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

Dielectric Polarization in a Capacitor01:31

Dielectric Polarization in a Capacitor

4.9K
The presence of a dielectric medium in a capacitor not only changes the voltage and capacitance but also affects the electric field. In general, dielectrics can be of two types: polar and nonpolar. In a polar dielectric, the positive and negative charges in the molecules are separated by a distance and hence have a permanent dipole moment. In contrast, no such charge separation exists in a nonpolar dielectric, however the nonpolar molecules get polarized in the presence of an external electric...
4.9K
Photoelectric Effect02:26

Photoelectric Effect

29.9K
When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...
29.9K

You might also read

Related Articles

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

Sort by
Same author

Deconvolution of the Mg-Related blue band in GaN via selective chemical treatments.

Scientific reports·2026
Same author

Laboratory Rotational Spectroscopy of CaC<sub>3</sub>N and CaC<sub>4</sub>H.

The journal of physical chemistry. A·2025
Same author

Mode-specific low barrier tunneling dynamics in the à state of formaldehyde: The ν1 fundamental and ν4 + ν5 combination levels.

The Journal of chemical physics·2025
Same author

Insights into Hypermetallic Molecules En Route to Multiple Optical Cycling Centers: Thermodynamic and Spectroscopic Trends in Mg and Ca Bearing Acetylides.

The journal of physical chemistry. A·2025
Same author

Photo-Rechargeable Organic Supercapacitor via Light-Activated Electrolytes.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025
Same author

Chiral Amine-Induced Assembly of Toroidal Structures with a Carboxylic Acid-Functionalized, Polymerizable Macrocyclic Diacetylene.

Langmuir : the ACS journal of surfaces and colloids·2025

Related Experiment Video

Updated: Aug 17, 2025

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors
09:59

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors

Published on: June 23, 2018

7.9K

Multispectral and Circular Polarization-Sensitive Carbon Dot-Polydiacetylene Capacitive Photodetector.

Nitzan Shauloff1, Rajesh Bisht1, Yury Turkulets2

  • 1Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva, 8410501, Israel.

Small (Weinheim an Der Bergstrasse, Germany)
|December 12, 2022
PubMed
Summary

Researchers developed a novel capacitive photodetector using carbon dots and anthraquinone-polydiacetylene. This device offers selective detection of multispectral and circularly polarized light with high fidelity and recyclability.

Keywords:
capacitive photodetectorscarbon dotscircularly polarized light detectionmultispectral photodetectorspolydiacetylene

More Related Videos

Development of Whispering Gallery Mode Polymeric Micro-optical Electric Field Sensors
08:32

Development of Whispering Gallery Mode Polymeric Micro-optical Electric Field Sensors

Published on: January 29, 2013

13.3K
Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
10:28

Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique

Published on: March 24, 2023

1.2K

Related Experiment Videos

Last Updated: Aug 17, 2025

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors
09:59

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors

Published on: June 23, 2018

7.9K
Development of Whispering Gallery Mode Polymeric Micro-optical Electric Field Sensors
08:32

Development of Whispering Gallery Mode Polymeric Micro-optical Electric Field Sensors

Published on: January 29, 2013

13.3K
Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
10:28

Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique

Published on: March 24, 2023

1.2K

Area of Science:

  • Opto-electronics and photonics
  • Advanced materials science

Background:

  • Multispectral photodetectors (MSPs) and circularly polarized light (CPL) sensors are crucial for advanced imaging and optoelectronic applications.
  • Existing sensors often face limitations in selectivity, cost, or fabrication complexity.

Purpose of the Study:

  • To develop a novel, cost-effective, and environmentally friendly capacitive photodetector capable of sensing both multispectral and circularly polarized light.
  • To leverage the unique photoexcitation and charge transfer properties of carbon dots (C-dots) and anthraquinone-polydiacetylene (AQ-PDA) for photodetection.

Main Methods:

  • Fabrication of a capacitive photodetector using an interdigitated electrode coated with a C-dot/AQ-PDA composite film.
  • Utilizing the wavelength-dependent absorbance of C-dots and the chiral polymerization of the AQ-PDA framework to achieve spectral and polarization selectivity.
  • Investigating the photoexcitation-induced electron transfer mechanism and its effect on the film's dielectric constant and capacitance.

Main Results:

  • The C-dot/AQ-PDA photodetector demonstrated wavelength selectivity based on C-dot absorbance across a broad spectral range (350-650 nm), creating optical "capacitive fingerprints."
  • Chiral polymerization of the AQ-PDA framework enabled selective detection of circularly polarized light.
  • The photodetector exhibited rapid photo-response, high fidelity, and excellent recyclability due to the reversible redox reactions of anthraquinone.

Conclusions:

  • The developed C-dot/AQ-PDA capacitive photodetector presents a promising platform for multispectral and CPL sensing.
  • The fabrication process is inexpensive, straightforward, and utilizes environmentally friendly materials.
  • This technology offers a versatile and efficient solution for applications in opto-electronics, photonics, and imaging.