Room-Temperature Electrocaloric Effect in Layered Ferroelectric CuInP2S6 for Solid-State Refrigeration
Abstract
A material with reversible temperature change capability under an external electric field, known as the electrocaloric effect (ECE), has long been considered as a promising solid-state cooling solution. However, electrocaloric (EC) performance of EC materials generally is not sufficiently high for real cooling applications. As a result, exploring EC materials with high performance is of great interest and importance. Here, we report on the ECE of ferroelectric materials with van der Waals layered structure (CuInP2S6 or CIPS in this work in particular). Over 60% polarization charge change is observed within a temperature change of only 10 K at Curie temperature. Large adiabatic temperature change (|ΔT|) of 3.3 K and isothermal entropy change (|ΔS|) of 5.8 J kg–1 K–1 at |ΔE| = 142.0 kV cm–1 and at 315 K (above and near room temperature) are achieved, with a large EC strength (|ΔT|/|ΔE|) of 29.5 mK cm kV–1. Furthermore, the ECE of CIPS is also investigated theoretically by numerical simulation, and a further EC performance projection is provided.
- Authors:
-
- Purdue Univ., West Lafayette, IN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1560477
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ACS Nano
- Additional Journal Information:
- Journal Volume: 13; Journal Issue: 8; Journal ID: ISSN 1936-0851
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; CuInP2S6; ferroelectrics; electrocaloric effect; two-dimensional; room temperature
Citation Formats
Si, Mengwei, Saha, Atanu K., Liao, Pai -Ying, Gao, Shengjie, Neumayer, Sabine M., Jian, Jie, Qin, Jingkai, Wisinger, Nina Balke, Wang, Haiyan, Maksymovych, Petro, Wu, Wenzhuo, Gupta, Sumeet K., and Ye, Peide D. Room-Temperature Electrocaloric Effect in Layered Ferroelectric CuInP2S6 for Solid-State Refrigeration. United States: N. p., 2019.
Web. doi:10.1021/acsnano.9b01491.
Si, Mengwei, Saha, Atanu K., Liao, Pai -Ying, Gao, Shengjie, Neumayer, Sabine M., Jian, Jie, Qin, Jingkai, Wisinger, Nina Balke, Wang, Haiyan, Maksymovych, Petro, Wu, Wenzhuo, Gupta, Sumeet K., & Ye, Peide D. Room-Temperature Electrocaloric Effect in Layered Ferroelectric CuInP2S6 for Solid-State Refrigeration. United States. https://doi.org/10.1021/acsnano.9b01491
Si, Mengwei, Saha, Atanu K., Liao, Pai -Ying, Gao, Shengjie, Neumayer, Sabine M., Jian, Jie, Qin, Jingkai, Wisinger, Nina Balke, Wang, Haiyan, Maksymovych, Petro, Wu, Wenzhuo, Gupta, Sumeet K., and Ye, Peide D. Fri .
"Room-Temperature Electrocaloric Effect in Layered Ferroelectric CuInP2S6 for Solid-State Refrigeration". United States. https://doi.org/10.1021/acsnano.9b01491. https://www.osti.gov/servlets/purl/1560477.
@article{osti_1560477,
title = {Room-Temperature Electrocaloric Effect in Layered Ferroelectric CuInP2S6 for Solid-State Refrigeration},
author = {Si, Mengwei and Saha, Atanu K. and Liao, Pai -Ying and Gao, Shengjie and Neumayer, Sabine M. and Jian, Jie and Qin, Jingkai and Wisinger, Nina Balke and Wang, Haiyan and Maksymovych, Petro and Wu, Wenzhuo and Gupta, Sumeet K. and Ye, Peide D.},
abstractNote = {A material with reversible temperature change capability under an external electric field, known as the electrocaloric effect (ECE), has long been considered as a promising solid-state cooling solution. However, electrocaloric (EC) performance of EC materials generally is not sufficiently high for real cooling applications. As a result, exploring EC materials with high performance is of great interest and importance. Here, we report on the ECE of ferroelectric materials with van der Waals layered structure (CuInP2S6 or CIPS in this work in particular). Over 60% polarization charge change is observed within a temperature change of only 10 K at Curie temperature. Large adiabatic temperature change (|ΔT|) of 3.3 K and isothermal entropy change (|ΔS|) of 5.8 J kg–1 K–1 at |ΔE| = 142.0 kV cm–1 and at 315 K (above and near room temperature) are achieved, with a large EC strength (|ΔT|/|ΔE|) of 29.5 mK cm kV–1. Furthermore, the ECE of CIPS is also investigated theoretically by numerical simulation, and a further EC performance projection is provided.},
doi = {10.1021/acsnano.9b01491},
journal = {ACS Nano},
number = 8,
volume = 13,
place = {United States},
year = {Fri Aug 02 00:00:00 EDT 2019},
month = {Fri Aug 02 00:00:00 EDT 2019}
}
Web of Science
Figures / Tables:
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Figures / Tables found in this record: