Single atoms or ions on surfaces affect processes from nucleation to electrochemical
reactions and heterogeneous catalysis. Transmission electron microscopy is a leading …

Solution-processed metal halide perovskite (MHP) semiconductors have shown remarkable
success in diverse optoelectronic device applications, especially in solar cells, despite …

Superacids are strong acids with an acidity higher than pure sulfuric acid. Recently,
superacid treatment of monolayer transition metal dichalcogenide (TMDC) flakes, such as …

Two-dimensional MoS2 has been proposed to be an effective low-cost electrocatalyst for the
oxygen reduction reaction (ORR) due to its appropriate electronic configuration. However …

Photoelectrochemical (PEC) water splitting has received immense interest as a promising
strategy for renewable energy generation. However, the desired efficiency is often hindered …

There is a growing interest in obtaining high quality monolayer transition metal disulfides for
optoelectronic applications. Surface treatments using a range of chemicals have proven …

Treatment with the superacid bis (trifluoromethanesulfonyl) amide (sometimes known as
TFSA, TFSI, or HNTf2) enhances the properties of a wide range of optoelectronic materials …

Oxygen (O2) has been reported to greatly enhance the photoluminescence (PL) intensity of
MoS2 experimentally. However, the corresponding mechanism and atomic configuration are …

The incorporation of two-dimensional (2D) semiconductors into future electronic devices will
require electronic-grade, large-scale, and cost-effective means of doping and chemical …

Lattice defects and dielectric environment play a crucial role for 2D materials. Gas molecules
can get physisorbed easily on the surface through van der Waals forces and can modify …