Results 81 to 90 of about 87,943 (287)

Phase‐Pure and Size‐Tunable Tin Halide Perovskite Quantum Dots

Advanced Materials, EarlyView.
A trioctylphosphine oxide modulated protocol allows for the synthesis and study of the optical properties of a broad library of tin halide perovskite quantum dots across multiple A‐ and X‐site compositions with precise size tuning while eliminating unwanted 2D phases.
Ole F. Dressler, Benjamin Aymoz, Sebastian Sabisch, Stefanie Frick, Sebastian Siol, Dmitry N. Dirin, Simon C. Boehme, Maksym V. Kovalenko   +7 more
wiley   +1 more source

Tuning Thermal Conductivity of Hybrid Perovskites through Halide Alloying

Advanced Science
Tuning the thermal transport properties of hybrid halide perovskites is critical for their applications in optoelectronics, thermoelectrics, and photovoltaics.
Guang Wang, Hongzhao Fan, Zhongwei Chen, Yufei Gao, Zuankai Wang, Zhigang Li, Haipeng Lu, Yanguang Zhou   +7 more
doaj   +1 more source

Interfacial Failure and Self‐Healing in Solid‐State Batteries

Advanced Materials, EarlyView.
Dynamic interfacial self‐healing offers an adaptive route to mitigate coupled mechanical, chemical, and electrochemical degradation in solid‐state batteries. This review connects evolving interfacial failure mechanisms with physical‐flow, chemical‐restoration, stimuli‐responsive, and electric‐field‐assisted repair strategies, highlighting targeted self‐
Xinxin Zhu, Tengfei Dai, Wendi Dou, Zhiheng Li, Kaihua Wen, Yanqun Lv, Ming Zhao, Jun Lu, Zaiping Guo   +8 more
wiley   +1 more source

Tracking carrier and exciton dynamics in mixed-cation lead mixed-halide perovskite thin films

Communications Physics, 2022
Lead halide perovskites have many suitable features as materials for solar cells and a better understanding of the underlying physics will help engineer improved performance values.
Qing Chang, Di Bao, Bingbing Chen, Hongwei Hu, Xiaoxuan Chen, Handong Sun, Yeng Ming Lam, Jian-Xin Zhu, Daming Zhao, Elbert E. M. Chia   +9 more
doaj   +1 more source

Diketopyrrolopyrrole‐Based Cation as a Semiconducting Spacer in Layered Perovskite

Advanced Materials, EarlyView.
Diketopyrrolopyrrole cation incorporated layered perovskites exhibiting extended absorption profiles and enhanced charge carrier mobility with type‐II energy alignment. The improved photoconversion efficiency demonstrates the critical role of incorporating organic semiconductors in optimizing layered perovskite performance.
Waygen Thor, Colin Jeanguenat, Louise De Cian, Demetra Tsokkou, Parnian Ferdowsi, Nicolas J. Diercks, Natalie Banerji, Jun‐Ho Yum, Kevin Sivula   +8 more
wiley   +1 more source

A-Site Cation Engineering for Efficient Blue-Emissive Perovskite Light-Emitting Diodes

Energies, 2020
Metal halide perovskites have been investigated for the next-generation light-emitting materials because of their advantages such as high photoluminescence quantum yield (PLQY), excellent color purity, and facile color tunability.
Jong Hyun Park, Chung Hyeon Jang, Eui Dae Jung, Seungjin Lee, Myoung Hoon Song, Bo Ram Lee   +5 more
doaj   +1 more source

Ion exchange for halide perovskite: From nanocrystal to bulk materials

Nano Select, 2021
Halide perovskite, an ionic semiconductor, with the typically structural composition of ABX3 has become the extremely popular star in optoelectronics due to its superior photophysical properties and easily solution processing.
Haotian Jiang, Siqi Cui, Yu Chen, Haizheng Zhong   +3 more
doaj   +1 more source

Directing Near‐Perfect (001) Orientation in Wafer‐Scale BiOI Thin Films via Halide‐Mediated van der Waals Stacking

Advanced Materials, EarlyView.
Our work introduces a new framework that fundamentally changes how orientation in bismuth oxyhalide systems is approached. Comprehensive experiments, backed by theoretical models, reveal the pivotal role of halide anions to modify the van der Waals stacking energies required to direct orientation. Our method enables the fabrication of near perfect (001)
Gabriel Aygur, Ashakiran Maibam, Hayden Tuohey, Tony Nguyen, Mei Xian Low, Sumeet Walia, Zijun (June) Yong, Ravichandar Babarao, Daniel Gomez, Enrico Della Gaspera, Joel van Embden   +10 more
wiley   +1 more source

Roadmap for electronic structure, anharmonicity, and electron-phonon calculations in locally disordered inorganic and hybrid halide perovskites

The role of data in modern materials science becomes more valuable and accurate when effects such as electron-phonon coupling and anharmonicity are included, providing a more realistic representation of finite-temperature material behavior.
Even, Jacky, Pedesseau, Laurent, Giustino, Feliciano, Volonakis, George, Zacharias, Marios, Katan, Claudine   +5 more
core   +2 more sources

Dimensionality Engineering: A Pathway to Ferroelectric Halide Perovskites

Small Structures
Metal halide perovskites have emerged as a versatile materials platform that uniquely combines semiconducting and ferroelectric functionalities, enabled by their exceptional structural and chemical tunability.
Hyeongyu Gim, Chiyeong Han, Geon Kim, Hyojung Kim, Kootak Hong, Jae Yong Park, Ho Won Jang   +6 more
doaj   +1 more source