstruc.2015.01.037
https://doi.org/10.1016/j.molstruc.2015.01.037
Autor:
Serena Carlesi, Marilena Ricci, F. Arci, Maurizio Becucci, Emilio Castellucci, Cristiana Lofrumento
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 137:677-684
The analysis of ground state structural and vibrational properties of Safranin-O is presented. The experimental results, obtained by FTIR, Raman and SERS spectroscopy, are discussed in comparison to the results of DFT calculations carried out at the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ece08c33660762ba390c912844460761
https://doi.org/10.1016/j.saa.2014.07.051
https://doi.org/10.1016/j.saa.2014.07.051
Autor:
Marilena Ricci, Emilio Castellucci, John R. Lombardi, Nobuko Shibayama, Cristiana Lofrumento, Elena Platania, Marco Leona, Maurizio Becucci
Publikováno v:
Journal of Raman Spectroscopy. 45:1133-1139
A surface-enhanced Raman spectroscopy (SERS) substrate made of agar gel coupled with silver nanoparticles has been applied to the micro-extraction and the ultra-sensitive detection of dyes on pieces of textile of different nature (silk, wool, and pri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91fc6cdd47279589b9eb216b83857488
https://doi.org/10.1002/jrs.4531
https://doi.org/10.1002/jrs.4531
Publikováno v:
Optical and Quantum Electronics. 48
The aim of this work is to improve our understanding of the new possibilities offered by a micro-extraction/surface-enhanced Raman scattering (SERS) identification method for organic dyes used in artworks. Recently, we have shown how it is possible t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1fdbedd0459622df680862b482c8d55
https://doi.org/10.1007/s11082-016-0696-6
https://doi.org/10.1007/s11082-016-0696-6
Publikováno v:
The journal of physical chemistry. A. 120(27)
The properties of o-Safranin (SO) dye in the first electronic excited state were studied with combined experimental and theoretical methods. The electronic absorption spectra of SO molecules are measured in water solution and in the presence of silve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df39f76a904d3398bc082c9661623ac8
https://pubmed.ncbi.nlm.nih.gov/27139691
https://pubmed.ncbi.nlm.nih.gov/27139691