Organic Electronics - Presented by Chinju (Final Year Applied Electronics)

3. Organic electronics, plastic electronics or polymer electronics, is a branch of
electronics dealing with conductive polymers and conductive small molecules
Called as 'organic' electronics as the polymers and small molecules are
carbon-based
Most polymer electronics are laminar electronics, a category that also includes
transparent electronic package and paper based electronics
Conductive polymers are lighter, more flexible, and less expensive than
inorganic conductors. This makes them a desirable alternative in many
applications

4. Conductive Organic Materials
organic conductive materials can be grouped into two main
classes: conductive polymers and conductive small
molecules. Conductive small molecules are usually used in
the construction of organic semiconductors, which exhibit
degrees of electrical conductivity between those
of insulators and metals.

5. Organic Light Emitting Diodes (OLEDs)

6. OLED (organic
light-emitting
diode)
LED in which the
emissive
electroluminescent layer
is a film of organic
compound which emits
light in response to an
electric current
This layer of organic
semiconductor material is
situated between two
electrodes. Generally, at
least one of these
electrodes is transparent
2 main families of
OLEDs :
- those based on small
molecules
-those employing
polymers

7. Classification and Current research Progress
OLED organic materials can be divided into two major
families: small-molecule-based and polymer-based.
Small molecule OLEDs (SM-OLEDs)

8. Organic Field-Effect Transistor
 An Organic field-effect transistor is a field-effect
transistor utilizing organic molecules or polymers as
the active semiconducting layer.
 Two major classes of FET are n-type
and p-type semiconductor, classified according to the
charge type carried.

9. Organic Electronic Devices
Organic solar cells could cut the cost of solar power by making
use of inexpensive organic polymers rather than the
expensive crystalline silicon used in most solar cells.
 The so-called 'roll-to-roll'-deposition on flexible sheets is much
easier to realize in terms of technological effort than deposition on
fragile and heavy glass sheets.
 Transport and installation of lightweight flexible solar cells also
saves cost as compared to cells on glass

10. Organic Solar Cell
Compared to conventional inorganic solar cell, organic solar
cells have the advantage of lower fabrication cost. An organic
solar cell is a device that uses organic electronics to convert
light into electricity. Organic solar cells utilize organic
photovoltaic materials, organic semiconductor diodes that
convert light into electricity.

11. Device of Organic Field-effect Transistors
An organic field-effect transistor device consists of three major
components: the source, the drain and the gate. Generally, a
field-effect transistor has two plates, source in contact with drain
and the gate respectively, working as conducting channel.

12. FEATURES
 Organic electronics not only includes organic semiconductors,
but also organic dielectrics, conductors and light emitters.
 New applications include smart windows and electronic paper.
Conductive polymers are expected to play an important role in the
emerging science of molecular computers.

13. CONCLUSION
One of the benefits of organic electronics is their low
cost compared to traditional inorganic electronics.
With the consistent refinement of organic electronics,
numerous application possibilities for everyday use
will arise.