Qinyi Fu


Qinyi Fu is a Ph.D. candidate of Chemistry at Stony Brook University, where she uses advanced X-ray scattering techniques to investigate water desalination membranes. 

She earned a B.S. degree in Engineering in 2015 at Tsinghua University, China.

Throughout her Ph.D. Study, Qinyi researched the inter-molecular structure of ultra-thin polyamide (PA) selective layers of desalination membranes through grazing incidence wide-angle X-ray scattering (GIWAXS) at CMS, NSLS II. She followed the structural evolution in PA layers from dry states to wet states in in-situ measurements to reveal the water diffusion, swelling behavior and filtration kinetics within crosslinked PA networks. Furthermore, she proposed a novel 2D fitting model for scattering profiles with orientation distribution function (ODF) to explore the surface-induced molecular orientation of PA layers.