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Dequan Er

Researcher at University of Pennsylvania

Publications -  21
Citations -  4660

Dequan Er is an academic researcher from University of Pennsylvania. The author has contributed to research in topics: Monolayer & Density functional theory. The author has an hindex of 13, co-authored 21 publications receiving 3099 citations.

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Ti3C2 MXene as a High Capacity Electrode Material for Metal (Li, Na, K, Ca) Ion Batteries

TL;DR: Compared to materials currently used in high-rate Li and Na ion battery anodes, MXene shows promise in increasing overall battery performance and is predicted by first-principles density functional calculations.
Journal ArticleDOI

Janus Monolayer Transition-Metal Dichalcogenides

TL;DR: High basal plane hydrogen evolution reaction activity is discovered for the Janus monolayer, and DFT calculation implies that the activity originates from the synergistic effect of the intrinsic defects and structural strain inherent in theJanus structure.
Journal ArticleDOI

Synthesis of two-dimensional titanium nitride Ti4N3 (MXene)

TL;DR: The first two-dimensional transition metal nitride, Ti4N3-based MXene is synthesised using a molten fluoride salt to etch Al from a Ti4AlN3 powder precursor at 550 °C under an argon atmosphere and delaminated the resulting MXene to produce few-layered nanosheets and monolayers of Ti4n3Tx.
Posted Content

Janus Monolayer Transition Metal Dichalcogenides

TL;DR: In this article, a novel crystal configuration of sandwiched S-Mo-Se structure (Janus SMoSe) at the monolayer limit has been synthesized and carefully characterized.