Fig. 5: Flexible and large-area TTA-UC devices. | Nature Communications

Fig. 5: Flexible and large-area TTA-UC devices.

From: Donor-acceptor bulk-heterojunction sensitizer for efficient solid-state infrared-to-visible photon up-conversion

Fig. 5

a Schematic diagram of the blade-coating method. b Photograph of the 25 cm2 large-area TTA-UC device prepared on a PEN substrate. c The stress-strain curves of PYIT1:PBQx-TCl:rubrene and PYIT:PBQx-TCl:rubrene films. d The elastic moduli of PYIT1:PBQx-TCl:rubrene and PYIT:PBQx-TCl:rubrene films. Error bars are one statistical standard deviation. e Photograph of the TTA-UC devices prepared on PI substrates.

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