A photon-recycling incandescent lighting device-Reference-Cited by-同舟云学术

A photon-recycling incandescent lighting device

Published:2023-04-14 Issue:15 Volume:9 Page:
ISSN:2375-2548
Container-title:Science Advances
language:en
Short-container-title:Sci. Adv.

Author:

Zhang Heng¹^ORCID,Huang Zhequn²,Ding Min³^ORCID,Wang Qixiang¹^ORCID,Feng Yilin¹,Li Zhenghong⁴^ORCID,Wang Shan⁴,Yang Lei⁵,Chen Shuai⁵,Shang Wen¹^ORCID,Zhang Jian⁶^ORCID,Deng Tao¹^ORCID,Xu Hongxing⁷,Cui Kehang¹^ORCID

Affiliation:

1. School of Materials Science and Engineering, State Key Laboratory of Metal Matrix Composites, Center for Hydrogen Science, Shanghai Jiao Tong University, Shanghai 200240, China.

2. Zhiyuan Innovative Research Center, Shanghai Jiao Tong University, Shanghai 200240, China.

3. Shanghai HeiYi Materials Technology Co. Ltd., Shanghai 200240, China.

4. Shanghai IdeaOptics Co. Ltd., Shanghai 200433, China.

5. Tianjin H-Chip Technology Group Corporation, Tianjin 300467, China.

6. Research Center for Transparent Ceramics, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China.

7. Institute of Advanced Studies, School of Physics and Technology, Wuhan University, Hubei 430072, China.

Abstract

Energy-efficient, healthy lighting is vital for human beings. Incandescent lighting provides high-fidelity color rendering and ergonomic visual comfort yet is phased out owing to low luminous efficacy (15 lumens per watt) and poor lifetime (2000 hours). Here, we propose and experimentally realize a photon-recycling incandescent lighting device (PRILD) with a luminous efficacy of 173.6 lumens per watt (efficiency of 25.4%) at a power density of 277 watts per square centimeter, a color rendering index (CRI) of 96, and a LT70-rated lifetime of >60,000 hours. The PRILD uses a machine learning–designed 637-nm-thick visible-transparent infrared-reflective filter and a Janus carbon nanotube/hexagonal boron nitride filament to recycle 92% of the infrared radiation. The PRILD has higher luminous efficacy, CRI, and lifetime compared with solid-state lighting and thus is promising for high–power density lighting.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Link

https://www.science.org/doi/pdf/10.1126/sciadv.adf3737

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