Conformational Contrast of Surface-Mediated Molecular Switches Yields Ångstrom-Scale Spatial Resolution in Ultrahigh Vacuum Tip-Enhanced Raman Spectroscopy

Autor: Eric A. Pozzi, Xing Chen, Richard P. Van Duyne, Mark C. Hersam, Xu Chen, Naihao Chiang, Lasse Jensen, Guillaume Goubert, Tamar Seideman, Dhabih V. Chulhai, Nan Jiang

Publikováno v: Nano Letters. 16:7774-7778

Tip-enhanced Raman spectroscopy (TERS) combines the ability of scanning probe microscopy (SPM) to resolve atomic-scale surface features with the single-molecule chemical sensitivity of surface-enhanced Raman spectroscopy (SERS). Here, we report addit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9db4790abc00fd02f2ffb57eeee83305
https://doi.org/10.1021/acs.nanolett.6b03958

Evaluating Single-Molecule Stokes and Anti-Stokes SERS for Nanoscale Thermometry

Autor: Mark C. Hersam, Clotilde Lethiec, Alyssa B. Zrimsek, George C. Schatz, Eric A. Pozzi, Richard P. Van Duyne

Publikováno v: The Journal of Physical Chemistry C. 119:21116-21124

Plasmonic near fields, wherein light is magnified and focused within nanoscale volumes, are utilized in a broad array of technologies including optoelectronics, catalysis, and sensing. Within these nanoscale cavities, increases in temperature are exp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd86b13e656db84a778d5287cb463d0f
https://doi.org/10.1021/acs.jpcc.5b08054

Positional Flexibility: Syntheses and Characterization of Six Uranium Chalcogenides Related to the 2H Hexagonal Perovskite Family

Autor: Adel Mesbah, Sébastien Lebègue, Jessica C. Beard, Jai Prakash, Mariya S. Tarasenko, Eric A. Pozzi, Christos D. Malliakas, James A. Ibers, Richard P. Van Duyne

Publikováno v: Inorganic Chemistry
Inorganic Chemistry, American Chemical Society, 2015, 54 (6), pp.2851-2857. ⟨10.1021/ic5029806⟩
Inorganic Chemistry, 2015, 54 (6), pp.2851-2857. ⟨10.1021/ic5029806⟩

International audience; Six new uranium chalcogenides, Ba4USe6, Ba3FeUSe6, Ba3MnUSe6, Ba3MnUS6, Ba3.3Rb0.7US6, and Ba3.2K0.8US6, related to the 2H hexagonal perovskite family have been synthesized by solid-state methods at 1173 K. These isostructural

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b67305b0b0ea5c3a99f5c14fc57fa71
https://doi.org/10.1021/ic5029806

Probing Intermolecular Vibrational Symmetry Breaking in Self-Assembled Monolayers with Ultrahigh Vacuum Tip-Enhanced Raman Spectroscopy

Autor: Mark C. Hersam, Michael R. Wasielewski, Mark A. Ratner, Lindsey R. Madison, Naihao Chiang, George C. Schatz, Nan Jiang, Tamar Seideman, Richard P. Van Duyne, Eric A. Pozzi

Publikováno v: Journal of the American Chemical Society. 139(51)

Ultrahigh vacuum tip-enhanced Raman spectroscopy (UHV-TERS) combines the atomic-scale imaging capability of scanning probe microscopy with the single-molecule chemical sensitivity and structural specificity of surface-enhanced Raman spectroscopy. Her

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c869a3767c16399cfc5509a0be8eae31
https://pubmed.ncbi.nlm.nih.gov/29198112

Ultrahigh Vacuum Tip-Enhanced Raman Spectroscopy with Picosecond Excitation

Autor: Mark C. Hersam, Naihao Chiang, Tamar Seideman, Nan Jiang, Richard P. Van Duyne, Eric A. Pozzi, Matthew D. Sonntag

Publikováno v: The Journal of Physical Chemistry Letters. 5:2657-2661

Tip-enhanced Raman spectroscopy (TERS) provides chemical information about adsorbates with nanoscale spatial resolution, but developments are still required in order to incorporate ultrafast temporal resolution. In this Letter, we demonstrate that a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d2b78f426d288972ef94abc2a478458
https://doi.org/10.1021/jz501239z