Recent progress in short‐to long‐wave infrared photodetection using 2D materials and heterostructures

X Guan, X Yu, D Periyanagounder… - Advanced Optical …, 2021 - Wiley Online Library
The extraordinary electronic, optical, and mechanical characteristics of 2D materials make
them promising candidates for optoelectronics, specifically in infrared (IR) detectors owing to …

Challenges for field-effect-transistor-based graphene biosensors

T Ono, S Okuda, S Ushiba, Y Kanai, K Matsumoto - Materials, 2024 - mdpi.com
Owing to its outstanding physical properties, graphene has attracted attention as a
promising biosensor material. Field-effect-transistor (FET)-based biosensors are particularly …

[HTML][HTML] Graphene plasmonics in sensor applications: A review

S Ogawa, S Fukushima, M Shimatani - Sensors, 2020 - mdpi.com
Background: Open Access Editor's Choice Review Graphene Plasmonics in Sensor
Applications: A Review by Shinpei Ogawa*, Shoichiro Fukushima and Masaaki Shimatani …

High-performance graphene/InSb heterojunction photodetectors for high-resolution mid-infrared image sensors

M Shimatani, S Fukushima, S Okuda… - Applied Physics …, 2020 - pubs.aip.org
Graphene/semiconductor heterojunction photodetectors have the potential to outperform
conventional infrared (IR) sensors. A high-performance graphene/indium antimonide (InSb) …

Photo-modulated optical and electrical properties of graphene

H Tang, SG Menabde, T Anwar, J Kim, MS Jang… - …, 2022 - degruyter.com
Photo-modulation is a promising strategy for contactless and ultrafast control of optical and
electrical properties of photoactive materials. Graphene is an attractive candidate material …

Photogating for small high-responsivity graphene middle-wavelength infrared photodetectors

S Fukushima, M Shimatani, S Okuda… - Optical …, 2020 - spiedigitallibrary.org
We demonstrated a middle-wavelength infrared (MWIR) graphene photodetector using the
photogating effect. This effect was induced by photosensitizers situated around a graphene …

Fractal web design of a hemispherical photodetector array with organic‐dye‐sensitized graphene hybrid composites

EK Lee, RK Baruah, JW Leem, W Park… - Advanced …, 2020 - Wiley Online Library
The vision system of arthropods consists of a dense array of individual photodetecting
elements across a curvilinear surface. This compound‐eye architecture could be a useful …

Photoswitching effect of graphene photogated diodes with interfacial layers

M Shimatani, S Fukushima, M Iwakawa… - Journal of the Optical …, 2023 - opg.optica.org
Graphene/semiconductor heterojunction-based photodetectors are expected to achieve
high performance in various wavelength regions. Graphene photogated diodes (GPDs) …

Graphene-based deep-ultraviolet photodetectors with ultrahigh responsivity using chemical vapor deposition of hexagonal boron nitride to achieve photogating

S Fukushima, S Fukamachi, M Shimatani… - Optical Materials …, 2022 - opg.optica.org
This study presents high-responsivity graphene-based deep-ultraviolet (DUV)
photodetectors using chemical vapor deposition (CVD)-hexagonal boron nitride (h-BN) …

High-responsivity turbostratic stacked graphene photodetectors using enhanced photogating

M Shimatani, N Yamada, S Fukushima… - Applied Physics …, 2019 - iopscience.iop.org
High-responsivity graphene photodetectors were fabricated using turbostratic stacked
graphene, which provided enhanced photogating. Photogating is a promising means of …