High performance photodetectors based on InS, InSSe and InSe nanostructures

• Published in: Materials advances Vol. 5; no. 1; pp. 4178 - 4186
• Main Authors: Khimani, Ankurkumar J, Kadam, Sujit A, Giri, Ranjan Kr, Zankat, Chetan K, Ma, Yuan-Ron
• Format: Journal Article
• Published: 20-05-2024
• ISSN: 2633-5409
• DOI: 10.1039/d3ma00808h

One-dimensional (1D) nanostructures, including nanofibers, nanocubes, and nanoplates of In
2
S
3
, In
2
S
1.5
Se
1.5
, and In
2
Se
3
semiconductors, were synthesized using a hydrothermal technique for studying their photodetector behaviour. Photocurrent measurements demonstrate that semiconducting In
2
Se
3
1D nanofibers display an exceptional response to white light, with a photo responsivity of 185.8 mA W
−1
and a detectivity of 22.6 × 10
9
Jones, which is four times greater than that of In
2
S
3
and In
2
S
1.5
Se
1.5
nanostructures. The response times of the In
2
Se
3
photodetectors are impressively short, measuring only 8.8 seconds. The superior responsivity detectivity and faster response time of the 1D In
2
Se
3
nanofibers can be attributed to their large surface area, which boosts light absorption and facilitates efficient charge transfer, thereby enhancing the overall device performance.
One-dimensional (1D) nanostructures, including nanofibers, nanocubes, and nanoplates of In
2
S
3
, In
2
S
1.5
Se
1.5
, and In
2
Se
3
semiconductors, were synthesized using a hydrothermal technique for studying their photodetector behaviour.