2D material‐based optical biosensor: status and prospect

ZL Lei, B Guo - Advanced Science, 2022 - Wiley Online Library
The combination of 2D materials and optical biosensors has become a hot research topic in
recent years. Graphene, transition metal dichalcogenides, black phosphorus, MXenes, and …

Programming twist angle and strain profiles in 2D materials

M Kapfer, BS Jessen, ME Eisele, M Fu, DR Danielsen… - Science, 2023 - science.org
Moiré superlattices in twisted two-dimensional materials have generated tremendous
excitement as a platform for achieving quantum properties on demand. However, the moiré …

Thickness determination of ultrathin 2D materials empowered by machine learning algorithms

Y Mao, L Wang, C Chen, Z Yang… - Laser & Photonics …, 2023 - Wiley Online Library
The number of layers of 2D materials is of great significance for regulating the performance
of nanoelectronic devices and optoelectronic devices, where the optimal thickness of the …

Do-it-yourself transfer of large-area graphene using an office laminator and water

A Shivayogimath, PR Whelan… - Chemistry of …, 2019 - ACS Publications
We demonstrate a simple method for transferring large areas (up to A4-size sheets) of CVD
graphene from copper foils onto a target substrate using a commercially available polyvinyl …

Single-Crystalline Gold Nanodisks on WS2 Mono- and Multilayers for Strong Coupling at Room Temperature

M Geisler, X Cui, J Wang, T Rindzevicius… - Acs …, 2019 - ACS Publications
Engineering light–matter interactions up to the strong-coupling regime at room temperature
is one of the cornerstones of modern nanophotonics. Achieving this goal could enable new …

Case studies of electrical characterisation of graphene by terahertz time-domain spectroscopy

PR Whelan, B Zhou, O Bezencenet… - 2D …, 2021 - iopscience.iop.org
Graphene metrology needs to keep up with the fast pace of developments in graphene
growth and transfer. Terahertz time-domain spectroscopy (THz-TDS) is a non-contact, fast …

Spectrally Stable Deep-Blue Light-Emitting Diodes Based on Layer-Transferred Single-Crystalline Ruddlesden–Popper Halide Perovskites

J Kim, YH Chu, J Park, K Bang, S Yoon… - … Applied Materials & …, 2024 - ACS Publications
A novel approach to producing high-color-purity blue-light-emitting diodes based on single-
crystalline Ruddlesden–Popper perovskites (RPPs) is reported. The utilization of a pure …

Mapping nanoscale carrier confinement in polycrystalline graphene by terahertz spectroscopy

PR Whelan, D De Fazio, I Pasternak, JD Thomsen… - Scientific Reports, 2024 - nature.com
Terahertz time-domain spectroscopy (THz-TDS) can be used to map spatial variations in
electrical properties such as sheet conductivity, carrier density, and carrier mobility in …

Optical microscope based universal parameter for identifying layer number in two-dimensional materials

M Mondal, AK Dash, A Singh - ACS nano, 2022 - ACS Publications
Optical contrast is the most common preliminary method to identify layer number of two-
dimensional (2D) materials, but it is seldom used as a confirmatory technique. We explain …

Universal image segmentation for optical identification of 2D materials

RM Sterbentz, KL Haley, JO Island - Scientific reports, 2021 - nature.com
Abstract Machine learning methods are changing the way data is analyzed. One of the most
powerful and widespread applications of these techniques is in image segmentation …