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Difference between Organic material and Inorganic material | Organic vs Inorganic material

This page compares Organic vs Inorganic material and mentions difference between Organic material and Inorganic material. Their respective advantages, disadvantages and example LEDs are used for comparison purpose.

Introduction: Organic materials are characterized by presence of carbon atoms where as inorganic materials do not contain carbon atoms. Organic compound materials contain carbon, hydrogen, oxygen and their derivatives. Inorganic compound materials do not contain oxygen or hydrogen and their derivatives.

Organic Material

The chemical compounds containing carbon elements are called organic materials. They are used in lighting and display industries.

Examples of organic materials include wood, feathers, leather, synthetic materials etc.

Examples of organic material based LEDs are OLED (known as Organic Electroluminescent diode), AMOLED (Active Matrix OLED) and super AMOLED.

Organic LED

Example of organic material based LED is shown in the figure-1 with different layers used in its construction. It can be fabricated on glass, silicon or plastic. Matrix displays are readily fabricated.

Refer advantages and disadvantages of OLEDs and AMOLEDs.

Inorganic Material

The inorganic materials are defined as group of chemicals which contain no carbon (C) elements. Examples of such materials are ammonia, hydrogen sulfide, metals, Glass, ceramics etc. They are derived from non-living sources which include rocks or minerals.

Examples of inorganic material based LED is micro LEDs which use GaN as it is self emitting and does not require back light for its operation. Refer advantages and disadvantages of Micro LEDs.

Inorganic LED

Example of inorganic material based LED is shown in the figure-2 with different layers used in its construction. It requires specific and expensive substrates. High resolution, surface emitting devices are not commercially available. Matrix addressed LEDs are not demonstrated commercially.

Inorganic LEDs are LEDs which are developed using crystalline semiconductor. The optical emission wavelength is selected by variation in material composition. Examples active regions are germanium, gallium nitride, gallium arsenide, Indium Phosphide etc. Inorganic LEDs are replacing conventional incandescent light bulbs rapidly. They consume very low power.

Difference between Difference between Organic and Inorganic material

Following table mentions difference between Organic and Inorganic material.

Features Organic Material Inorganic Material
Structure (Morphology) Amorphous
Single Crystalline
Charge Carrier Properties Molecular Lattice
Mobility (in cm2/Vs) 10-3 to 10-5 1 to 1500
Processing Low Temperature High Temperature
Synthetic Flexibility High Low
Stability Currently an issue Very Good
Solubility Insoluble in water Soluble in water
Places Found in most of living things Found in non-living things
Melting point/Boiling point Higher Lower

Organic LED related links

OLED basics and OLED types
Advantages of OLED display
Advantages and disadvantages of OLED
Difference between QLED and OLED
Difference between AMOLED and Super AMOLED

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