Tuning infrared emissivity of GdCoO 3 thin films through Fe doping: Fabrication and mechanism

被引：0
作者：
Wang, Jing [1 ,2 ]
Li, Xiaodong [1 ]
Yu, Zhenqi [1 ,2 ]
Zhang, Su [2 ]
机构：
[1] Jilin Jianzhu Univ, Sch Mat Sci & Engn, Changchun 130118, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China
来源：
JOURNAL OF LUMINESCENCE | 2024年 / 275卷
基金：
中国国家自然科学基金;
关键词：
Polymer assisted deposition; Porous; Surface morphology; Oxygen vacancy; High infrared emissivity; THERMAL-RADIATION; DOPED ZNO; FT-IR; SPECTRA; TEMPERATURE; MN; CA;
D O I：
10.1016/j.jlumin.2024.120769
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Using polymer-assisted deposition technology, GdCo 1-x Fe x O 3 (0 <= x <= 0.5) porous films with high infrared emissivity at high temperatures were prepared on Si (100) substrates. The composition and calcination temperature of the precursor are determined by TG-DSC. The structure and composition of the films are investigated using Grazing Incidence X-ray diffraction, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy and Raman spectroscopy. The surface morphology and elemental composition of the films were analyzed by scanning electron microscopy and energy dispersive X-ray spectroscopy. The average infrared emissivity of GdCo 1-x Fe x O 3 (0 <= x <= 0.5) films at different temperatures (100 -500 degrees C) in the range of 8 -14 mu m has been tested by an infrared emissivity meter. The results show that the GdCoO 3 film with Fe doping concentration of 10 % exhibits the highest infrared emissivity of 0.89 at 500 degrees C. Possible mechanisms for the high infrared emissivity of the films at high temperatures are discussed.
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页数：12
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