Changhyun Ko

TL;DR: This work investigates effects of anion vacancies in monolayer transition metal dichalcogenides as two-dimensional (2D) semiconductors where the vacancies density is controlled by α-particle irradiation or thermal-annealing and finds a new, sub-bandgap emission peak as well as increase in overall photoluminescence intensity as a result of the vacancy generation.

TL;DR: A new member of the family ofemiconducting transition metal dichalcogenides, rhenium disulphide (ReS2), where such variation is absent and bulk behaves as electronically and vibrationally decoupled monolayers stacked together.

TL;DR: In this paper, the authors discuss the role of materials synthesis in influencing functional properties and discuss future research directions that may be worth consideration, concluding with a brief discussion on future directions that are worth consideration.

TL;DR: Stable p-type conduction in MoS2 is demonstrated by substitutional niobium (Nb) doping, leading to a degenerate hole density of ∼ 3 × 10(19) cm(-3), and it is expected that the synthesis technique demonstrated here can be generally extended to other TMDs for doping against their native unipolar propensity.

TL;DR: Large anisotropy in in-plane thermal conductivity of single-crystal black phosphorus nanoribbons along the zigzag and armchair lattice directions at variable temperatures is reported.