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TiS3 Nanoribbons: A Novel Material for Ultra-Sensitive Photodetection across Extreme Temperature Ranges
Mohammad Talib1, Nishant Tripathi2, Samrah Manzoor1
1Centre for Nanoscience and Nanotechnology, Jamia Millia Islamia (A Central University), New Delhi 110025, India.
Sensors (Basel, Switzerland)
|July 11, 2023
Summary
High-performance titanium trisulfide (TiS3) photodetectors were developed for wide-temperature operation. These solid-state devices show excellent performance from cryogenic to elevated temperatures, crucial for scientific applications.
Area of Science:
- Materials Science
- Optoelectronics
- Solid-State Physics
Background:
- Wide-temperature range photodetectors are essential for aerospace, high-energy, and astro-particle science.
- Titanium trisulfide (TiS3) is a promising material for optoelectronic applications due to its unique properties.
Purpose of the Study:
- To investigate the temperature-dependent photodetection properties of TiS3.
- To develop high-performance TiS3-based photodetectors operational across a wide temperature range (77 K-543 K).
Main Methods:
- TiS3 nanoribbons synthesized via chemical vapor deposition.
- Solid-state photodetectors fabricated using dielectrophoresis.
- Material characterization using SEM, TEM, Raman, XRD, TGA, and UV-Vis-NIR spectroscopy.
Main Results:
- Photodetector demonstrated rapid response (~0.093 s) and high ON/OFF ratio (~32).
- Exceptional performance metrics including high photocurrent (6.95 × 10^-5 A), photoresponsivity (1.624 × 10^8 A/W), and detectivity (4.328 × 10^15 Jones) at 617 nm.
- Consistent high performance observed across the 77 K-543 K temperature range.
Conclusions:
- The developed TiS3 photodetector exhibits robust performance over an extensive temperature range.
- This technology holds significant potential for advanced optoelectronic devices in demanding scientific fields.
- Further research can explore optimization for specific extreme-environment applications.
