Results 81 to 90 of about 489,648 (377)

NaI Doping Effect on Photophysical Properties of Organic-Lead-Halide Perovskite Thin Films by Using Solution Process

open access: yesAdvances in Materials Science and Engineering, 2019
Perovskite solar cells (PSCs) have been developed rapidly in recent years. How to modify the photophysical properties of perovskite films has become the critical issue, affecting device performance.
Chuangchuang Chang   +6 more
doaj   +1 more source

Surface Passivation of Perovskite Film by Small Molecule Infiltration for Improved Efficiency of Perovskite Solar Cells

open access: yesIEEE Photonics Journal, 2016
Surface morphology of perovskite film is critical for highly efficient perovskite-based solar cells. The solution processed perovskite films tend to have voids and pin-holes between the crystals, which has been cited as very detrimental to device ...
Ming Xu   +6 more
doaj   +1 more source

Two-Dimensional Halide Pb-Perovskite–Double Perovskite Epitaxial Heterostructures

open access: yesJournal of the American Chemical Society, 2023
Epitaxial heterostructures of two-dimensional (2D) halide perovskites offer a new platform for studying intriguing structural, optical, and electronic properties. However, difficulties with the stability of Pb- and Sn-based heterostructures have repeatedly slowed the progress.
Singh, Ajeet   +10 more
openaire   +3 more sources

Near‐Infrared Emitting Lanthanide Catecholate Giant Single Crystals – Morphology Control and Photon Down‐Conversion

open access: yesAdvanced Functional Materials, EarlyView.
Controlled syntheses of lanthanide coordination polymers based on the dihydroxybenzoquinone (DHBQ) organic linker afforded large single crystals of Ln‐DHBQ CPs (Ln = Yb, Nd). A novel structural variant of Yb‐DHBQ is identified by means of single crystal diffraction analysis.
Marina I. Schönherr   +7 more
wiley   +1 more source

Homogeneous FACsPbI3 Films via Sequential Deposition for Efficient and Stable Perovskite Solar Cells

open access: yesAdvanced Science
Despite significant advancements in the power conversion efficiency (PCE) of FAPbI3‐based perovskite solar cells (PSCs), their commercialization remains hindered by stability issues.
Xiongzhuo Jiang   +9 more
doaj   +1 more source

Metal Halide Perovskite/Electrode Contacts in Charge‐Transporting‐Layer‐Free Devices

open access: yesAdvanced Science, 2022
Metal halide perovskites have drawn substantial interest in optoelectronic devices in the past decade. Perovskite/electrode contacts are crucial for constructing high‐performance charge‐transporting‐layer‐free perovskite devices, such as solar cells ...
Deli Li   +6 more
doaj   +1 more source

High throughput thermal conductivity of high temperature solid phases: The case of oxide and fluoride perovskites

open access: yes, 2016
Using finite-temperature phonon calculations and machine-learning methods, we calculate the mechanical stability of about 400 semiconducting oxides and fluorides with cubic perovskite structures at 0 K, 300 K and 1000 K.
Carrete, Jesús   +4 more
core   +2 more sources

Enhanced Switching Performance in Single‐Crystalline PbTiO3 Ferroelectric Memristors for Replicating Synaptic Plasticity

open access: yesAdvanced Functional Materials, EarlyView.
This study demonstrated single‐crystalline PbTiO3‐based memristors with atomically sharp interfaces, well‐ordered lattices, and minimal lattice mismatch. The devices exhibited an ON/OFF ratio exceeding 105, high stability, and rich resistance‐state modulation.
Haining Li   +7 more
wiley   +1 more source

Dissolved-Cl2 triggered redox reaction enables high-performance perovskite solar cells

open access: yesNature Communications, 2023
Constructing 2D/3D perovskite heterojunctions is effective for the surface passivation of perovskite solar cells (PSCs). However, previous reports that studying perovskite post-treatment only physically deposits 2D perovskite on the 3D perovskite, and ...
Yujie Luo   +14 more
doaj   +1 more source

Emergence of Light‐Transforming Layered Hybrid Halide Perovskites

open access: yesAdvanced Functional Materials, EarlyView.
The emerging class of light‐transforming layered halide perovskite materials is reviewed, outlining challenges for their development and perspectives toward application in the future. Abstract Layered hybrid halide perovskites (LHPs) have attracted considerable attention in optoelectronics.
Ghewa AlSabeh, Jovana V. Milić
wiley   +1 more source

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