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Multifunctional azopoly(ether imide)s generating efficient optical birefringence, relief gratings, photomechanical effect. Application in photo-controlled ON/OFF switching of electric circuit and as an alignment layer in LC cells

Version 1.0

Konieczkowska, Jolanta, 2025, "Multifunctional azopoly(ether imide)s generating efficient optical birefringence, relief gratings, photomechanical effect. Application in photo-controlled ON/OFF switching of electric circuit and as an alignment layer in LC cells", https://doi.org/10.18150/ULOCAM, RepOD, V1

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Description

The dataset includes files:

• 1H NMR in DMSO-d6 and FTIR in KBr pellets for new polyimide PI-2.

• Studies of thermal properties for PI-2 (DSC, TGA).

• Molecular weight measurements for pI-1 and PI-2 (GPC).

• Thermal cis-trans isomerization in the solid-state for azopolyimides (PI-1 and PI-2). The 405 nm diode laser (I= 100 mW/cm2) generated the cis-isomers.

• AFM measurements of the coated aluminum surface.

• Photoinduced birefringence for PI-1 generated by a 405nm laser light ( I= 100mW/cm2).

• Photomechanical effect generated for PI-1 foil and PI-1 coated with aluminum (generated by 405 nm diode-laser, I= 100 mW/cm2) showed as the photographs.

• Photocontrolled ON/OFF switching of electrical circuits based on the photomechanical effect of azopolyimide PI-1 (film mp4).

• The modulation of the surface profile for PI-2. The grating was inscribed using coherent excitation light from a 442 nm He-Cd laser. In the arranged geometry, the two beams crossed on the polymer layer at 2.7°. The intensity of each 442 nm beam at the sample plane was ca. 100 mW/cm2.

Inscription of attached files:

  • 1HNMR_sample - 1H NMR measurements
  • FTIR_sample - FTIR measurements
  • DSC_sample - DSC measurements
  • TGA_sample - TGA measurements
  • GPC_sample - GPC measurements
  • x-ray_sample - x-ray measurements
  • AFM_sample - AFM measurements
  • UV_sample - UV-vis measurements included photoisomerization
  • abs_sample - photoisomerization studies
  • Birefringence_sample - Photoinduced birefringence measurements
  • Diffraction efficiency_sample - Studies of diffraction gratings
Subject
Chemistry
Keyword

azopolymers, surface relief gratings, photomechanical effect, optical birefringecne, azomaterials, LC cells

CC BY - Creative Commons Attribution 4.0 CC BY - Creative Commons Attribution 4.0

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1HNMR_PI-2.topspin.zip
ZIP Archive - 375.8 KB - Jun 23, 2025 - 3 Downloads
MD5: fc0d335419f00fe4c3acb4683f891389
License: CC BY - Creative Commons Attribution 4.0
1H NMR for simple PI-2 in DMSO
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FTIR_PI-2.txt
Plain Text - 69.0 KB - Jun 23, 2025 - 2 Downloads
MD5: 54e68b7b6e50386b23277ca47bccc366
License: CC BY - Creative Commons Attribution 4.0
FTIR for PI-2
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X-ray_PI-1.xy
Plain Text - 71.8 KB - Jun 23, 2025 - 0 Downloads
MD5: c28221e35619576eaf3d7aa68df6d318
License: CC BY - Creative Commons Attribution 4.0
X-ray for sample denoted as PI-1
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X-ray_PI-2.xy
Plain Text - 125.0 KB - Jun 23, 2025 - 0 Downloads
MD5: 9a5a31e5d2e8b1772e2bd31eb7ecfd12
License: CC BY - Creative Commons Attribution 4.0
X-ray for sample denoted as PI-2
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AFM_PI-1_aluminum.jpg
JPEG Image - 242.2 KB - Jun 23, 2025 - 0 Downloads
MD5: 7474ac5a486f256a5c5e477ce1fdc33b
License: CC BY - Creative Commons Attribution 4.0
AFM for PI-1 with aluminium layer
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GPC_PI-1.pdf
Adobe PDF - 144.5 KB - Jun 23, 2025 - 2 Downloads
MD5: 484083e657ad9ad89d851818164258a9
License: CC BY - Creative Commons Attribution 4.0
GPC (in chloroform) for sample denoted as PI-1
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GPC_PI-2.pdf
Adobe PDF - 145.4 KB - Jun 23, 2025 - 1 Download
MD5: 16e09e3e7b6112a0840467d2da6d670c
License: CC BY - Creative Commons Attribution 4.0
GPC (in chloroform) for sample denoted as PI-2
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abs_PI-1.txt
Plain Text - 20.2 KB - Jun 23, 2025 - 1 Download
MD5: a083fe912c6dfc99a8d71160039fe66f
License: CC BY - Creative Commons Attribution 4.0
UV-Vis spectrum for PI-1in the solid state
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abs_PI-1_laser 405.txt
Plain Text - 20.2 KB - Jun 23, 2025 - 0 Downloads
MD5: 691379fafd0172ef1fa288ed8a147fcc
License: CC BY - Creative Commons Attribution 4.0
UV-Vis spectrum for PI-1 in the solid state after 5 min of irradiation (laser 405nm, I=100mW/cm2)
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abs_PI-1_laser 405_relax5min.txt
Plain Text - 20.2 KB - Jun 23, 2025 - 0 Downloads
MD5: e081ad8073c1a14dd7b273c358acd33e
License: CC BY - Creative Commons Attribution 4.0
UV-Vis spectrum for PI-1in the solid state after 5 min of relaxation
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