Aspiration-assisted fabrication of patterned quantum dot films for photo-emissive color conversion - Details

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Abstract：

The　fabrication　of　patterned　quantum　dot　(QD)　films　is　of　great　importance　for　color　displays　based　on　photo-emissive　color　conversion.　In　this　work,　a　novel　and　precise　alignment-free　fabrication　method　of　patterned　quantum　dot　color　conversion　(QDCC)　films　was　proposed　by　introducing　into　aspiration-assisted　lithography.　QDs　dispersed　in　mixed　polymer/toluene　solvent　can　be　imbibed　via　predetermined　micro-channels　with　the　assist　of　aspiration.　The　results　show　that　uniform　QDCC　films　with　multicolor　QDs　could　be　achieved　by　adjusting　the　polymer/toluene　ratios　and　the　aspiration　time.　Superfine　QD　patterns　with　a　width　of　around　8 μm　could　also　be　obtained　by　varying　the　interfacial　free　energies　of　substrates.　A　color　conversion　device　using　a　turquoise　OLED　and　the　QDCC　films　incorporated　with　distributed　Bragg　reflector　have　been　demonstrated,　exhibiting　a　conversion　efficiency　up　to　23.27%.　©　2020,　Springer　Science+Business　Media,　LLC,　part　of　Springer　Nature.

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[ 1 ] [Weng, Y.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
[ 2 ] [Lai, X.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
[ 3 ] [Chen, G.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
[ 4 ] [Zhou, X.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
[ 5 ] [Zhou, X.]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350116, China
[ 6 ] [Yan, Q.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
[ 7 ] [Yan, Q.]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350116, China
[ 8 ] [Wu, C.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
[ 9 ] [Wu, C.]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350116, China
[ 10 ] [Guo, T.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
[ 11 ] [Guo, T.]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350116, China
[ 12 ] [Sun, J.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
[ 13 ] [Sun, J.]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350116, China
[ 14 ] [Zhang, Y.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
[ 15 ] [Zhang, Y.]Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350116, China

Reprint 's Address：

[Zhou, X.]College of Physics and Information Engineering, Fuzhou University, College of Physics and Information Engineering, Fuzhou UniversityChina

Email：

xtzhou@fzu.edu.cn

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Source ：

Journal of Materials Science

ISSN： 0022-2461

Year： 2021

Issue： 2

Volume： 56

Page： 1504-1514

4 . 6 8 2

JCR@2021

3 . 5 0 0

JCR@2023

ESI HC Threshold：142

JCR Journal Grade：2

CAS Journal Grade：3

Cited Count：

WoS CC Cited Count： 0

SCOPUS Cited Count： 3

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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