Publications by Cheol Yeon Cheon

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Devices based on two-dimensional (2D) semiconductors hold promise for the realization of compact and versatile on-chip interconnects between electrical and optical signals. Although light emitting diodes (LEDs) are fundamental building blocks for integrate ...

Sunlight is widely seen as one of the most abundant forms of renewable energy, with photovoltaic cells based on pn junctions being the most commonly used platform attempting to harness it. Unlike in conventional photovoltaic cells, the bulk photovoltaic ef ...

Technological advancement has been in cadence with material development by improving the purity of single crystals and, at the same time, controlling their imperfections. These capabilities have been especially vital for developing new technolo-gies based ...

Hexagonal boron nitride (hBN) has emerged as a promising material platform for nanophotonics and quantum sensing, hosting optically active defects with exceptional properties such as high brightness and large spectral tuning. However, precise control over ...

Defects in solids are unavoidable and can create complex electronic states that can significantly influence the electrical and optical properties of semiconductors. With the rapid progress in the integration of 2D semiconductors in practical devices, it is ...

Cheol Yeon Cheon

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Room-temperature electrical control of polarization and emission angle in a cavity-integrated 2D pulsed LED

Disorder-induced bulk photovoltaic effect in a centrosymmetric van der Waals material

Disorder-induced electronic, magnetic, and optoelectronic properties of two-dimensional materials

Engineering Optically Active Defects in Hexagonal Boron Nitride Using Focused Ion Beam and Water

Electrical spectroscopy of defect states and their hybridization in monolayer MoS2