Pharmaceutical cocrystals, salts and polymorphs: Advanced characterization techniques

E Pindelska, A Sokal, W Kolodziejski - Advanced drug delivery reviews, 2017 - Elsevier
The main goal of a novel drug development is to obtain it with optimal physiochemical,
pharmaceutical and biological properties. Pharmaceutical companies and scientists modify …

Ultrafast formation of interlayer hot excitons in atomically thin MoS2/WS2 heterostructures

H Chen, X Wen, J Zhang, T Wu, Y Gong… - Nature …, 2016 - nature.com
Van der Waals heterostructures composed of two-dimensional transition-metal
dichalcogenides layers have recently emerged as a new family of materials, with great …

Ultrafast probes of electron–hole transitions between two atomic layers

X Wen, H Chen, T Wu, Z Yu, Q Yang, J Deng… - Nature …, 2018 - nature.com
Phase transitions of electron–hole pairs on semiconductor/conductor interfaces determine
fundamental properties of optoelectronics. To investigate interfacial dynamical transitions of …

Broadband THz reflective polarization rotator by multiple plasmon resonances

X Wen, J Zheng - Optics Express, 2014 - opg.optica.org
We demonstrate a metamaterials-based THz broadband polarization rotator which is able to
rotate linearly polarized THz wave by 90 degree within a wide frequency range (0.44 to 0.76 …

Intermolecular vibrational energy transfers in liquids and solids

H Chen, X Wen, X Guo, J Zheng - Physical Chemistry Chemical …, 2014 - pubs.rsc.org
Resonant and nonresonant intermolecular vibrational energy transfers in KSCN/KSC13N/
KS13C15N aqueous and DMF solutions and crystals are studied. Both energy-gap and …

Vibrational energy transfer: An angstrom molecular ruler in studies of ion pairing and clustering in aqueous solutions

H Chen, H Bian, J Li, X Wen, Q Zhang… - The Journal of …, 2015 - ACS Publications
The methodology and principle using vibrational energy transfer to measure molecular
distances in liquids are introduced. The application of the method to the studies of ion …

Modification of silica nanoparticles with cysteine or methionine amino acids for the removal of uranium (VI) from aqueous solution

L Ismail, F Khalili, FM Abu Orabi - Silicon, 2020 - Springer
Abstract Silica nanoparticles (SiO 2-NPs), modified silica nanoparticles with cysteine (SiO 2-
Cys) or methionine (SiO 2-Meth) were used for sorption of uranium (VI) ion from aqueous …

Terahertz switchable broadband linear-to-linear/circular polarization converter based on vanadium dioxide

Z Feng, B Ni, H Ni, X Zhou, L Yang, J Chang - JOSA B, 2023 - opg.optica.org
In this paper, a terahertz (THz) polarization device that achieves four polarization conversion
modes with high relative bandwidth and high performance by varying the phase transition …

Structural analysis of transient reaction intermediate in formic acid dehydrogenation catalysis using two-dimensional IR spectroscopy

Y Zhang, X Chen, B Zheng, X Guo… - Proceedings of the …, 2018 - National Acad Sciences
The molecular structure of a catalytically active key intermediate is determined in solution by
employing 2D IR spectroscopy measuring vibrational cross-angles. The formate …

[HTML][HTML] Electron-phonon interactions in MoS2 probed with ultrafast two-dimensional visible/far-infrared spectroscopy

X Guo, H Chen, X Wen, J Zheng - The Journal of Chemical Physics, 2015 - pubs.aip.org
An ultrafast two-dimensional visible/far-IR spectroscopy based on the IR/THz air biased
coherent detection method and scanning the excitation frequencies is developed. The …