Organic photovoltaic cells are appealing as indoor illumination harvesters to drive off-grid electronics in the Internet of things. However, a desirable output power usually requires expansive and dark active layers to absorb sufficient incident photons. The deployment of such large-scale dark objects is detrimental to the elaborately designed indoor lighting environment and affects human visual perceptions. Here, we propose a free-contact strategy to adjust the chromaticity of the transmitted indoor light by applying one-dimensional photonic crystals. Combining photonic crystals with various transmittances outside the photovoltaic cells, the spectral power distribution of the transmitted light can be precisely manipulated to realize a broad and consecutive color modulation covering the region from blue to orange. For certain photonic crystals, the chromaticity of propagated light can be recovered close to the light source. This work presents a solution to relieve light-disturbing in the application of organic photovoltaic cells under indoor illuminations.
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25 January 2021
Research Article|
January 25 2021
Chromaticity manipulation of indoor photovoltaic cells
Zhi-Hao Chen;
Zhi-Hao Chen
1
School of Physics, State Key Laboratory of Crystal Materials, Shandong University
, Jinan, Shandong 250100, People's Republic of China
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Hang Yin
;
Hang Yin
a)
1
School of Physics, State Key Laboratory of Crystal Materials, Shandong University
, Jinan, Shandong 250100, People's Republic of China
a)Authors to whom correspondence should be addressed: hyin@sdu.edu.cn; cly@csust.edu.cn; and haoxt@sdu.edu.cn
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Johnny Ka Wai Ho;
Johnny Ka Wai Ho
2
Department of Physics and Institute of Advanced Materials, Hong Kong Baptist University
, Kowloon Tong, Hong Kong, People's Republic of China
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Li-Yong Cui;
Li-Yong Cui
a)
3
School of Physics and Electronic Sciences, Changsha University of Science and Technology
, Changsha 410004, China
a)Authors to whom correspondence should be addressed: hyin@sdu.edu.cn; cly@csust.edu.cn; and haoxt@sdu.edu.cn
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Shu Kong So;
Shu Kong So
2
Department of Physics and Institute of Advanced Materials, Hong Kong Baptist University
, Kowloon Tong, Hong Kong, People's Republic of China
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Xiao-Tao Hao
Xiao-Tao Hao
a)
1
School of Physics, State Key Laboratory of Crystal Materials, Shandong University
, Jinan, Shandong 250100, People's Republic of China
4
ARC Centre of Excellence in Exciton Science, School of Chemistry, The University of Melbourne
, Parkville, Victoria 3010, Australia
a)Authors to whom correspondence should be addressed: hyin@sdu.edu.cn; cly@csust.edu.cn; and haoxt@sdu.edu.cn
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a)Authors to whom correspondence should be addressed: hyin@sdu.edu.cn; cly@csust.edu.cn; and haoxt@sdu.edu.cn
Appl. Phys. Lett. 118, 043301 (2021)
Article history
Received:
December 05 2020
Accepted:
January 07 2021
Citation
Zhi-Hao Chen, Hang Yin, Johnny Ka Wai Ho, Li-Yong Cui, Shu Kong So, Xiao-Tao Hao; Chromaticity manipulation of indoor photovoltaic cells. Appl. Phys. Lett. 25 January 2021; 118 (4): 043301. https://doi.org/10.1063/5.0039653
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