Force-induced 1540 nm luminescence: Role of piezotronic effect in energy transfer process for mechanoluminescence
Li L, Wondraczek L, Peng M, Ma Z, Zou B (2020)
Publication Type: Journal article
Publication year: 2020
Journal
Book Volume: 69
Article Number: 104413
DOI: 10.1016/j.nanoen.2019.104413
Abstract
Smart materials which are capable of responding to external stimuli such as strain, temperature, electronic or magnetic fields have seen increasing demand from various fields of application. Mechanoluminescence (ML) is light emission phenomenon induced by external mechanical stimuli, which is often used to monitor and record the action of invisible forces in visible space. However, existing ML materials with limited spectral window has largely limited its applications. Extending ML operation to UV or near-infrared (NIR) regions would overcome this issue. In this work, materials with simultaneous visible to NIR ML is realized based on rare-earth (RE) ions doped CaZnOS, in particular, CaZnOS:Er3+ demonstrates ML on multiple spectral bands, including 510–538 nm, 538–570 nm, 640–680 nm, 845–880 nm, 960–1000 nm and 1450–1700 nm. Insight on the origin of ML in CaZnOS:RE3+ is discussed with the aid of in situ high-pressure studies. These observations indicate that the oriented migration of electrons which can be modulated or accelerated in a strain-induced piezoelectric field is a key in ML process. This interpretation provides a new tool for leveraging tailored ML performance in the further design of strain- and force-responsive materials.
Authors with CRIS profile
Involved external institutions
South China University of Technology (SCUT) / 华南理工大学
China (CN)
Friedrich-Schiller-Universität Jena
Germany (DE)
Jilin University (JLU) / 吉林大学
China (CN)
China (CN)
Friedrich-Schiller-Universität Jena
Germany (DE)
Jilin University (JLU) / 吉林大学
China (CN)
How to cite
APA:
Li, L., Wondraczek, L., Peng, M., Ma, Z., & Zou, B. (2020). Force-induced 1540 nm luminescence: Role of piezotronic effect in energy transfer process for mechanoluminescence. Nano Energy, 69. https://doi.org/10.1016/j.nanoen.2019.104413
MLA:
Li, Lejing, et al. "Force-induced 1540 nm luminescence: Role of piezotronic effect in energy transfer process for mechanoluminescence." Nano Energy 69 (2020).
BibTeX: Download