Till Reichenauer
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Probing a Reactive Alkyne Center Aligned via a Triphenylmethane Tripod on Au(111) for Electric Field‐Induced Chemistry by STM and TERS Open
Electric field‐induced chemistry at the solid/vacuum interface has distinct advantages over enzyme‐ and electrocatalysis because chemical reactivity is solely governed by external electrical fields (EEFs), while other factors such as solve…
Probing Metal Tip‐Induced Bond Weakening of a Reactive Alkyne Center Aligned via a Rigid Triphenylmethane‐Based Tripod on Au(111) by TERS and DFT Open
The chemical reactivity of molecules can be controlled by a variety of effects, ranging from chemical reagents to purely physical stimuli. Metal tips employed in scanning probe microscopy are an elegant tool to manipulate reactive centers …
Photoswitching of arylazopyrazoles upon S<sub>1</sub> (nπ*) excitation studied by transient absorption spectroscopy and <i>ab initio</i> molecular dynamics Open
Arylazopyrazoles (AAPs) are an important class of molecular photoswitches with high photostationary states (PSS) and long thermal lifetimes.
Photoswitching of arylazopyrazoles upon S1 (nπ*) excitation studied by transient absorption and ab-initio molecular dynamics Open
Arylazopyrazoles (AAPs) are an important class of molecular photoswitches with high photostationary states (PSS) and long thermal lifetimes. The ultrafast photoisomerization of four water-soluble arylazopyrazoles, all of them featuring an …
Toward coherent anti‐Stokes Raman scattering‐Raman optical activity for reaction monitoring in organocatalysis: Chiral vibrational signatures of the two atropisomers (<i>R</i>)‐ and (<i>S</i>)‐MOM‐BINOL in solution Open
Coherent anti‐Stokes Raman scattering‐Raman optical activity (CARS‐ROA) is a coherent version of spontaneous ROA spectroscopy, the latter being a well‐established chirally sensitive vibrational spectroscopic technique. A central major adva…
Picosecond UV Kerr‐gated Raman spectroscopy with 280 nm laser excitation Open
Raman spectra obtained by UV laser excitation above 260 nm are contaminated by spectrally overlapping UV‐excited fluorescence. Here, we demonstrate a picosecond UV Kerr‐gated Raman spectroscopy setup to suppress the fluorescence in Raman s…
View article: Dark trions govern the temperature-dependent optical absorption and emission of doped atomically thin semiconductors
Dark trions govern the temperature-dependent optical absorption and emission of doped atomically thin semiconductors Open
We perform absorption and photoluminescence spectroscopy of trions in\nhBN-encapsulated WSe$_2$, WS$_2$, MoSe$_2$, and MoS$_2$ monolayers, depending\non temperature. The different trends for W- and Mo-based materials are\nexcellently repro…