Xu received his B.S. from Nanjing University, where he spent two years working with Professor Yang Yu on superconductor-based quantum device, specifically coupled Josephson junctions. In 2011, he moved to the United States to pursue his Ph. D. in chemical physics. Under the supervision of Professor Mathias Weber at JILA, University of Colorado at Boulder. He studied the electronic transitions of organo-metallic compound ions by applying photodissociation spectroscopy to gas phase ions. His experimetal results contributed to the understanding the fundamental mechanisms of of photocatalysis and have been published in high-impact journals of American Chemistry Society and Royal Society of Science.
Intrinsic photophysics of nitrophenolate ions studied by cryogenic ion spectroscopy
The intrinsic photophysics of nitrophenolate isomers (meta, para, and ortho) was studied at low temperature using photodissociation mass spectrometry in ...
Electronic Spectra of Tris (2, 2′-bipyridine)-M (II) Complex Ions in vacuo (M= Fe and Os)
We measured the electronic spectra of mass-selected [M(bpy)3]2+ (M = Fe and Os, bpy = 2,2′-bipyridine) ions in vacuo by ...
UV Spectra of Tris (2, 2′-bipyridine)–M (II) Complex Ions in vacuo (M= Mn, Fe, Co, Ni, Cu, Zn)
We present electronic spectra in the π–π* region of a series of tris(bpy)–M(II) complex ions (bpy = 2,2′-bipyridine; M = ...
Hydration of a Binding Site with Restricted Solvent Access: Solvatochromic Shift of the Electronic Spectrum of a Ruthenium Polypyridine Complex, One Molecule at a Time
We report the electronic spectra of mass selected [(bpy)(tpy)Ru–OH2]2+·(H2O)n clusters (bpy = 2,2′-bipyridine, tpy =2,2′:6′2″-terpyridine, n = 0–4) in the ...
The electronic spectrum of cryogenic ruthenium-tris-bipyridine dications in vacuo
We report the electronic spectrum of the prototypical ruthenium coordination complex Ru(bpy)3 2+ (bpy = 2, 2′-bipyridine) by messenger tagging ...
Ligand Influence on the Electronic Spectra of Dicationic Ruthenium-Bipyridine-Terpyridine Complexes
We report electronic spectra of a series of ruthenium polypyridine complexes of the form [(trpy)(bipy)RuII–L]2+ (bipy = 2,2′-bipyridine and trpy ...
Absorption Spectrum of a Ru(II)-Aquo Complex in Vacuo: Resolving Individual Charge-Transfer Transitions
Ruthenium(II) complexes are of great interest as homogeneous catalysts and as photosensitizers; however, their absorption spectra are typically very broad ...
Ligand influence on the electronic spectra of monocationic copper–bipyridine complexes
We present photodissociation spectroscopy and computational analysis of three monocationic Cu–bipyridine complexes with one additional ligand of different interaction strength ...
Landau-Zener-Stückelberg spectroscopy of a superconducting flux qubit
We proposed a different method to measure the energy spectrum of a superconducting flux qubit. Different from the conventional frequency ...