Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: Mar 6, 2026

Exfoliation and Analysis of Large-area, Air-Sensitive Two-Dimensional Materials

Exfoliation and Analysis of Large-area, Air-Sensitive Two-Dimensional Materials

Published on: January 5, 2019

Air-Stable Humidity Sensor Using Few-Layer Black Phosphorus.

Jinshui Miao, Le Cai, Suoming Zhang

¹Electrical Engineering, Chungnam National University , Daejeon 34134, Korea.

ACS Applied Materials & Interfaces

|March 3, 2017

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Xicoreone, a new isocoumarin derivative isolated from the endophytic fungus <i>Penicillium sclerotigenum</i> of <i>Aconitum carmichaelii</i>.

Natural product research·2026

Same author

Event-Driven Spike Encoding via Asymmetric Schottky Junction Photodiodes for Bioinspired Vision Systems.

Nano letters·2026

Same author

Socioeconomic disparities in the prevalence of non-communicable chronic disease multimorbidity and their impact on activities of daily living among older adults in rural southwest China: a cross-sectional study.

BMC geriatrics·2026

Same author

Antibacterial compounds from an endophytic fungus <i>Cladosporium colombiae</i> GTJ67.

Natural product research·2026

Same author

Changes in prevalence and patterns of non-communicable disease multimorbidity across socioeconomic spectra in rural Southwest China.

Journal of health, population, and nutrition·2026

Same author

Design, Synthesis, and Insecticidal Activity of the Derivatives of Taiwanin E, an Insecticidal Lignan from <i>Taiwania flousiana</i> Gaussen.

Journal of agricultural and food chemistry·2026

Same journal

Electrospun Liquid Crystal Elastomers as Stress-Free Thermo- and Photoresponsive Actuators.

ACS applied materials & interfaces·2026

Same journal

Tunable Electrical Transport and Magnetic Anisotropy in Textured SrRuO<sub>3</sub> Films Mediated by Gap Control of Monolayer Ca<sub>2</sub>Nb<sub>3</sub>O<sub>10</sub> Nanosheet Templates.

ACS applied materials & interfaces·2026

Same journal

Label-Free Capacitive Immunosensing of Lactate Dehydrogenase and Interleukin-6 Using a Protein-Passivated Graphene Interface.

ACS applied materials & interfaces·2026

Same journal

Improved Carrier Transport and Enhanced Detection Sensitivity Through Zr<sup>4+</sup> Doping in LiYMo<sub>2</sub>O<sub>8</sub> Single Crystals for X-ray Detectors.

ACS applied materials & interfaces·2026

Same journal

Near-Infrared Light-Driven Microgrooved UCNPs/Azobenzene-LCE Actuators and Substrates for Cardiomyoblast Alignment.

ACS applied materials & interfaces·2026

Same journal

Recent Advances in Superlattice-Based Thermoelectrics.

ACS applied materials & interfaces·2026

See all related articles

Researchers developed air-stable black phosphorus (BP) humidity sensors using an aluminum oxide (Al2O3) coating. This encapsulation protects BP from degradation, enabling reliable sensing applications.

Area of Science:

Materials Science
Nanotechnology
Chemical Sensing

Background:

Black phosphorus (BP) is a promising 2D material for sensors.
BP's rapid degradation in ambient conditions limits its practical use.
Developing stable BP-based sensors is a significant challenge.

Purpose of the Study:

To investigate the humidity sensing properties of BP field-effect transistors.
To enhance the air stability of BP sensors through encapsulation.
To understand the sensing mechanism of BP humidity sensors.

Main Methods:

Fabrication of BP field-effect transistors.
Deposition of a 6 nm-thick Al2O3 encapsulation layer using atomic layer deposition.
Testing sensor performance and stability in ambient conditions.

Keywords:

2D materials black phosphorus encapsulation humidity sensor long-term stability

More Related Videos

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

Nanostructured Ag-zeolite Composites as Luminescence-based Humidity Sensors

Nanostructured Ag-zeolite Composites as Luminescence-based Humidity Sensors

Published on: November 15, 2016

Related Experiment Videos

Last Updated: Mar 6, 2026

Exfoliation and Analysis of Large-area, Air-Sensitive Two-Dimensional Materials

Exfoliation and Analysis of Large-area, Air-Sensitive Two-Dimensional Materials

Published on: January 5, 2019

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

Nanostructured Ag-zeolite Composites as Luminescence-based Humidity Sensors

Nanostructured Ag-zeolite Composites as Luminescence-based Humidity Sensors

Published on: November 15, 2016

Capacitance-voltage measurements to elucidate the sensing mechanism.

Main Results:

Encapsulated BP sensors demonstrated superior ambient stability, with no degradation after one week.
The Al2O3 encapsulation provided long-term stability, albeit with a slight reduction in sensitivity.
Capacitance-voltage measurements indicated that humidity sensing is governed by an electrostatic gating effect, not direct charge transfer.

Conclusions:

Atomic layer deposition of Al2O3 effectively creates air-stable BP sensors.
The electrostatic gating effect due to water molecule dipole moments is the primary sensing mechanism.
This approach offers a viable pathway for practical air-stable BP-based chemical and humidity sensors.