High performance mid-temperature selective absorber based on titanium oxides cermet deposited by direct current reactive sputtering of a single titanium target
Abstract
This paper reports the design and fabrication of a new double cermet-based low-mid temperature solar selective absorber based on TiOx cermet layers, which were deposited with a single Ti target by varying O2 partial pressure in sputtering chamber as reactive gas. High metal volume fraction cermet 1 and low metal volume fraction cermet 2 were deposited with O2 partial pressure of 0.15 mTorr and 0.25 mTorr, respectively, with direct current power density of 6.58 W cm-2. The complex refractive indices from ellipsometry were used to design solar selective absorber. The reflectance, thermal stability, and morphology were studied in absorbers on Cu and stainless steel. The effect of TiO2 and SiO2 as anti-reflective coating layers was investigated. Finally, the absorber on Cu substrate has high absorptance of 90.8% and low emittance of 4.9% (100 °C), and changed to 96.0% and 6.6%, respectively, after annealing at 300 °C for 4 days.
- Authors:
-
- Univ. of Houston, TX (United States). Dept. of Physics. Texas Center for Superconductivity (TcSUH)
- Univ. of Houston, TX (United States). Dept. of Electrical and Computer Engineering
- Publication Date:
- Research Org.:
- Univ. of Houston, TX (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); Robert A. Welch Foundation (United States); National Science Foundation (NSF)
- OSTI Identifier:
- 1469184
- Alternate Identifier(s):
- OSTI ID: 1235798
- Grant/Contract Number:
- SC0001299; E-1728; ECCS-1240510
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Applied Physics
- Additional Journal Information:
- Journal Volume: 119; Journal Issue: 4; Journal ID: ISSN 0021-8979
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; optical instruments; solar energy; metal oxides; sputter deposition; transition metals; thin films; chemical elements; solar architecture; optical properties; thermodynamic states and processes
Citation Formats
Tang, Lu, Cao, Feng, Li, Yang, Bao, Jiming, and Ren, Zhifeng. High performance mid-temperature selective absorber based on titanium oxides cermet deposited by direct current reactive sputtering of a single titanium target. United States: N. p., 2016.
Web. doi:10.1063/1.4940386.
Tang, Lu, Cao, Feng, Li, Yang, Bao, Jiming, & Ren, Zhifeng. High performance mid-temperature selective absorber based on titanium oxides cermet deposited by direct current reactive sputtering of a single titanium target. United States. https://doi.org/10.1063/1.4940386
Tang, Lu, Cao, Feng, Li, Yang, Bao, Jiming, and Ren, Zhifeng. Mon .
"High performance mid-temperature selective absorber based on titanium oxides cermet deposited by direct current reactive sputtering of a single titanium target". United States. https://doi.org/10.1063/1.4940386. https://www.osti.gov/servlets/purl/1469184.
@article{osti_1469184,
title = {High performance mid-temperature selective absorber based on titanium oxides cermet deposited by direct current reactive sputtering of a single titanium target},
author = {Tang, Lu and Cao, Feng and Li, Yang and Bao, Jiming and Ren, Zhifeng},
abstractNote = {This paper reports the design and fabrication of a new double cermet-based low-mid temperature solar selective absorber based on TiOx cermet layers, which were deposited with a single Ti target by varying O2 partial pressure in sputtering chamber as reactive gas. High metal volume fraction cermet 1 and low metal volume fraction cermet 2 were deposited with O2 partial pressure of 0.15 mTorr and 0.25 mTorr, respectively, with direct current power density of 6.58 W cm-2. The complex refractive indices from ellipsometry were used to design solar selective absorber. The reflectance, thermal stability, and morphology were studied in absorbers on Cu and stainless steel. The effect of TiO2 and SiO2 as anti-reflective coating layers was investigated. Finally, the absorber on Cu substrate has high absorptance of 90.8% and low emittance of 4.9% (100 °C), and changed to 96.0% and 6.6%, respectively, after annealing at 300 °C for 4 days.},
doi = {10.1063/1.4940386},
journal = {Journal of Applied Physics},
number = 4,
volume = 119,
place = {United States},
year = {Mon Jan 25 00:00:00 EST 2016},
month = {Mon Jan 25 00:00:00 EST 2016}
}
Web of Science
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Works referencing / citing this record:
Design and simulation of different multilayer solar selective coatings for solar thermal applications
journal, April 2018
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Semiconductor-based Multilayer Selective Solar Absorber for Unconcentrated Solar Thermal Energy Conversion
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Semiconductor-based Multilayer Selective Solar Absorber for Unconcentrated Solar Thermal Energy Conversion
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