Upconversion luminescence enhancement of NaGdF4:Er3+/Yb3+/Al3+ nanorods through tuning Al2O3 layer in a hybrid photonic-plasmonic-dielectric structure - Details

author：

Zhou, Haifang (Zhou, Haifang.) ^[1] | Zou, Jiaxin (Zou, Jiaxin.) ^[2] | Weng, Xuehua (Weng, Xuehua.) ^[3] | Lai, Yunfeng (Lai, Yunfeng.) ^[4] | Yu, Jinling (Yu, Jinling.) ^[5]

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Abstract：

Surface　plasmon　resonance　and　photonic　crystals　(PCs)　effect　are　effective　methods　for　improving　upconversion　luminescence　(UCL)　for　upconversion　nanoparticles.　In　this　work,　PCs/Ag/Al2O3/UC　hybrid　structure　is　presented　to　enhance　UCL　of　NaGdF4:Er3+/Yb3+/Al3+　nanorods　through　tuning　the　thickness　of　the　Al2O3　layer.　The　optical　and　luminescence　properties　were　studied　and　compared　with　those　of　UC　and　PCs/Ag/UC　hybrid,　it　is　shown　that　the　thickness　of　Al2O3　layer　has　a　significant　effect　on　fluorescence　intensity,　outstanding　upconversion　luminescence　enhancement　and　the　green-to-red　intensity　ratios　have　been　achieved　at　980　nm　excitation.　The　maximum　enhancement　factors　of　the　red　and　green　emission　were　obtained　for　the　sample　with　10　nm　Al2O3　layer,　respectively.　The　mechanism　of　UCL　enhancement　for　PCs/Ag/Al2O3/UC　hybrid　structure　was　discussed.　©　2023

Keyword：

Alumina Aluminum oxide Crystal structure Energy transfer Gadolinium compounds Luminescence Nanorods Plasmonics Silver

Community：

[ 1 ] [Zhou, Haifang]School of Physics and Information Engineering, Institute of Micro-Nano Devices & Solar Cells, Fuzhou University, Fuzhou; 350108, China
[ 2 ] [Zhou, Haifang]Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Jiangsu Province, Changzhou; 213164, China
[ 3 ] [Zou, Jiaxin]School of Physics and Information Engineering, Institute of Micro-Nano Devices & Solar Cells, Fuzhou University, Fuzhou; 350108, China
[ 4 ] [Weng, Xuehua]School of Physics and Information Engineering, Institute of Micro-Nano Devices & Solar Cells, Fuzhou University, Fuzhou; 350108, China
[ 5 ] [Lai, Yunfeng]School of Physics and Information Engineering, Institute of Micro-Nano Devices & Solar Cells, Fuzhou University, Fuzhou; 350108, China
[ 6 ] [Lai, Yunfeng]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou; 350108, China
[ 7 ] [Yu, Jinling]School of Physics and Information Engineering, Institute of Micro-Nano Devices & Solar Cells, Fuzhou University, Fuzhou; 350108, China

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Source ：

Optical Materials

ISSN： 0925-3467

Year： 2023

Volume： 137

3 . 8

JCR@2023

3 . 8 0 0

JCR@2023

ESI HC Threshold：49

JCR Journal Grade：1

CAS Journal Grade：3

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 8

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 3

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