Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Variables Affecting Phosphorescence and Fluorescence01:26

Variables Affecting Phosphorescence and Fluorescence

1.1K
Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
1.1K
Photoluminescence: Applications01:14

Photoluminescence: Applications

893
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...
893

You might also read

Related Articles

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

Sort by
Same author

Fabric-Based Dual-Mode Pressure Sensor System with a Wide Detection Range Fabricated via Direct Laser Writing.

ACS sensors·2026
Same author

Single-Molecule Memristor Realizing Synaptic Plasticity for Neuromorphic Applications.

Angewandte Chemie (International ed. in English)·2026
Same author

Highly sensitive X-ray responsive molecular switches.

Nature communications·2026
Same author

High-Contrast Handedness Inversion in Circularly Polarized Organic Ultralong Phosphorescence Enabled by an Antagonistic Chirality-Offset Helical Superstructure.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Engineering Long-Term Hydrogel Stability for Reliable Bioelectronics.

ACS nano·2026
Same author

Achieving robust cholesteric liquid crystal polymer networks with high luminescence dissymmetry factor.

Nature communications·2026

Related Experiment Video

Updated: Dec 10, 2025

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.5K

Fluorescence Lifetime-Tunable Water-Resistant Perovskite Quantum Dots for Multidimensional Encryption.

Xiao-Fei Liu1, Liang Zou2, Chen Yang1

  • 1State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Special Function Materials and Structure Design, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.

ACS Applied Materials & Interfaces
|August 28, 2020
PubMed
Summary

Researchers developed perovskite quantum dot/polymer nanospheres for secure data encryption. These materials offer tunable fluorescence lifetimes and identical spectra, enabling advanced multidimensional encryption strategies.

Keywords:
encryptionfluorescence lifetimeperovskitequantum dotsstability

More Related Videos

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
10:41

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

9.1K
Production and Targeting of Monovalent Quantum Dots
10:16

Production and Targeting of Monovalent Quantum Dots

Published on: October 23, 2014

25.9K

Related Experiment Videos

Last Updated: Dec 10, 2025

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.5K
Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
10:41

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

9.1K
Production and Targeting of Monovalent Quantum Dots
10:16

Production and Targeting of Monovalent Quantum Dots

Published on: October 23, 2014

25.9K

Area of Science:

  • Materials Science
  • Optics
  • Chemistry

Background:

  • Optical multiplexing using the temporal dimension is a key strategy for enhancing data encryption security.
  • Modifying fluorescence lifetime often alters spectra, compromising confidential data protection.
  • Perovskite quantum dots (PQDs) offer unique optical properties but require stabilization for practical applications.

Purpose of the Study:

  • To develop novel perovskite quantum dot/polymer nanospheres (PQD/polymer) for multidimensional data encryption.
  • To achieve tunable and long fluorescence lifetimes with invariant fluorescence spectra.
  • To leverage water sensitivity for spatial dimension encryption and fluorescence lifetime for temporal dimension encryption.

Main Methods:

  • Synthesis of various PQD/polymer nanospheres with controlled properties.
  • Utilizing the differential water stability of PQDs and PQD/polymers for spatial encryption.
  • Employing fluorescence lifetime imaging microscopy and time-gated luminescence imaging for data decryption.
  • Characterization of fluorescence lifetime and spectral properties of the developed materials.

Main Results:

  • Successfully prepared PQD/polymer nanospheres with tunable, long fluorescence lifetimes and identical fluorescence spectra.
  • Demonstrated a dual encryption strategy combining spatial (water stability) and temporal (fluorescence lifetime) dimensions.
  • Achieved data decryption using advanced imaging techniques, confirming the encryption strategy's efficacy.
  • Showcased the stability and encryption capabilities of the PQD/polymer system.

Conclusions:

  • PQD/polymer nanospheres are promising materials for advanced, multidimensional data encryption.
  • The developed strategy overcomes the spectral alteration issue in traditional fluorescence lifetime-based encryption.
  • This research opens new avenues for secure information storage and transmission using nanomaterials.