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

You might also read

Related Articles

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

Sort by
Same author

Romosozumab and Cardiovascular Safety: Bridging the Gap between Clinical Trials and Real-World Evidence.

Endocrinology and metabolism (Seoul, Korea)·2026
Same author

Bending-Resistant Intimate 3D Graphene-Metal Heterojunctions for Highly Sensitive and Robust Flexible Sensors.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Elevated Serum CXCL9 Levels Are Associated with Greater Frailty Risk in Older Women.

Endocrinology and metabolism (Seoul, Korea)·2026
Same author

Steroid administration, timing, and dose in patients with septic shock in the emergency department: retrospective analysis of a multicenter prospective cohort study.

Scientific reports·2026
Same author

Longitudinal multi-platform profiling reveals temporal dynamics of HER2, TROP2, PD-L1 and tumor-infiltrating lymphocytes in triple-negative breast cancer.

medRxiv : the preprint server for health sciences·2026
Same author

O-GlcNAcylation reprograms microglial inflammatory states and attenuates Alzheimer's disease pathology.

Cell death & disease·2026

Related Experiment Video

Updated: Oct 4, 2025

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates
08:07

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates

Published on: June 18, 2013

15.2K

Aligned CuO nanowire array for a high performance visible light photodetector.

Min-Seung Jo1, Hyeon-Joo Song2, Beom-Jun Kim1

  • 1School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Taejon, 34141, Republic of Korea.

Scientific Reports
|February 11, 2022
PubMed
Summary
This summary is machine-generated.

This study introduces aligned copper oxide (CuO) nanowire arrays for high-performance visible light photodetectors. These structures significantly enhance light absorption and carrier conversion, leading to unprecedented optoelectronic capabilities.

More Related Videos

Well-aligned Vertically Oriented ZnO Nanorod Arrays and their Application in Inverted Small Molecule Solar Cells
09:32

Well-aligned Vertically Oriented ZnO Nanorod Arrays and their Application in Inverted Small Molecule Solar Cells

Published on: April 25, 2018

8.7K
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

Related Experiment Videos

Last Updated: Oct 4, 2025

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates
08:07

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates

Published on: June 18, 2013

15.2K
Well-aligned Vertically Oriented ZnO Nanorod Arrays and their Application in Inverted Small Molecule Solar Cells
09:32

Well-aligned Vertically Oriented ZnO Nanorod Arrays and their Application in Inverted Small Molecule Solar Cells

Published on: April 25, 2018

8.7K
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

Area of Science:

  • Materials Science
  • Nanotechnology
  • Optoelectronics

Background:

  • Copper oxide (CuO) is a promising material for visible light photodetection due to its ease of nanofabrication.
  • Previous research has explored various CuO nanostructures, but often with random orientations, limiting performance.
  • In-depth analysis of CuO's light interaction effects in different nanostructures is lacking.

Purpose of the Study:

  • To demonstrate an ultra-high performance CuO visible light photodetector using perfectly-aligned nanowire array structures.
  • To investigate the impact of aligned nanostructures on light absorption and carrier dynamics.
  • To achieve state-of-the-art optoelectronic performance in CuO-based photodetectors.

Main Methods:

  • Fabrication of perfectly-aligned CuO nanowire array structures with a critical dimension of 300 nm.
  • Utilizing designed geometry in the aligned nanowires to enhance light absorption via constructive interference.
  • Characterization of optoelectronic performance, including dark current, photocurrent, sensitivity, photo-responsivity, photo-detectivity, and response time.

Main Results:

  • The aligned CuO nanowire array structure suppressed dark current and enhanced photon-to-carrier conversion.
  • Designed nanostructures improved light absorption through constructive interference effects.
  • Achieved state-of-the-art performance: sensitivity (172.21%), photo-responsivity (16.03 A/W at 535 nm), photo-detectivity (7.78 × 10^11 Jones), and fast rise/decay times (0.31 s/1.21 s).

Conclusions:

  • Perfectly-aligned CuO nanowire arrays offer superior performance for visible light photodetectors compared to randomly oriented structures.
  • The proposed nanostructure design effectively enhances light absorption and carrier transport properties.
  • This work paves the way for advanced CuO-based optoelectronic devices with unprecedented sensitivity and speed.