This document discusses optoelectronics and double perovskite materials. It begins by defining single and double perovskite materials, noting their crystal structures and unique physical properties. It then outlines some advantages of double perovskites, such as tunable properties and stability. Applications discussed include solar cells, catalysis, data storage, and superconductors. The document goes on to define optoelectronics, provide examples of devices, and discuss historical developments, working principles, applications, and advantages. It notes double perovskites' potential uses in optoelectronic devices for light absorption, emission, photovoltaics, and as tunable quantum dots or photo detectors. The purpose is outlined as designing

1. Optoelectronics
Device’s
Name Saqib Ali
Department of Physics
University Of Narowal

2. Table of contents
� Perovskite Materials
� Double perovskite
� Optoelectronics
� Our purpose or intention
� Future scope

3. Single Perovskite materials
� Discovered in 1839 by mineralogist , Lev A. Perovski
� Formula ABX3
� Simple cubic close-packed
� Unique physical properties
� Used in optoelectronic and photovoltaic devices

4. Double Perovskite Materials
� Definition: A compound with a general formula A2BB'O6
� Crystal Structure: Distorted octahedral network
� A2 and BB'O6 sites explained

5. Advantage of Double Perovskite
� Tunable Properties: Flexibility in choosing A and B elements Enhanced
� Stability: Improved resistance to phase transitions Diverse Electronic
� Properties: Varied electrical and magnetic properties environmental
� Friendliness: Potential for sustainable materials

6. Applications of Double Perovskite
Materials
� Energy Conversion: Solar cells,
thermoelectric materials
� Catalysis: Oxygen evolution
catalyst
� Data Storage: Magnetic memory
devices
� Superconductors: Potential for
high-temperature
superconductivity

7. Future Scope
� Emerging Trends: Research and development in double perovskite
materials
� Green Energy: Advancements in solar cells and energy storage
� Quantum Computing: Potential applications in quantum technologies
� Environmental Remediation: Role in pollution control

8. Optoelectronics Device's
● Optics and Electronics
● Types
● Light into electrical energy
● Electrical energy into light
Examples
� light-emitting diode
� photodiode
� solar cells
� laser diodes
� optical fibre
� photo detector

9. Historical Perspective
� Emergence of Optoelectronics in the 20th century.
� Development of LEDs (Nick Holonyak Jr., 1962).
� Invention of the Laser (Theodore Maiman, 1960).
� Fiber Optics Revolution (1970s onwards).

10. Working Principle
� Overview of the working principle:
� Light Emission: LEDs and Lasers.
� Light Detection: Photodiodes and Phototransistors.
� Light Modulation: Liquid Crystal Displays (LCDs).
� Light Amplification: Optical Amplifiers.

11. Applications
� Overview of diverse
applications:
� Communication: Fiber optics for
high-speed data transmission.
� Display Technology: LEDs, OLEDs,
and LCDs.
� Sensing: Photodetectors for
environmental monitoring.
� Medical Devices: Laser-based
surgeries and diagnostics.
� Energy Efficiency: Solid-state
lighting and solar cells.
.

12. Advantages of Optoelectronic Devices
� Energy Efficiency: Lower power consumption.
� High Speed: Fast data transmission.
� Compactness: Miniaturized components.
� Durability: Longer lifespan.
� Precision: Accurate sensing and control.

13. Impact on Latest Technology
� Transformative Role: Enabling
technologies like 5G, autonomous
vehicles, and augmented reality.
� Sustainability: Energy-efficient
lighting and solar energy.
� Healthcare Revolution: Optical
imaging and diagnostics.
� Data Centers: Optical
interconnects for high-speed
data processing.
.

14. Future Scope
� Emerging Trends: Quantum dot
LEDs, photonic integrated circuits.
� Biomedical Advancements: Non-
invasive diagnostics and
treatment.
� Quantum Communication:
Secure communication via
entangled photons.
� Internet of Things (IoT): Integration
into IoT devices for sensing
and data transfer.
.

15. Double perovskite in optoelectronic
Double Perovskite materials have
� Unique optical and electronic properties
� Potential application
These Properties used in optoelectronic devices
� Light absorption and emission
� Photovoltaic application
� Light emitting diode (LEDs)
� Tunable Optical properties
� Quantum dots
� Photo detector
� Optical amplification

16. Purpose or Intention
� To design a material for solar cell
� Efficiency greater than 20 %
� At minimum cost
� Non toxic or eco-friendly
� By the means of DFT

17. Thank you