Light-optimized photovoltaic self-powered NO2 gas sensing based on black silicon

Y Zhao, XL Liu, SX Ma, WJ Wang, XJ Ning… - Sensors and Actuators B …, 2021 - Elsevier
The NO 2 sensing performance of a special lateral photovoltaic self-powered gas sensor
based on the N-hyperdoped microstructured silicon (N-Si) is systematically studied under …

Rapid and Wide-Range Detection of NOx Gas by N-Hyperdoped Silicon with the Assistance of a Photovoltaic Self-Powered Sensing Mode

XL Liu, Y Zhao, SX Ma, SW Zhu, XJ Ning, L Zhao… - ACS …, 2019 - ACS Publications
Wide-dynamic-range NO x sensors are vital for the environment and health purposes, but
few sensors could achieve wide-range detection with ultralow and ultrahigh concentrations …

Hyperdoping-regulated room-temperature NO2 gas sensing performances of black silicon based on lateral photovoltaic effect

W Wang, H Li, X Liu, S Ma, Y Zhao, B Dong, Y Li… - Sensors and Actuators B …, 2023 - Elsevier
Black silicon co-hyperdoped with sulfur and nitrogen in different ratios is prepared by
femtosecond laser-assisted chemical etching in the mixed atmosphere of SF 6 and NF 3 with …

A Photovoltaic Self‐Powered Gas Sensor Based on All‐Dry Transferred MoS2/GaSe Heterojunction for ppb‐Level NO2 Sensing at Room Temperature

Y Niu, J Zeng, X Liu, J Li, Q Wang, H Li… - Advanced …, 2021 - Wiley Online Library
Traditional gas sensors are facing the challenge of low power consumption for future
application in smart phones and wireless sensor platforms. To solve this problem, self …

NO2 gas sensor with excellent performance based on thermally modified nitrogen-hyperdoped silicon

W Wang, S Ma, X Liu, Y Zhao, H Li, Y Li, X Ning… - Sensors and Actuators B …, 2022 - Elsevier
NO 2 gas sensing properties of the nitrogen-hyperdoped black silicon (N-Si) modified at
different annealing temperatures are studied. Owing to the abundant defects in the material …

Photovoltaic self-powered gas sensing: a review

XL Liu, Y Zhao, WJ Wang, SX Ma, XJ Ning… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
The self-powered sensing system could harness ambient energy to power the sensor
without the need for external electrical energy. Recently, the concept of photovoltaic (PV) …

“Infinite sensitivity” of black silicon ammonia sensor achieved by optical and electric dual drives

XL Liu, SW Zhu, HB Sun, Y Hu, SX Ma… - … applied materials & …, 2018 - ACS Publications
The microstructured and hyperdoped silicon as a superior photoelectric and photovoltaic
material is first studied as a gas-sensing material. The material is prepared by femtosecond …

NO2 Gas Sensor Based on Pristine Black Silicon Formed by Reactive Ion Etching

G Ayvazyan, K Ayvazyan, L Hakhoyan… - physica status solidi …, 2023 - Wiley Online Library
Nitrogen dioxide (NO2) is a serious environmental pollutant and can cause negative
consequences on both human health and vegetation growth. Herein, the possibility and …

Self-powered gas sensor based on a photovoltaic cell and a colorimetric film with hierarchical micro/nanostructures

K Kang, J Park, B Kim, K Na, I Cho, J Rho… - … applied materials & …, 2020 - ACS Publications
We report a new type of self-powered gas sensors based on the combination of a
colorimetric film with hierarchical micro/nanostructures and organic photovoltaic cells. The …

Self-powered gas sensor based on SiNWs/ITO photodiode

D Liu, Q Chen, A Chen, J Wu - RSC advances, 2019 - pubs.rsc.org
Silicon nanowires (SiNWs) with a large surface-to-volume ratio and a low reflectivity are
exceedingly attractive building blocks for developing high performance light harvesting …