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Related Experiment Video

Updated: May 6, 2026

Optical Control of Living Cells Electrical Activity by Conjugated Polymers

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Published on: January 28, 2016

Bio-Inspired Photosensory Artificial Synapse Based on Functionalized Tellurium Multiropes for Neuromorphic Computing.

Adila Rani¹, M Junaid Sultan², Wanqi Ren¹

¹Electrical Engineering, Korea University, Anam-ro 145, Seongbuk-gu, Seoul, 02841, Republic of Korea.

Small (Weinheim an Der Bergstrasse, Germany)

|March 13, 2024

Summary

This summary is machine-generated.

New Tellurium-based nanomaterials, TeSOx and TeSeOx, demonstrate excellent optical artificial synaptic properties. These materials show promise for low-power, high-retention nervous system applications and optical neuromorphic computing.

Keywords:

Te multiropes defected TeSOx and TeSeOx structure photo‐synaptic devices

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Area of Science:

Materials Science
Nanotechnology
Neuroscience

Background:

Graphene and transition metal dichalcogenides are leading candidates for artificial photosensory synapses.
Tellurium (Te)-based nanomaterials are under-explored for these applications due to their intrinsic bandgap limitations.

Purpose of the Study:

To investigate the photo-synaptic properties of novel Tellurium sulfur oxide (TeSOx) and Tellurium selenium oxide (TeSeOx) nanomaterials.
To evaluate their potential for optical artificial synaptic applications and neuromorphic computing.

Main Methods:

Fabrication of TeSOx and TeSeOx nanomaterials via vapor deposition, incorporating S and Se onto Te multiropes.
Characterization of their photo-synaptic responses under various optical stimuli (UV, UV-vis light).
Fabrication and testing of transistor devices based on these nanomaterials.

Main Results:

TeSOx and TeSeOx multiropes exhibit controllable temporal dynamics under optical stimulation, unlike pure Te.
TeSeOx devices showed photosensory synaptic responses to UV-vis light (365, 565, 660 nm) with high responsivity (1500 AW-1 at 365 nm).
Demonstrated low-voltage (1 V) and low-light intensity (21 µW cm-2) operation, combining photodetector and optical synaptic functionalities.

Conclusions:

Covalently bonded TeSOx and TeSeOx nanomaterials possess superior photo-synaptic properties compared to pure Te.
These materials are highly promising for developing low-power, high-retention optical artificial synapses.
The findings pave the way for practical implementation in optical neuromorphic computing systems.