Next Article in Journal
Tailoring Porosity and CO2 Capture Performance of Covalent Organic Frameworks Through Hybridization with Two-Dimensional Nanomaterials
Previous Article in Journal
A Study on the Multifunctional Properties and Application Perspectives of ZnO/SiC Composite Materials
 
 
Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
Journals
Inorganics
Volume 13
Issue 7
10.3390/inorganics13070236
inorganics-logo
Submit to this Journal Review for this Journal Propose a Special Issue
► Article Menu

Article Menu

share Share announcement Help format_quote Cite question_answer Discuss in SciProfiles
first_page
settings
Order Article Reprints
Font Type:
Arial Georgia Verdana
Font Size:
Aa Aa Aa
Line Spacing:
Column Width:
Background:
Article

Near-Infrared Synaptic Responses of WSe2 Artificial Synapse Based on Upconversion Luminescence from Lanthanide Doped Nanoparticles

by
Yaxian Lu
,
Chuanwen Chen
,
Qi Sun
,
Ni Zhang
,
Kun Lv
,
Zhiling Chen
,
Yuelan He
,
Haowen Tang
and
Ping Chen
*
Center on Nano-Energy Research, Guangxi Key Laboratory for Relativistic Astrophysics, School of Physical Science and Technology, Guangxi University, Nanning 530004, China
*
Author to whom correspondence should be addressed.
Inorganics 2025, 13(7), 236; https://doi.org/10.3390/inorganics13070236
Submission received: 28 May 2025 / Revised: 2 July 2025 / Accepted: 8 July 2025 / Published: 10 July 2025
(This article belongs to the Section Inorganic Materials)
Browse Figures
Versions Notes

Abstract

Near-infrared (NIR) photoelectric synaptic devices show great potential in studying NIR artificial visual systems integrating excellent optical characteristics and bionic synaptic plasticity. However, NIR synapses based on transition metal dichalcogenides (TMDCs) suffer from low stability and poor environmental performance. Thus, an environmentally friendly NIR synapse was fabricated based on lanthanide-doped upconversion nanoparticles (UCNPs) and two-dimensional (2D) WSe2 via solution spin coating technology. Biological synaptic functions were simulated successfully through 975 nm laser regulation, including paired-pulse facilitation (PPF), spike rate-dependent plasticity, and spike timing-dependent plasticity. Handwritten digital images were also recognized by an artificial neural network based on device characteristics with a high accuracy of 97.24%. In addition, human and animal identification in foggy and low-visibility surroundings was proposed by the synaptic response of the device combined with an NIR laser and visible simulation. These findings might provide promising strategies for developing a 24/7 visual response of humanoid robots.
Keywords: artificial synapse; near-infrared trigger; 2D WSe2; upconversion artificial synapse; near-infrared trigger; 2D WSe2; upconversion
Graphical Abstract

Share and Cite

MDPI and ACS Style

Lu, Y.; Chen, C.; Sun, Q.; Zhang, N.; Lv, K.; Chen, Z.; He, Y.; Tang, H.; Chen, P. Near-Infrared Synaptic Responses of WSe2 Artificial Synapse Based on Upconversion Luminescence from Lanthanide Doped Nanoparticles. Inorganics 2025, 13, 236. https://doi.org/10.3390/inorganics13070236

AMA Style

Lu Y, Chen C, Sun Q, Zhang N, Lv K, Chen Z, He Y, Tang H, Chen P. Near-Infrared Synaptic Responses of WSe2 Artificial Synapse Based on Upconversion Luminescence from Lanthanide Doped Nanoparticles. Inorganics. 2025; 13(7):236. https://doi.org/10.3390/inorganics13070236

Chicago/Turabian Style

Lu, Yaxian, Chuanwen Chen, Qi Sun, Ni Zhang, Kun Lv, Zhiling Chen, Yuelan He, Haowen Tang, and Ping Chen. 2025. "Near-Infrared Synaptic Responses of WSe2 Artificial Synapse Based on Upconversion Luminescence from Lanthanide Doped Nanoparticles" Inorganics 13, no. 7: 236. https://doi.org/10.3390/inorganics13070236

APA Style

Lu, Y., Chen, C., Sun, Q., Zhang, N., Lv, K., Chen, Z., He, Y., Tang, H., & Chen, P. (2025). Near-Infrared Synaptic Responses of WSe2 Artificial Synapse Based on Upconversion Luminescence from Lanthanide Doped Nanoparticles. Inorganics, 13(7), 236. https://doi.org/10.3390/inorganics13070236

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

Article Metrics

Back to TopTop