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

Related Concept Videos

Photoluminescence: Applications

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...

You might also read

Related Articles

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

Sort by

Same author

Superior Room-Temperature Gas Sensing Performance of Belt-like VO<sub>2</sub>(B) over 1D V<sub>2</sub>O<sub>5</sub> Nanofibers.

ACS sensors·2026

Same author

Photoactivation of Surface Peroxides on Titanate Nanotubes.

Inorganic chemistry·2025

Same author

Orthorhombic (NH<sub>4</sub>,Li)Eu(MoO<sub>4</sub>)<sub>2</sub> Solid Solution: Crystal Structure and Red-Emitting Photoluminescence.

Inorganic chemistry·2025

Same author

Phosphorus Doping Coupled with Gradient Film Strategy to Achieve Thermochromic Performance Enhancement of VO<sub>2</sub>.

ACS applied materials & interfaces·2025

Same author

W/Mo/Cr Doping Modulates the Negative-Positive Inversion Gas Sensing Behavior of VO<sub>2</sub>(M1).

ACS sensors·2025

Same author

Novel Selectivity: Target of Gas Sensing Defined by Behavior.

Advanced materials (Deerfield Beach, Fla.)·2024

Search research articles

Related Experiment Video

Updated: Mar 4, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Dual-Mode Humidity Sensing Based on Intensity and Lifetime Modulation of Yb₂(MoO₄)₃:Er³⁺ Upconversion Phosphor.

Reiko Furukawa¹, Takuya Hasegawa¹, Tomoyo Goto^2,3,4

¹Institute of Multidisciplinary Research for Advanced Material (IMRAM), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan.

ACS Applied Materials & Interfaces

|March 3, 2026

Summary

This study developed a novel optical humidity sensor using Er3+ doped Yb2(MoO4)3 phosphors. The material exhibits dual-mode sensing (intensity and lifetime) with high sensitivity and repeatability for environmental monitoring.

Keywords:

dual-mode detection humidity sensing lanthanide-doped phosphors optical sensor upconversion luminescence

More Related Videos

Nanostructured Ag-zeolite Composites as Luminescence-based Humidity Sensors

Nanostructured Ag-zeolite Composites as Luminescence-based Humidity Sensors

Published on: November 15, 2016

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals

Published on: April 14, 2020

Related Experiment Videos

Last Updated: Mar 4, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Nanostructured Ag-zeolite Composites as Luminescence-based Humidity Sensors

Nanostructured Ag-zeolite Composites as Luminescence-based Humidity Sensors

Published on: November 15, 2016

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals

Published on: April 14, 2020

Area of Science:

Materials Science
Optical Sensing
Luminescence

Background:

Optical sensors offer advantages like fast response and high sensitivity.
Harnessing intrinsic material properties for sensing is a key research area.
Yb2(MoO4)3 possesses a framework with accessible voids suitable for functional sensing.

Purpose of the Study:

To design and synthesize Er3+ doped Yb2(MoO4)3 phosphors for dual-mode optical humidity sensing.
To investigate the mechanism of humidity-dependent luminescence modulation.
To evaluate the sensing performance, including sensitivity, repeatability, and reversibility.

Main Methods:

Hydrothermally assisted synthesis of Er3+ doped Yb2(MoO4)3 phosphors.
Characterization of luminescence properties (upconversion and downshifting) under 980 nm excitation.
Humidity-dependent optical response measurements (intensity and luminescence lifetime).

Main Results:

Synthesized phosphors exhibited both upconversion (UC) and downshifting (DS) luminescence.
Humidity exposure caused a significant decrease in UC green emission intensity and luminescence lifetime.
The observed changes were reversible upon dehydration, following Langmuir-Hinshelwood kinetics.

Conclusions:

Er3+ doped Yb2(MoO4)3 serves as a sensitive dual-mode optical humidity sensor.
The sensing mechanism relies on humidity-induced modulation of luminescence via nonradiative coupling.
This structure-guided design strategy enables robust optical sensing for environmental applications.