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Open AccessFlexible Cu2ZnSn(S,Se)4 solar cells with over 10% efficiency and methods of enlarging the cell area
For kesterite copper zinc tin sulfide/selenide (CZTSSe) solar cells to enter the market, in addition to efficiency improvements, the technological capability to produce flexible and large-area modules with hom...
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Article
Determination of Carrier Lifetimes in Organic-Inorganic Hybrid Solar Cells Based on Sb2S3 by Using the Time-Resolved Photocurrent
This paper presents organic-inorganic hybrid solar cells (SCs) based on ZnO/Sb2S3/P3HT heterojunctions. The ZnO and the Sb2S3 layers were grown using atomic layer deposition (ALD). Although four cells were fabric...
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Article
Simultaneous fabrication of an alignment layer and a wall structure for a liquid crystal display by solvent-assisted micromolding
Patterning and aligning are the most distinctive research areas in surface science. In this paper, we demonstrate a fabrication method for the simultaneous formation of a wall-structured surface relief and a m...
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Article
The optical and structural properties of CuIn1−x Ga x Se2 thin films fabricated with various Ga contents by using the co-evaporation technique
The purpose of the present study is to investigate the optical and the structural properties of CuIn1−x Ga x Se2 (CIGS) thin films with various Ga/[In+Ga] ratios ...
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Article
Open AccessLattice-patterned LC-polymer composites containing various nanoparticles as additives
In this study, we show the effect of various nanoparticle additives on phase separation behavior of a lattice-patterned liquid crystal [LC]-polymer composite system and on interfacial properties between the LC...
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Article
Effect of molecular weight of biscinnamated poly(ethylene glycol) oligomers on the photocycloaddition reaction
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Article
Molecular Orientation of Liquid Crystal on Polymer Blends of Coumarin and Naphthalenic Polyimide
Photo-induced liquid crystal alignment layers were prepared by blending polyimides and photoreactive polymers followed by polarized UV irradiation. Polyimides are selected for the purpose of improving the ...
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Article
Effect of composition and synthetic route on the microstructure of biodegradable diblock copolymer, poly(ε-caprolactone-co-L-lactide)-b-poly(ethylene glycol)
Biodegradable poly(ε-caprolactone-co-L-lactide)-b-poly(ethylene glycol) (PCLA-b-PEG) copolymers were synthesized via solution polymerization by varying the feed composition of ε-caprolactone (ε-CL) and L-lactide ...
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Article
Mechanism of Photo-Induced Liquid Crystal Alignment on a Poly(vinyl cinnamate) Thin Layer
The mechanism of photo-induced liquid crystal (LC) alignment on a poly(vinyl cinnamate) (PVCi) thin layer was studied. By spectral analysis for the polarized UV spectra of the PVCi thin layer exposed to a pola...