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

Voltaic/Galvanic Cells

Voltaic/Galvanic Cells

Spontaneous Chemical Reactions
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...

You might also read

Related Articles

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

Sort by

Same author

3-Benzofuranone Based Asymmetric Guest Nonfullerene Acceptors for Reduced Voltage Loss.

Small (Weinheim an der Bergstrasse, Germany)·2026

Same author

Hierarchical FBN@Co/CoO heterointerfaces for synergistically tailored microwave attenuation and efficient thermal transport.

iScience·2026

Same author

Highly sensitive determination of glutathione with a colorimetric sensor based on bimetallic Pt-Cu nanorods as peroxidase mimetics.

Talanta·2026

Same author

Multiscale Convolutional Stochastic Configuration Network Soft Sensor Modeling Method.

IEEE transactions on neural networks and learning systems·2026

Same author

Functionalized boron nitride nanomaterials: Exploring antioxidant and antitumor activities for advanced therapeutic applications.

iScience·2026

Same author

White-Light Emission in Zeolitic Imidazolate Framework Glasses.

Advanced materials (Deerfield Beach, Fla.)·2026

Search research articles

Related Experiment Video

Updated: Apr 15, 2026

In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation

In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation

Published on: March 2, 2021

Simple O2 plasma-processed V2O5 as an anode buffer layer for high-performance polymer solar cells.

Xichang Bao¹, Qianqian Zhu², Ting Wang¹

¹†CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China.

ACS Applied Materials & Interfaces

|March 27, 2015

Summary

A simple oxygen (O2) plasma method creates an efficient vanadium oxide (V2O5) anode buffer layer for polymer solar cells (PSCs). This O2 plasma-processed V2O5 layer significantly boosts power conversion efficiencies (PCEs) in PSCs.

Keywords:

O2 plasma processing V2O5 annealing-free anode buffer layer efficient polymer solar cells

More Related Videos

Development of Efficient OLEDs from Solution Deposition

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

Improved Heterojunction Quality in Cu2O-based Solar Cells Through the Optimization of Atmospheric Pressure Spatial Atomic Layer Deposited Zn1-xMgxO

Improved Heterojunction Quality in Cu2O-based Solar Cells Through the Optimization of Atmospheric Pressure Spatial Atomic Layer Deposited Zn1-xMgxO

Published on: July 31, 2016

Related Experiment Videos

Last Updated: Apr 15, 2026

In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation

In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation

Published on: March 2, 2021

Development of Efficient OLEDs from Solution Deposition

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

Improved Heterojunction Quality in Cu2O-based Solar Cells Through the Optimization of Atmospheric Pressure Spatial Atomic Layer Deposited Zn1-xMgxO

Improved Heterojunction Quality in Cu2O-based Solar Cells Through the Optimization of Atmospheric Pressure Spatial Atomic Layer Deposited Zn1-xMgxO

Published on: July 31, 2016

Area of Science:

Materials Science
Renewable Energy
Organic Electronics

Background:

Polymer solar cells (PSCs) require efficient anode buffer layers to optimize performance.
Indium tin oxide (ITO) is a common substrate, but its interfacial properties can limit device efficiency.

Purpose of the Study:

To develop a simple and effective oxygen (O2) plasma processing method for creating vanadium oxide (V2O5) anode buffer layers.
To investigate the impact of this O2 plasma-processed V2O5 layer on the performance of PSCs.

Main Methods:

Spin coating a vanadium(V) triisopropoxide oxide alcohol solution onto ITO-coated glass.
Treating the coated layer with O2 plasma for 10 minutes to form the V2O5 anode buffer layer.
Fabricating and testing PSCs with the V2O5 (O2 plasma) layer using P3HT:PC61BM and PBDTTT-C:PC71BM active layers.

Main Results:

The V2O5 (O2 plasma) layer exhibited high transmittance and favorable electrical and interfacial properties.
PSCs utilizing the V2O5 (O2 plasma) buffer layer achieved power conversion efficiencies (PCEs) of 4.47% and 7.54% for the respective active layers.
Compared to control devices, PCEs were improved by 15.6% (for PSS) and 20.2% (for thermally annealed V2O5), attributed to enhanced fill factor and short-circuit current density.

Conclusions:

O2 plasma-processed V2O5 is an efficient, economical anode buffer layer for high-performance PSCs.
The improved performance is linked to modifications in work function, increased dangling bonds for better interfacial contact, and excellent charge transport.
This method offers a promising route for low-cost fabrication of organic electronic devices.