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

P-N junction01:11

P-N junction

571
A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
571

You might also read

Related Articles

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

Sort by
Same author

Designing tungsten sulfide blended perovskite anchored carbon nanotube composites for high-performance supercapacitors.

Dalton transactions (Cambridge, England : 2003)·2026
Same author

Retraction: Superior electrochemical performances of highly porous bismuth oxyhalide/lemon peel derived activated carbon electrode materials for solid state asymmetric and symmetric supercapattery devices.

RSC advances·2026
Same author

Cobalt in the soil-plant system across deficient, beneficial and toxic levels: data analysis and mechanistic interpretations.

Environmental science. Processes & impacts·2026
Same author

Superior electrochemical performances of highly porous bismuth oxyhalide/lemon peel derived activated carbon electrode materials for solid state asymmetric and symmetric supercapattery devices.

RSC advances·2025
Same author

Using a Radical Straitjacket to Enforce an Ultrashort Dy-Dy Distance and Thus Enhance Dipolar Interactions in a Dy<sup>III</sup><sub>2</sub> Dimer.

Inorganic chemistry·2025
Same author

Strategic drive toward bi-linker MOFs: an efficient electrocatalyst for hydrogen and oxygen evolution reactions.

RSC advances·2025

Related Experiment Video

Updated: Jul 17, 2025

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices
11:06

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices

Published on: July 8, 2016

10.5K

Bulk Photovoltaic Effect in Two-Dimensional Distorted MoTe2.

Sikandar Aftab1, Muhammad Arslan Shehzad2, Hafiz Muhammad Salman Ajmal3

  • 1Department of Intelligent Mechatronics Engineering, Sejong University, Seoul 05006, South Korea.

ACS Nano
|September 1, 2023
PubMed
Summary
This summary is machine-generated.

Mechanical distortion induces bulk photovoltaic effects in 2D MoTe2, overcoming Shockley-Queisser limits for solar cells. This breakthrough in materials science offers a new path for efficient photon-to-electricity conversion.

Keywords:
2D materialsShockley-Queisser limitTMDbulk photovoltaicphase transitionpiezoelectric

More Related Videos

Close-Space Sublimation-Deposited Ultra-Thin CdSeTe/CdTe Solar Cells for Enhanced Short-Circuit Current Density and Photoluminescence
12:21

Close-Space Sublimation-Deposited Ultra-Thin CdSeTe/CdTe Solar Cells for Enhanced Short-Circuit Current Density and Photoluminescence

Published on: March 6, 2020

8.2K
A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

9.7K

Related Experiment Videos

Last Updated: Jul 17, 2025

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices
11:06

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices

Published on: July 8, 2016

10.5K
Close-Space Sublimation-Deposited Ultra-Thin CdSeTe/CdTe Solar Cells for Enhanced Short-Circuit Current Density and Photoluminescence
12:21

Close-Space Sublimation-Deposited Ultra-Thin CdSeTe/CdTe Solar Cells for Enhanced Short-Circuit Current Density and Photoluminescence

Published on: March 6, 2020

8.2K
A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

9.7K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Traditional solar cells face thermodynamic limits (Shockley-Queisser limit) for solar-to-current conversion.
  • Bulk photovoltaic effects in piezoelectric or ferroelectric materials offer a potential route to overcome these limits by breaking inversion symmetry.
  • Two-dimensional (2D) materials present novel platforms for exploring advanced photovoltaic phenomena.

Purpose of the Study:

  • To investigate mechanical distortion-induced bulk photovoltaic behavior in 2D Molybdenum Ditelluride (MoTe2).
  • To explore the phase transition of MoTe2 and its impact on photovoltaic properties.
  • To demonstrate a new approach for enhancing solar energy conversion efficiency in optoelectronics.

Main Methods:

  • Inducing a phase transition in MoTe2 from semiconducting 2H-MoTe2 to semimetallic 1T'-MoTe2 via mechanical distortion.
  • Utilizing X-ray photoelectron spectroscopy (XPS) to confirm the phase transition.
  • Employing a micrometer-scale system to measure energy absorption and photovoltaic response (photovoltage, photocurrent, responsivity, external quantum efficiency).

Main Results:

  • Confirmed phase transition from 2H-MoTe2 to 1T'-MoTe2, accompanied by a reduction in energy absorption from 800 to 63 meV.
  • Observed a significant bulk photovoltaic response with a maximum open-circuit voltage (VOC) of 16 mV and short-circuit current (ISC) of 60 μA.
  • Achieved maximum responsivity (R) of 98 mAW−1 and external quantum efficiency (EQE) of 30% without an external electric field.

Conclusions:

  • Mechanical distortion of 2D MoTe2 can induce a bulk photovoltaic effect due to broken inversion symmetry during phase transition.
  • The observed photocurrent response is linked to in-plane polarity, showcasing potential in transition metal dichalcogenide (TMD) nanomaterials.
  • This research presents a novel strategy for optimizing photon-to-electricity conversion efficiency in optoelectronic devices for power harvesting.