Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Kuenhee Kim"'
1
Photoinduced Thermionic Emission from [M25(SR)18]− (M = Au, Ag) Revealed by Anion Photoelectron Spectroscopy
Autor: Tatsuya Tsukuda, Kuenhee Kim, Keisuke Hirata, Shun Hayashi, Katsunosuke Nakamura, Kiichirou Koyasu, Hirokazu Kitazawa
Publikováno v: The Journal of Physical Chemistry C. 123:13174-13179
Photoelectron (PE) spectra of thiolate-protected coinage metal clusters [Au25(SC2H4Ph)18]− and [Ag25(SPhMe2)18]− isolated in vacuum were recorded at 355 and 266 nm. Their adiabatic electron affinities were determined to be 2.36 ± 0.01 and 2.02
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b7e45bc3167bd42ac9366cc825de96e
https://doi.org/10.1021/acs.jpcc.9b03455
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2
Characterization of chemically modified gold and silver clusters in gas phase
Autor: Keisuke Hirata, Kiichirou Koyasu, Kuenhee Kim, Ryohei Tomihara, Tatsuya Tsukuda
Publikováno v: Physical Chemistry Chemical Physics. 21:17463-17474
Atomically precise Au and Ag clusters protected by organic ligands can be viewed as chemically modified Au/Ag superatoms and have attracted interest as promising building units of functional materials and ideal platforms for studying the size-depende
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81b84d97185de01c2f5d860981c5fc5a
https://doi.org/10.1039/c9cp02622c
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5
Electron Binding in a Superatom with a Repulsive Coulomb Barrier: The Case of [Ag44(SC6H3F2)30]4– in the Gas Phase
Autor: Kuenhee Kim, Tatsuya Tsukuda, Kiichirou Koyasu, Keisuke Hirata, Hannu Häkkinen, Sami Malola, Katsunosuke Nakamura, Yuriko Tasaka
Publikováno v: The Journal of Physical Chemistry Letters.
The electron binding mechanism in [Ag44(SC6H3F2)30]4- (SC6H3F2 = 3,4-difluorobenzenethiolate) tetra-anion was studied by photoelectron spectroscopy (PES), collision-induced dissociation mass spectrometry (CID-MS), and density functional theory (DFT)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6e2492c291dc7bfaa0bbff440b9fad4
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100828216
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6
Fabrication of Amphiphilic Nanoparticles via Mixed Homopolymer Brushes and NMR Characterization of Surface Phase Separation
Autor: Brenda Guzman-Juarez, Kuenhee Kim, Ahmed Abdelaal, Linda Reven, Violeta Toader
Publikováno v: Macromolecules. 51:9951-9960
“Patchy particles”, where the surface is anisotropically patterned through variation in the surface composition, can assemble into different colloidal crystal structures as well as act as interface stabilizers, heterogeneous reaction catalysts, a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e7f577bb643409785296dc9f964ad31
https://doi.org/10.1021/acs.macromol.8b01959
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7
Elucidating the Doping Effect on the Electronic Structure of Thiolate-Protected Silver Superatoms by Photoelectron Spectroscopy
Autor: Tatsuya Tsukuda, Kuenhee Kim, Hirokazu Kitazawa, Katsunosuke Nakamura, Shun Hayashi, Kiichirou Koyasu, Keisuke Hirata
Publikováno v: Angewandte Chemie (International ed. in English). 58(34)
Gas-phase photoelectron spectroscopy (PES) was conducted on [XAg24 (SPhMe2 )18 ]- (X=Ag, Au) and [YAg24 (SPhMe2 )18 ]2- (Y=Pd, Pt), which have a formal superatomic core (X@Ag12 )5+ or (Y@Ag12 )4+ with icosahedral symmetry. PES results show that super
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81b397e7ec6fe0c36ccb20d77162d85a
https://pubmed.ncbi.nlm.nih.gov/31206963
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