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- Publisher Website: 10.1016/j.nanoen.2019.103947
- Scopus: eid_2-s2.0-85070095136
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Article: Scalable all-ceramic nanofilms as highly efficient and thermally stable selective solar absorbers
Title | Scalable all-ceramic nanofilms as highly efficient and thermally stable selective solar absorbers |
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Authors | |
Keywords | Concentrating solar power Solar-thermal energy conversion All-ceramic nanofilms Thermal stability Spectrally selective absorber |
Issue Date | 2019 |
Publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/issn/22112855 |
Citation | Nano Energy, 2019, v. 64, p. article no. 103947 How to Cite? |
Abstract | The pressing demands for next-generation concentrating solar power drive the pursuit of high-efficiency, thermally stable, and scalable spectrally selective absorbers. Multilayer metal/ceramic nanofilms are promising candidates owing to their strong sunlight absorption provided by extremely simple configurations and facile fabrication. However, the commercial success of such absorbers is still hindered by their unsatisfactory spectral selectivity and high-temperature stability associated with metal/ceramic interfaces. Here we first propose an all-ceramic TiN/TiNO/ZrO2/SiO2 absorber with highly selective absorption, i.e., a high solar absorptance (92.2%) yet an ultralow thermal emittance (17.0% at 1000 K), producing an unprecedented solar-thermal conversion efficiency (82.6% under 100 suns). Remarkably, the absorber shows great thermal stability even after long-term (150 h) annealing at 1000 K, boosting the operating temperature of conventional multilayer absorbers by at least 227 K. The efficient and stable all-ceramic absorber can be readily produced in quantity via low-cost processes, rendering it attractive for high-temperature solar-thermal technologies. |
Persistent Identifier | http://hdl.handle.net/10722/279183 |
ISSN | 2023 Impact Factor: 16.8 2023 SCImago Journal Rankings: 4.685 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Li, Y | - |
dc.contributor.author | Lin, C | - |
dc.contributor.author | Zhou, D | - |
dc.contributor.author | An, Y | - |
dc.contributor.author | Li, D | - |
dc.contributor.author | Chi, C | - |
dc.contributor.author | Huang, H | - |
dc.contributor.author | Yang, S | - |
dc.contributor.author | Tso, CY | - |
dc.contributor.author | Chao, CYH | - |
dc.contributor.author | Huang, B | - |
dc.date.accessioned | 2019-10-21T02:21:08Z | - |
dc.date.available | 2019-10-21T02:21:08Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Nano Energy, 2019, v. 64, p. article no. 103947 | - |
dc.identifier.issn | 2211-2855 | - |
dc.identifier.uri | http://hdl.handle.net/10722/279183 | - |
dc.description.abstract | The pressing demands for next-generation concentrating solar power drive the pursuit of high-efficiency, thermally stable, and scalable spectrally selective absorbers. Multilayer metal/ceramic nanofilms are promising candidates owing to their strong sunlight absorption provided by extremely simple configurations and facile fabrication. However, the commercial success of such absorbers is still hindered by their unsatisfactory spectral selectivity and high-temperature stability associated with metal/ceramic interfaces. Here we first propose an all-ceramic TiN/TiNO/ZrO2/SiO2 absorber with highly selective absorption, i.e., a high solar absorptance (92.2%) yet an ultralow thermal emittance (17.0% at 1000 K), producing an unprecedented solar-thermal conversion efficiency (82.6% under 100 suns). Remarkably, the absorber shows great thermal stability even after long-term (150 h) annealing at 1000 K, boosting the operating temperature of conventional multilayer absorbers by at least 227 K. The efficient and stable all-ceramic absorber can be readily produced in quantity via low-cost processes, rendering it attractive for high-temperature solar-thermal technologies. | - |
dc.language | eng | - |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/issn/22112855 | - |
dc.relation.ispartof | Nano Energy | - |
dc.subject | Concentrating solar power | - |
dc.subject | Solar-thermal energy conversion | - |
dc.subject | All-ceramic nanofilms | - |
dc.subject | Thermal stability | - |
dc.subject | Spectrally selective absorber | - |
dc.title | Scalable all-ceramic nanofilms as highly efficient and thermally stable selective solar absorbers | - |
dc.type | Article | - |
dc.identifier.email | Chao, CYH: cyhchao@hku.hk | - |
dc.identifier.authority | Chao, CYH=rp02396 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.nanoen.2019.103947 | - |
dc.identifier.scopus | eid_2-s2.0-85070095136 | - |
dc.identifier.hkuros | 307899 | - |
dc.identifier.volume | 64 | - |
dc.identifier.spage | article no. 103947 | - |
dc.identifier.epage | article no. 103947 | - |
dc.identifier.isi | WOS:000487931500053 | - |
dc.publisher.place | Netherlands | - |
dc.identifier.issnl | 2211-2855 | - |