Inkjet printing of luminescent CdTe nanocrystal-polymer composites

E. Tekin - Kazancioglu; P.J. Smith; S. Höppener; A.M.J. Berg, van den; A.S. Susha; A.L. Rogach; J. Feldmann; U.S. Schubert

doi:10.1002/adfm.200600587

Inkjet printing of luminescent CdTe nanocrystal-polymer composites

E. Tekin - Kazancioglu, P.J. Smith, S. Höppener, A.M.J. Berg, van den, A.S. Susha, A.L. Rogach, J. Feldmann, U.S. Schubert

Chemical Engineering and Chemistry

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Abstract

Inkjet printing is used to produce well-defined patterns of dots (with diams. of ca. 120 mm) that are composed of luminescent CdTe nanocrystals (NCs) embedded within a poly(vinylalc.) (PVA) matrix. Addn. of ethylene glycol (1-2 vol%) to the aq. soln. of CdTe NCs suppresses the well-known ring-formation effect in inkjet printing leading to exceptionally uniform dots. At. force microscopy characterization reveals that in the CdTe NC films the particle-particle interaction could be prevented using inert PVA as a matrix. Combinatorial libraries of CdTe NC-PVA composites with variable NC sizes and polymer/NC ratios are prepd. using inkjet printing. These libraries are subsequently characterized using a UV/fluorescence plate reader to det. their luminescent properties. Energy transfer from green-light-emitting to red-light-emitting CdTe NCs in the composite contg. green- (2.6 nm diam.) and red-emitting (3.5 nm diam.) NCs are demonstrated.

Original language	English
Pages (from-to)	23-28
Journal	Advanced Functional Materials
Volume	17
Issue number	1
DOIs	https://doi.org/10.1002/adfm.200600587
Publication status	Published - 2007

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title = "Inkjet printing of luminescent CdTe nanocrystal-polymer composites",

abstract = "Inkjet printing is used to produce well-defined patterns of dots (with diams. of ca. 120 mm) that are composed of luminescent CdTe nanocrystals (NCs) embedded within a poly(vinylalc.) (PVA) matrix. Addn. of ethylene glycol (1-2 vol%) to the aq. soln. of CdTe NCs suppresses the well-known ring-formation effect in inkjet printing leading to exceptionally uniform dots. At. force microscopy characterization reveals that in the CdTe NC films the particle-particle interaction could be prevented using inert PVA as a matrix. Combinatorial libraries of CdTe NC-PVA composites with variable NC sizes and polymer/NC ratios are prepd. using inkjet printing. These libraries are subsequently characterized using a UV/fluorescence plate reader to det. their luminescent properties. Energy transfer from green-light-emitting to red-light-emitting CdTe NCs in the composite contg. green- (2.6 nm diam.) and red-emitting (3.5 nm diam.) NCs are demonstrated.",

author = "{Tekin - Kazancioglu}, E. and P.J. Smith and S. H{\"o}ppener and {Berg, van den}, A.M.J. and A.S. Susha and A.L. Rogach and J. Feldmann and U.S. Schubert",

year = "2007",

doi = "10.1002/adfm.200600587",

language = "English",

volume = "17",

pages = "23--28",

journal = "Advanced Functional Materials",

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publisher = "Wiley-VCH Verlag",

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T1 - Inkjet printing of luminescent CdTe nanocrystal-polymer composites

AU - Tekin - Kazancioglu, E.

AU - Smith, P.J.

AU - Höppener, S.

AU - Berg, van den, A.M.J.

AU - Susha, A.S.

AU - Rogach, A.L.

AU - Feldmann, J.

AU - Schubert, U.S.

PY - 2007

Y1 - 2007

N2 - Inkjet printing is used to produce well-defined patterns of dots (with diams. of ca. 120 mm) that are composed of luminescent CdTe nanocrystals (NCs) embedded within a poly(vinylalc.) (PVA) matrix. Addn. of ethylene glycol (1-2 vol%) to the aq. soln. of CdTe NCs suppresses the well-known ring-formation effect in inkjet printing leading to exceptionally uniform dots. At. force microscopy characterization reveals that in the CdTe NC films the particle-particle interaction could be prevented using inert PVA as a matrix. Combinatorial libraries of CdTe NC-PVA composites with variable NC sizes and polymer/NC ratios are prepd. using inkjet printing. These libraries are subsequently characterized using a UV/fluorescence plate reader to det. their luminescent properties. Energy transfer from green-light-emitting to red-light-emitting CdTe NCs in the composite contg. green- (2.6 nm diam.) and red-emitting (3.5 nm diam.) NCs are demonstrated.

AB - Inkjet printing is used to produce well-defined patterns of dots (with diams. of ca. 120 mm) that are composed of luminescent CdTe nanocrystals (NCs) embedded within a poly(vinylalc.) (PVA) matrix. Addn. of ethylene glycol (1-2 vol%) to the aq. soln. of CdTe NCs suppresses the well-known ring-formation effect in inkjet printing leading to exceptionally uniform dots. At. force microscopy characterization reveals that in the CdTe NC films the particle-particle interaction could be prevented using inert PVA as a matrix. Combinatorial libraries of CdTe NC-PVA composites with variable NC sizes and polymer/NC ratios are prepd. using inkjet printing. These libraries are subsequently characterized using a UV/fluorescence plate reader to det. their luminescent properties. Energy transfer from green-light-emitting to red-light-emitting CdTe NCs in the composite contg. green- (2.6 nm diam.) and red-emitting (3.5 nm diam.) NCs are demonstrated.

U2 - 10.1002/adfm.200600587

DO - 10.1002/adfm.200600587

M3 - Article

SN - 1616-301X

VL - 17

SP - 23

EP - 28

JO - Advanced Functional Materials

JF - Advanced Functional Materials

IS - 1

ER -

Inkjet printing of luminescent CdTe nanocrystal-polymer composites

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