Efficient Photothermoelectric Conversion of CSS@BP/Bi₂Te₃ Array for Innovative Aircraft Attitude Recognition

Area of Science:

• Materials Science
• Nanotechnology
• Aerospace Engineering

Background:

• Flight attitude recognition is vital for safety and stability.
• Current methods face challenges with new materials and technologies.
• Advanced photothermal materials are needed for efficient sensing.

Purpose of the Study:

• To develop a novel photothermal material for enhanced flight attitude recognition.
• To create a portable and accurate attitude recognition system.
• To improve the efficiency and stability of flight sensing technologies.

Main Methods:

• Synthesized a chloroplast-like selenium-doped copper sulfide@black phosphorus (CSS@BP) composite.
• Fabricated a CSS@BP/Bi2Te3 photothermoelectric conversion array using pulsed laser deposition.
• Assembled a portable attitude recognition box (ARB) with a self-balancing laser and current measurement chip.

Main Results:

• The CSS@BP material exhibited a photothermal conversion efficiency of 68.9% at 405 nm.
• The CSS@BP/Bi2Te3 array generated rapid thermal current changes.
• The developed ARB achieved over 86.47% accuracy without complex algorithms, demonstrating stability and robustness.

Conclusions:

• The novel CSS@BP material and CSS@BP/Bi2Te3 array offer an innovative solution for flight attitude sensing.
• The portable ARB provides a low-cost, high-precision method for flight attitude recognition.
• This work advances photothermal materials and sensing technologies for aerospace applications.