Electronic structure and excited state dynamics of cadmium chalcogenide nanorods

KE Shulenberger, MR Jilek, SJ Sherman… - Chemical …, 2023 - ACS Publications
The cylindrical quasi-one-dimensional shape of colloidal semiconductor nanorods (NRs)
gives them unique electronic structure and optical properties. In addition to the band gap …

In Situ Probing of the Surface Properties of Droplets in the Air

JB Brown, Y Qian, ZC Huang-Fu, T Zhang, H Wang… - Langmuir, 2023 - ACS Publications
Surface properties of nanodroplets and microdroplets are intertwined with their immense
applicability in biology, medicine, production, catalysis, the environment, and the …

Conical intersections at interfaces revealed by phase-cycling interface-specific two-dimensional electronic spectroscopy (i2D-ES)

ZC Huang-Fu, NV Tkachenko, Y Qian… - Journal of the …, 2024 - ACS Publications
Conical intersections (CIs) hold significant stake in manipulating and controlling
photochemical reaction pathways of molecules at interfaces and surfaces by affecting …

[HTML][HTML] Sum frequency generation (SFG) spectroscopy at surfaces and interfaces: Adsorbate structure and molecular bond orientation

X Li, G Rupprechter - Surface Science Reports, 2024 - Elsevier
Abstract Infrared (IR)-visible (Vis) sum frequency generation (SFG) is a second-order
nonlinear optical process which is forbidden in centrosymmetric bulk media or isotropic …

Vibronic coupling of Rhodamine 6G molecules studied by doubly resonant sum frequency generation spectroscopy with narrowband infrared and broadband visible

WW Zeng, T Luo, P Xu, C Zhou, X Yang… - The Journal of Chemical …, 2024 - pubs.aip.org
Doubly resonant sum frequency generation (DR-SFG) serves as a potent characteristic
technique for probing the electronic spectra and vibronic coupling of molecules on surfaces …

Interface-specific two-dimensional electronic sum frequency generation spectroscopy

GH Deng, Y Qian, Q Wei, T Zhang… - The Journal of Physical …, 2020 - ACS Publications
High even-order surface/interface specific spectroscopy has the potential to provide more
structural and dynamical information about surfaces and interfaces. In this work, we …

Spectral phase measurements of heterodyne detection in interfacial broadband electronic spectroscopy

T Zhang, ZC Huangfu, Y Qian, Z Lu… - The Journal of …, 2022 - ACS Publications
A spectral phase is vital to retrieve both the real and imaginary parts of both second-order
vibrational and electronic sum frequency generation spectra. Despite recent efforts, phase …

In Situ Spectroscopic Probing of Polarity and Molecular Configuration at Aerosol Particle Surfaces

Y Qian, G Deng, Y Rao - The journal of physical chemistry letters, 2020 - ACS Publications
The growth of aerosol particles in the atmosphere is related to chemical reactions in the gas
and particle phases and at aerosol particle surfaces. While research regarding the gas and …

Surface states for photoelectrodes of gallium phosphide (GaP) with surface-specific electronic spectra and phase measurements

T Zhang, Y Qian, H Gao, ZC Huang-Fu… - The Journal of …, 2022 - ACS Publications
Gallium phosphide (GaP) photoelectrodes have received tremendous attention owing to
their applications in photocatalysis and photoelectrocatalytic reduction of CO2. Surface …

Using electronic sum-frequency generation to analyze the interfacial structure of singlet fission-capable perylenediimide thin films

DE Cotton, AP Moon, ST Roberts - The Journal of Physical …, 2020 - ACS Publications
Organic materials that undergo singlet exciton fission show promise as exciton multiplication
materials for semiconductor solar cells by converting high-energy photons into pairs of spin …