FACTOID # 65: Per capita, South Africa has the most assaults, rapes, and murders with firearms.
 
 Home   Encyclopedia   Statistics   Countries A-Z   Flags   Maps   Education   Forum   FAQ   About 
 
WHAT'S NEW
RECENT ARTICLES
More Recent Articles »
 

FACTS & STATISTICS    Simple view

  1. Select countries to view: (hold down Control key and click to select several)

     

     

    Compare:

     

     
  1. Select fact or statistic: (* = graphable)

     

     

     

  2. (OPTIONAL) Compare to statistic: (both need to be graphable)

     

     

     

  3. View result as:

     

       
(OR) SEARCH ALL encyclopedia, stats & forums:   

Encyclopedia > Polyacetylene

Polyacetylene (PA) is conducting polymer of the rigid-rod polymer host family.


External links

  • Polyacetylene (http://romano.physics.wisc.edu/winokur/handbook/node5.html)

  Results from FactBites:
 
Conductive polymer - Wikipedia, the free encyclopedia (1441 words)
In polyacetylene, but not in most other conductive polymers, this creates degeneracy in the frontier molecular orbitals (the highest occupied and lowest unoccupied orbitals named HOMO and LUMO respectively).
Melanin is the classic example of both types of doping, being both an oxidized polyacetylene and likewise commonly being hydrated.
The melanin pigment in animals is generally a mixed copolymer of polyacetylene, polypyrrole, and polyaniline.
Document Title (3528 words)
Polyacetylene exists as both the cis and the trans form.
Polyacetylene can be doped with electron donors and electron acceptors to form both n-type and p-type semiconductors.
Polyacetylene is often referred to in the literature as an
  More results at FactBites »


 

COMMENTARY     


Share your thoughts, questions and commentary here
Your name
Your comments
Please enter the 5-letter protection code

Want to know more?
Search encyclopedia, statistics and forums:
 


Lesson Plans | Student Area | Student FAQ | Reviews | Press Releases |  Feeds | Contact
The Wikipedia article included on this page is licensed under the GFDL.
Images may be subject to relevant owners' copyright.
All other elements are (c) copyright NationMaster.com 2003-5. All Rights Reserved.
Usage implies agreement with terms.