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The Future of Organic Electronics. Jaya Movva Ben Spearin Jon Anderson Joshua Wrazen . Inorganic vs. Organic. Organic electronics, or plastic electronics, is the branch of electronics that deals with conductive polymers, which are carbon based.

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the future of organic electronics
The Future of Organic Electronics

Jaya Movva Ben Spearin

Jon Anderson Joshua Wrazen

inorganic vs organic
Inorganic vs. Organic
  • Organic electronics, or plastic electronics, is the branch of electronics that deals with conductive polymers, which are carbon based.
  • Inorganic electronics, on the other hand, relies on inorganic conductors like copper or silicon.

Silicon sample

Carbon sample

benefits and obstacles
Benefits and Obstacles
  • Organic electronics are lighter, more flexible, and less expensive than their inorganic counterparts.
  • They are also biodegradable (being made from carbon).
  • This opens the door to many exciting and advanced new applications that would be impossible using copper or silicon.
  • However, conductive polymers have high resistance and therefore are not good conductors of electricity.
  • In many cases they also have shorter lifetimes and are much more dependant on stable environment conditions than inorganic electronics would be.
slide4

Organic Electronic

$5 / ft2

Low Capital

10 ft x Roll to Roll

Flexible Plastic Substrate

Ambient Processing

Continuous Direct Printing

Silicon

$100 / ft2

$1-$10 billion

< 1m2

Rigid Glass or Metal

Ultra Cleanroom

Multi-step Photolithography

Cost

Fabrication Cost

Device Size

Material

Required Conditions

Process

http://www.xeroxtechnology.com/ip1.nsf/sedan1?readform&unid=2D1FF1AC91C40AA985256D1A00616714

organic light emitting diodes oleds
Organic Light Emitting Diodes (OLEDs)
  • An OLED is a thin film LED in which the emissive layer is an organic compound.
  • When this layer is polymeric (or plastic), OLEDs can be deposited in rows and columns on a screen using simple printing methods that are much more efficient than those used in manufacturing traditional LEDs.
  • A key benefit of

OLEDs is that

they don’t need

a backlight to

function.

how it works
How it Works
  • An electron and hole pair is generated inside the emissive layer by a cathode and a transparent anode, respectively.
  • When the electron

and hole combine,

a photon is

produced, which

will show up as a

dot of light on the

screen.

  • Many OLEDs together on a screen make up a picture
slide7
Less expensive to produce
  • Wide range of colors and viewing angle
  • Consumes much less energy than traditional LCDs.
  • Flexible and extremely thin
  • Limited lifetime of about 1,000 hours.
  • Susceptible to water
organic transistors
Organic transistors
  • INTRODUCTION

Organic transistors are transistors that use organic molecules rather than silicon for their active material. This active material can be composed of a wide variety of molecules.

  • Advantages of organic transistors:
    • Compatibility with plastic substances
    • Lower temperature is used while manufacturing (60-120°C)
    • Lower cost and deposition processes such as spin-coating, printing and evaporation
    • Less need to worry about dangling bonds( simplifies the process)
  • Disadvantages of organic transistors:
    • Lower mobility and switching speeds compared to Si

wafers

    • Usually does not operate under invasion mode.

Example of an organic transistor (on the side)

organic thin film transistors otfts
Organic Thin film transistors(OTFTS)
  • TFTs are transistors created using thin films, usually of silicon deposited on glass. The deposited silicon must be crystallized using laser pulses at high temperatures. OTFTs active layers can be theramlly evaporated and deposited on any organic substrate (a flexible piece of plastic) at much lower temperatures.
  • Benefits of an OTFT:
    • Does not require glass substrate as

amorphous Si does. It could be made

on a piece of plastic.

    • Manufactured at lower temperatures
    • Deposition techniques could reduce

costs dramatically.

  • Challenges involved:
    • Workarounds for complications with photo resists.
    • To find organic semiconductors with high enough

mobilities and

switching times.

picture of an otft made on a plastic substrate
Pictureof an OTFT made on a plastic substrate
  • FUTURE
    • OTFT technology’s application is diverse.

Organic thin-film transistor (OTFT) technology

involves the use of organic semiconducting

compounds in electronic components,

notably computer displays. Such displays are

bright, the colors are vivid, they provide fast

response times (which need to be developed

in OTFT), and they are easy to read in most

ambient lighting environments.

    • Organic substrates allow for displays to be fabricated on flexible surfaces, rather than on

rigid materials as is necessary in traditional TFT displays. A piece of flexible plastic might be

coated with OTFT material and made into a display that can be handled like a paper

document. Sets of such displays might be bundled, producing magazines or newspapers

whose page contents can be varied periodically, or even animated. This has far-reaching

ramifications. For example, comic book characters might move around the pages and

speak audible words. More likely, such displays will find use in portable computers and

communications systems.

production and applications
Production and Applications
  • Quicker Checkout
  • Inventory Control
  • Reduced Waste
  • Efficient flow of goods from manufacturer to consumer
production specifications of manufacturing a nano rfid
Production Specifications of Manufacturing a Nano-RFID
  • > 96 bits
  • Four main communication Bands: 135KHz, 13.56MHz, 900MHz, 2.4 GHz
  • Vacuum Sublimation
slide14

The Future of Organic Electronics

http://www.orgatronics.com/organic_electronics.html

smart textiles

The Future of Organic Electronics

Smart Textiles

Integrates electronic devices into textiles, like clothing

Made possible because of low fabrication temperatures

Has many potential

uses, including:

Monitoring heart-rate

and other vital signs,

controlling embedded

devices (mp3 players),

keep the time…

http://www.orgatronics.com/smart_fabrics.html

lab on a chip

The Future of Organic Electronics

Lab on a Chip

A device that incorporates multiple laboratory functions in a single chip

Organic is replacing some Si fabrication methods:

-Lower cost

-Easier to manufacture

-More flexible

http://www.orgatronics.com/lab_on_chip.html

portable compact screens

The Future of Organic Electronics

Portable, Compact Screens

Screens that can roll up into small devices

Black and White prototype already made by Philips(the Readius™ at the bottom-left)

Color devices will be here eventually

http://jscms.jrn.columbia.edu/cns/2005-04-05/gencer-plasticelectronics

http://www.polymervision.com/Technology/downloads/Index.html

references
References
  • http://whatis.techtarget.com/definition/0,,sid9_gci512140,00.html
  • students.washington.edu/jetpeach/ EE341_Organic_Transistors_Presentation.ppt
  • http://www.chem.uky.edu/research/anthony/tft.html
  • http://en.wikipedia.org/wiki/OLED
  • www.tagsysrfid.com
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