Light‐Emitting Paper | Zendy

Asadpoordarvish Amir | Zendy; Sandström Andreas | Zendy; Larsen Christian | Zendy; Bollström Roger | Zendy; Toivakka Martti | Zendy; Österbacka Ronald | Zendy; Edman Ludvig | Zendy

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Light‐Emitting Paper

Author(s) -

Asadpoordarvish Amir,

Sandström Andreas,

Larsen Christian,

Bollström Roger,

Toivakka Martti,

Österbacka Ronald,

Edman Ludvig

Publication year - 2015

Publication title -

advanced functional materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 6.069

H-Index - 322

eISSN - 1616-3028

pISSN - 1616-301X

DOI - 10.1002/adfm.201500528

Subject(s) - materials science , fabrication , luminance , optoelectronics , surface roughness , light emitting diode , viewing angle , electrochemical cell , surface finish , nanotechnology , electrochemistry , optics , electrode , composite material , liquid crystal display , medicine , chemistry , physics , alternative medicine , pathology

A solution‐based fabrication of flexible and light‐weight light‐emitting devices on paper substrates is reported. Two different types of paper substrates are coated with a surface‐emitting light‐emitting electrochemical cell (LEC) device: a multilayer‐coated specialty paper with an intermediate surface roughness of 0.4 μm and a low‐end and low‐cost copy paper with a large surface roughness of 5 μm. The entire device fabrication is executed using a handheld airbrush, and it is notable that all of the constituent layers are deposited from solution under ambient air. The top‐emitting paper‐LECs are highly flexible, and display a uniform light emission with a luminance of 200 cd m −2 at a current conversion efficacy of 1.4 cd A −1 .

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