@article{ART003246197},
author={JinYoung Lee and Sungwook Mhin},
title={Tailoring Cu₂O filler contents in PDMS matrix for enhanced triboelectric energy harvesting},
journal={Journal of the Korean Crystal Growth and Crystal Technology},
issn={1225-1429},
year={2025},
volume={35},
number={3},
pages={111-116},
doi={10.6111/JKCGCT.2025.35.3.111}
TY - JOUR
AU - JinYoung Lee
AU - Sungwook Mhin
TI - Tailoring Cu₂O filler contents in PDMS matrix for enhanced triboelectric energy harvesting
JO - Journal of the Korean Crystal Growth and Crystal Technology
PY - 2025
VL - 35
IS - 3
PB - The Korea Association Of Crystal Growth, Inc.
SP - 111
EP - 116
SN - 1225-1429
AB - In this study, polydimethylsiloxane (PDMS)-Cu₂O composites were fabricated to enhance the triboelectric performance of triboelectric nanogenerators (TENGs), and the effects of synthesis conditions and filler content were systematically investigated. Cu₂O nanoparticles were synthesized through an alkaline precipitation followed by ascorbic acid reduction, and their crystallinity and microstructure were tailored by controlling the synthesis temperature. XRD and SEM analyses revealed that higher synthesis temperatures promoted more uniform particle size distribution. When incorporated into the PDMS matrix, the Cu₂O fillers significantly improved the output performance of the TENG devices. The pristine PDMS-based TENG exhibited a voltage of 119 V and a current density of 28.69 mA/m², whereas the composite with 7 wt% Cu₂O achieved 410 V and 44.76 mA/m², corresponding to approximately 3.4- and 1.6-fold enhancements, respectively. Dielectric measurements confirmed that the effective permittivity of the composites increased with Cu2O loading, directly contributing to enhanced charge storage capability. Moreover, the well-dispersed Cu₂O particles generated micro-scale surface roughness, which enlarged the effective contact area, while interfacial charge trapping at the Cu2O-PDMS boundary contributed to reduced charge recombination and improved output stability.
KW - Triboelectricity;Nanogenerator;Cu₂O;Filler;PDMS;Energy harvesting
DO - 10.6111/JKCGCT.2025.35.3.111
ER -
JinYoung Lee and Sungwook Mhin. (2025). Tailoring Cu₂O filler contents in PDMS matrix for enhanced triboelectric energy harvesting. Journal of the Korean Crystal Growth and Crystal Technology, 35(3), 111-116.
JinYoung Lee and Sungwook Mhin. 2025, "Tailoring Cu₂O filler contents in PDMS matrix for enhanced triboelectric energy harvesting", Journal of the Korean Crystal Growth and Crystal Technology, vol.35, no.3 pp.111-116. Available from: doi:10.6111/JKCGCT.2025.35.3.111
JinYoung Lee, Sungwook Mhin "Tailoring Cu₂O filler contents in PDMS matrix for enhanced triboelectric energy harvesting" Journal of the Korean Crystal Growth and Crystal Technology 35.3 pp.111-116 (2025) : 111.
JinYoung Lee, Sungwook Mhin. Tailoring Cu₂O filler contents in PDMS matrix for enhanced triboelectric energy harvesting. 2025; 35(3), 111-116. Available from: doi:10.6111/JKCGCT.2025.35.3.111
JinYoung Lee and Sungwook Mhin. "Tailoring Cu₂O filler contents in PDMS matrix for enhanced triboelectric energy harvesting" Journal of the Korean Crystal Growth and Crystal Technology 35, no.3 (2025) : 111-116.doi: 10.6111/JKCGCT.2025.35.3.111
JinYoung Lee; Sungwook Mhin. Tailoring Cu₂O filler contents in PDMS matrix for enhanced triboelectric energy harvesting. Journal of the Korean Crystal Growth and Crystal Technology, 35(3), 111-116. doi: 10.6111/JKCGCT.2025.35.3.111
JinYoung Lee; Sungwook Mhin. Tailoring Cu₂O filler contents in PDMS matrix for enhanced triboelectric energy harvesting. Journal of the Korean Crystal Growth and Crystal Technology. 2025; 35(3) 111-116. doi: 10.6111/JKCGCT.2025.35.3.111
JinYoung Lee, Sungwook Mhin. Tailoring Cu₂O filler contents in PDMS matrix for enhanced triboelectric energy harvesting. 2025; 35(3), 111-116. Available from: doi:10.6111/JKCGCT.2025.35.3.111
JinYoung Lee and Sungwook Mhin. "Tailoring Cu₂O filler contents in PDMS matrix for enhanced triboelectric energy harvesting" Journal of the Korean Crystal Growth and Crystal Technology 35, no.3 (2025) : 111-116.doi: 10.6111/JKCGCT.2025.35.3.111
