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1 article(s) from Kircheva, Nikoleta

Structure-dependent thermochromism of PAZO thin films: theory and experiment

Georgi Mateev,
Dean Dimov,
Nataliya Berberova-Buhova,
Nikoleta Kircheva,
Todor Dudev,
Ludmila Nikolova,
Elena Stoykova,
Keehoon Hong,
Dimana Nazarova,
Silvia Angelova and
Lian Nedelchev

Beilstein J. Nanotechnol. 2026, 17, 186–199, doi:10.3762/bjnano.17.12

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Figure 1: Chemical structure of the PAZO polymer.

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Figure 2: A) Absorbance at various temperatures (from r.t. to 280 °C, heating rate 5 °C per min); B) Absorpti...

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Figure 3: (A) Excitation spectrum (dashed line) and emission spectrum (solid line); (B) IR spectrum of PAZO b...

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Figure 4: S and P polarization spectra for PAZO illuminated with pump laser at 444 nm (A and B) and 532 nm (C...

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Figure 5: A) Dependence of ∆n on the thickness of the sample before and after thermal treatment using an oven...

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Figure 6: A) Chemical structure of the PAZO polymer; B) Schematic presentation of E- and Z-forms of the PAZO ...

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Figure 7: Optimized models of fragments of the polymer main chain (different forms, with/without counterion) ...

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Figure 8: Schematic representation of different molecular packing patterns, orientation of the chromophores a...

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Figure 9: PBE1PBE/6-311+G(2d,p) simulated spectra of PAZO side chain monomer and dimer a–d; Gaussian broadeni...

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Published 20 Jan 2026

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