Inkjet-Printed Multicolor Arrays of Highly Luminescent Nanocrystal-Based Nanocomposites
Joo Yeon Kim
Microsystems Laboratory Ecole Polytechnique Fédérale de Lausanne (EPFL) CH-1015 Lausanne (Switzerland)
Search for more papers by this authorChiara Ingrosso
CNR-IPCF sez. Bari, c/o Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
Search for more papers by this authorVahid Fakhfouri
Microsystems Laboratory Ecole Polytechnique Fédérale de Lausanne (EPFL) CH-1015 Lausanne (Switzerland)
Search for more papers by this authorMarinella Striccoli
CNR-IPCF sez. Bari, c/o Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
Search for more papers by this authorAngela Agostiano
CNR-IPCF sez. Bari, c/o Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
Search for more papers by this authorCorresponding Author
M. Lucia Curri
CNR-IPCF sez. Bari, c/o Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
CNR-IPCF sez. Bari, c/o Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy).Search for more papers by this authorJurgen Brugger
Microsystems Laboratory Ecole Polytechnique Fédérale de Lausanne (EPFL) CH-1015 Lausanne (Switzerland)
Search for more papers by this authorJoo Yeon Kim
Microsystems Laboratory Ecole Polytechnique Fédérale de Lausanne (EPFL) CH-1015 Lausanne (Switzerland)
Search for more papers by this authorChiara Ingrosso
CNR-IPCF sez. Bari, c/o Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
Search for more papers by this authorVahid Fakhfouri
Microsystems Laboratory Ecole Polytechnique Fédérale de Lausanne (EPFL) CH-1015 Lausanne (Switzerland)
Search for more papers by this authorMarinella Striccoli
CNR-IPCF sez. Bari, c/o Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
Search for more papers by this authorAngela Agostiano
CNR-IPCF sez. Bari, c/o Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
Search for more papers by this authorCorresponding Author
M. Lucia Curri
CNR-IPCF sez. Bari, c/o Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy)
CNR-IPCF sez. Bari, c/o Dip. di Chimica, Università di Bari via Orabona 4-I, 70126 Bari (Italy).Search for more papers by this authorJurgen Brugger
Microsystems Laboratory Ecole Polytechnique Fédérale de Lausanne (EPFL) CH-1015 Lausanne (Switzerland)
Search for more papers by this authorAbstract
Inkjet technology is a compelling method for the flexible and cost-effective printing of functional inks. We show that nanocomposite solutions based on polystyrene and differently sized core/shell-type nanocrystals (NCs) formed by a CdSe core coated with a shell of ZnS (CdSe@ZnS) in a single solvent, chloroform, can be reliably dispensed into luminescent, multicolor pixel arrays. This study demonstrates the relevance of parameters like polymer concentration and nozzle diameter, highlighting how the optimal conditions to print NCs embedded in 5 wt% polystyrene nanocomposite are given by a 70-µm-diameter nozzle. The obtained structures show that the bright size-dependent emission of the NCs in the nanocomposite is retained in the printed pixels.
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