Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Patterning and electronic tuning of laser scribed graphene for flexible all-carbon devices
ACS Nano, Volume 6, No. 2, Year 2012
Notification
URL copied to clipboard!
Description
Engineering a low-cost graphene-based electronic device has proven difficult to accomplish via a single-step fabrication process. Here we introduce a facile, inexpensive, solid-state method for generating, patterning, and electronic tuning of graphene-based materials. Laser scribed graphene (LSG) is shown to be successfully produced and selectively patterned from the direct laser irradiation of graphite oxide films under ambient conditions. Circuits and complex designs are directly patterned onto various flexible substrates without masks, templates, post-processing, transferring techniques, or metal catalysts. In addition, by varying the laser intensity and laser irradiation treatments, the electrical properties of LSG can be precisely tuned over 5 orders of magnitude of conductivity, a feature that has proven difficult with other methods. This inexpensive method for generating LSG on thin flexible substrates provides a mode for fabricating a low-cost graphene-based NO 2 gas sensor and enables its use as a heterogeneous scaffold for the selective growth of Pt nanoparticles. The LSG also shows exceptional electrochemical activity that surpasses other carbon-based electrodes in electron charge transfer rate as demonstrated using a ferro-/ferricyanide redox couple. © 2012 American Chemical Society.
Authors & Co-Authors
Strong, Veronica A.
United States, Los Angeles
University of California, Los Angeles
Dubin, Sergey
United States, Los Angeles
University of California, Los Angeles
El-Kady, Maher F.
United States, Los Angeles
University of California, Los Angeles
Egypt, Giza
Faculty of Science
Lech, Andrew T.
United States, Los Angeles
University of California, Los Angeles
Wang, Yue
United States, Los Angeles
University of California, Los Angeles
Weiller, Bruce H.
United States, El Segundo
Aerospace Corporation, Usa
Kaner, Richard B.
United States, Los Angeles
University of California, Los Angeles
Statistics
Citations: 345
Authors: 7
Affiliations: 3
Identifiers
Doi:
10.1021/nn204200w
ISSN:
19360851
e-ISSN:
1936086X
Research Areas
Environmental