Flexible and stretchable light-emitting diodes and photodetectors for human-centric optoelectronics

S Chang, JH Koo, J Yoo, MS Kim, MK Choi… - Chemical …, 2024 - ACS Publications
Optoelectronic devices with unconventional form factors, such as flexible and stretchable
light-emitting or photoresponsive devices, are core elements for the next-generation human …

Functionalizing nanophotonic structures with 2D van der Waals materials

Y Meng, H Zhong, Z Xu, T He, JS Kim, S Han… - Nanoscale …, 2023 - pubs.rsc.org
The integration of two-dimensional (2D) van der Waals materials with nanostructures has
triggered a wide spectrum of optical and optoelectronic applications. Photonic structures of …

Flexible crystalline β-Ga 2 O 3 solar-blind photodetectors

J Lai, MN Hasan, E Swinnich, Z Tang… - Journal of Materials …, 2020 - pubs.rsc.org
This paper reports the fabrication of β-Ga2O3 nanomembrane (NM) based flexible
photodetectors (PDs) and the investigation of their optoelectrical properties under bending …

Self-powered flexible piezoelectric motion sensor with spatially aligned InN nanowires

J Shin, S Noh, J Lee, S Jhee, I Choi, CK Jeong… - Chemical Engineering …, 2024 - Elsevier
The power output of piezoelectric sensors based on nanowires (NWs) is governed by
various factors, but largely depends on the alignment of the NWs. However, aligning the …

Self-integrated hybrid ultraviolet photodetectors based on the vertically aligned InGaN nanorod array assembly on graphene

Y Zheng, W Wang, Y Li, J Lan, Y **a… - … applied materials & …, 2019 - ACS Publications
Integration of one-dimensional (1D) semiconductors with two-dimensional (2D) materials
into hybrid systems is identified as promising applications for new optoelectronic and …

Highly efficient photoelectrochemical water splitting using GaN-nanowire photoanode with tungsten sulfides

S Han, S Noh, YT Yu, CR Lee, SK Lee… - ACS Applied Materials …, 2020 - ACS Publications
In the present study, we have achieved high-performance photoelectrochemical water
splitting (PEC-WS) using GaN nanowires (NWs) coated with tungsten sulfide (W x S1 …

Stretchable inorganic GaN-nanowire photosensor with high photocurrent and photoresponsivity

S Han, S Noh, JW Kim, CR Lee, SK Lee… - ACS Applied Materials …, 2021 - ACS Publications
To effectively implement wearable systems, their constituent components should be made
stretchable. We successfully fabricated highly efficient stretchable photosensors made of …

A UV-responsive pressure sensitive adhesive for damage-free fabrication of an ultrathin imperceptible mechanical sensor with ultrahigh optical transparency

SW Kim, YH Ju, S Han, JS Kim, HJ Lee… - Journal of Materials …, 2019 - pubs.rsc.org
The development of epidermal electronics, which provides precise measurement of various
human physiological signals without reducing the quality of life, has encountered a serious …

Room-temperature operation of light-assisted NO2 gas sensor based on GaN nanowires and graphene

J Shin, S Han, S Noh, YT Yu, JS Kim - Nanotechnology, 2021 - iopscience.iop.org
We report the successful demonstration of a light-assisted NO 2 gas sensor that operates at
room temperature with high response. The gas sensor was fabricated with high-crystalline …

Drastic improvement in photoelectrochemical water splitting performance over prolonged reaction time using new carrier-guiding semiconductor nanostructures

S Noh, J Song, S Han, J Shin, YT Yu… - Journal of Materials …, 2022 - pubs.rsc.org
The performance of photoelectrochemical water splitting (PEC-WS) over time was drastically
improved using new carrier-guiding semiconductor nanostructures, namely InGaN/GaN core …