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Counterbalance between Surface and Confinement Effects As Studied for Amino-Terminated Poly(propylene glycol) Constraint in Silica Nanopores
(American Chemical Society, 2019)
Broadband dielectric spectroscopy (BDS) and orthopositronium annihilation lifetime spectroscopy (PALS) are combined to study the
molecular dynamics and the free volume of poly(propylene glycol) terminated
with amino end ...
Inorganic Surface Engineering to Enhance Perovskite Solar Cell Efficiency
(American Chemical Society, 2017-03-29)
The photoconversion efficiency of perovskite solar cells (PSCs) is enhanced by the deposition of inorganic nanoparticles (NPs) at the interface between the compact TiO2 electron-selective contact and the mesoporous TiO2 ...
Triumphing over Charge Transfer Limitations of PEDOT Nanofiber Reduction Catalyst by 1,2-Ethanedithiol Doping for Quantum Dot Solar Cells
(American Chemical Society, 2017)
Charge transfer between a conducting polymer-based counter electrode (CE) and a polysulfide (S2–/Sn2–) electrolyte mediator is a key limitation to improvements of solar energy conversion efficiency (ECE) in quantum-dot-sensitized ...
Lead-Free Perovskite Solar Cells
(American Chemical Society, 2017)
Improvement of Photovoltaic Performance of Colloidal Quantum Dot Solar Cells Using Organic Small Molecule as Hole-Selective Layer
(American Chemical Society, 2017-04)
A novel organic small molecule bis-triphenylamine with spiro(fluorene-9,9′-xanthene) as the conjugated system, named BTPA-4, is successfully synthesized and employed as the hole-selective layer (HSL) in colloidal quantum ...
Ion Transport in Confined Geometries below the Nanoscale: Access Resistance Dominates Protein Channel Conductance in Diluted Solutions
(2017)
Synthetic nanopores and mesoscopic protein channels have common traits like the importance of electrostatic interactions between the permeating ions and the nanochannel. Ion transport at the nanoscale occurs under confinement ...
Interfacial Effects on Dielectric Propertiesof Polymethylmethacrylate-TitaniaMicrocomposites and Nanocomposites
(Wiley, 2017)
It is discussed that dielectric properties of polymethylmethacrylate (PMMA) composites are influenced by the particle size of titania as a result of changes in the structure and dynamics of polymer chains in the interphase ...
Molecular relaxation and ionic conductivity of ionic liquids confined in apoly(vinylidenefluoride) polymer matrix: Influence of anion and cation type
(Elsevier, 2019)
Blends of poly(vinylidenefluoride) (PVDF) and ionic liquids (ILs) with different cations and anions have beenprepared by solvent casting. The IL content was the same in all blends of the series. Molecular relaxation andionic ...
Broadband dielectric response of silk Fibroin/BaTiO3 composites: Influence of nanoparticle size and concentration
(Elsevier, 2021-06-19)
In order to advance towards more sustainable electronics generation, natural polymers with tailored dielectric response are essential. In this search, the combination of bio-based materials with active fillers in composite ...
Lead-free FASnI3 laser amplifiers integrated in flexible waveguides
(Optica Publishing Group, 2022)
A FASnI3 lead-free perovskite is integrated in a flexible waveguide to demonstrate Amplified Spontaneous Emission. An extremely low threshold, 1 µJ/cm2, is observed together with the formation of narrow random lasing lines ...