Air-grown hybrid copper(i) halide single crystals: structural transformations and ultraviolet-pumped photoluminescence applications

Article Engineering, Environmental

Water-induced crystal phase transformation of stable lead-free Cu-based perovskite nanocrystals prepared by one-pot method

Shuaidong Liu et al.

Summary: The facile one-pot method for synthesizing Cs3Cu2X5 NCs with superior optical performance shows great potential in the field of optoelectronics, despite the hinderances from complex preparation methods.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Materials Science, Multidisciplinary

Water-assisted synthesis of lead-free Cu based fluorescent halide perovskite nanostructures

Hari Shankar et al.

Summary: In this study, lead-free perovskite nanostructures Cs2CuCl4, Cs2CuBr4, and Cs2CuBr2Cl2 were synthesized using non-toxic copper through a ligand assisted re-precipitation (LARP) synthesis route at room temperature. Water was used as a polar solvent to dissolve metal halide precursors rapidly. The mixed halide perovskite Cs2CuBr2Cl2NCs achieved a high photoluminescence quantum yield (PLQY) of 38% with blue luminescence in an aqueous medium for the first time.

MATERIALS ADVANCES (2022)

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Review Nanoscience & Nanotechnology

Lead-Free Perovskite Materials for Solar Cells

Minghao Wang et al.

Summary: The toxicity issue of lead-based halide perovskites hinders their large-scale commercial applications in solar cells. Therefore, non- or low-toxic perovskite materials are being explored for development of environmentally friendly lead-free perovskite solar cells. More new lead-free perovskite materials with tunable optical and electrical properties are urgently required for highly efficient and stable lead-free perovskite solar cells.

NANO-MICRO LETTERS (2021)

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Review Chemistry, Applied

Intermediates transformation for efficient perovskite solar cells

Zhizai Li et al.

Summary: Perovskite materials have significantly improved in PCE, with intermediates transformation being a key factor in obtaining high-quality films, which can potentially enhance fabrication efficiency.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Article Chemistry, Multidisciplinary

Stable and Bright Pyridine Manganese Halides for Efficient White Light-Emitting Diodes

Guangcai Hu et al.

Summary: This study successfully synthesized highly emissive organic-inorganic manganese halide perovskites using a one-pot solution-based method, demonstrating their potential application in blue light pumped white light-emitting diodes with superior white light emission quality.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Physical

Highly-efficient all-inorganic lead-free 1D CsCu2I3 single crystal for white-light emitting diodes and UV photodetection

Xiaoming Mo et al.

Summary: The research focuses on using copper(I) to fully substitute lead in order to produce high-quality, air stable yellow emitting CsCu2I3 single crystals. These single crystals exhibit a record photoluminescence quantum yield exceeding 50% and are capable of producing white light-emitting diodes that can work continuously for over 580 hours in air. Photodetectors fabricated using these single crystals show distinct UV response with a fast response time as low as 50.4 ms.

NANO ENERGY (2021)

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Article Nanoscience & Nanotechnology

Highly Efficient Cool-White Photoluminescence of (Gua)3Cu2I5 Single Crystals: Formation and Optical Properties

Hui Peng et al.

Summary: The lead-free compound (Gua)(3)Cu2I5 has a unique structure and excellent photoelectric properties, making it suitable for white solid-state lighting and sensitive temperature scaling applications.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Nanoscience & Nanotechnology

Stable and Self-Powered Solar-Blind Ultraviolet Photodetectors Based on a Cs3Cu2I5/β-Ga2O3 Heterojunction Prepared by Dual-Source Vapor Codeposition

Jingli Ma et al.

Summary: This research developed a self-powered solar-blind ultraviolet (UV) photodetector using a dual-source vapor codeposition technique to prepare nontoxic copper halide Cs3Cu,I-5, which was integrated with a fi-Ga2O3 wafer to construct a type-II heterojunction. The device demonstrated a good solar-blind UV response property, low dark current, high rejection ratio, fast photoresponse speed, and high photo-to-dark current ratio. Furthermore, the photodetection ability of the device was maintained even after continuous working and storage in ambient air, indicating outstanding air stability.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Materials Science, Multidisciplinary

Reversible and Irreversible Thermochromism in Copper-Based Halide Perovskites

Carina Pareja-Rivera et al.

Summary: This study discussed the thermochromic behavior of two copper-based layered perovskite materials, revealing that the nature of the organic cation determines whether the behavior is reversible or irreversible. Through techniques like nuclear magnetic resonance, X-ray diffraction, and optical absorption, the mechanism for the thermochromic transition was investigated.

ADVANCED OPTICAL MATERIALS (2021)

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Article Chemistry, Physical

Stable UV-Pumped White Light-Emitting Diodes Based on Anthracene-Coated CsCu2I3

Weiwei Liu et al.

Summary: By utilizing anthracene-coated CsCu2I3 (CsCu2I3@anthracene) nanocrystals, efficient and stable color conversion phosphors were achieved in white light-emitting diodes (WLEDs), enabling the generation of white light with different correlated color temperatures (CCT) and long-term color stability.

JOURNAL OF PHYSICAL CHEMISTRY C (2021)

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Article Chemistry, Physical

A New Type of Hybrid Copper Iodide as Nontoxic and Ultrastable LED Emissive Layer Material

Kun Zhu et al.

Summary: A new type of lead-free LED using copper(I) iodide hybrid material as the emissive layer has been developed, showing remarkable stability and solution processability. This work paves the way for ecofriendly and robust LED materials.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Multidisciplinary

Alloying a single and a double perovskite: a Cu+/2+ mixed-valence layered halide perovskite with strong optical absorption

Bridget A. Connor et al.

Summary: Introducing heterovalent cations can change the optoelectronic properties of halide perovskites, and utilizing the structural flexibility of two-dimensional perovskites allows for placing three distinct stoichiometric cations in octahedral sites. The new layered perovskite exhibits enhanced electronic conductivity due to intervalence charge transfer between mixed-valence Cu centers. This demonstrates the importance of increasing the compositional complexity of halide perovskites for improved properties such as enhanced visible light absorption.

CHEMICAL SCIENCE (2021)

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Review Chemistry, Multidisciplinary

A review on the stability of inorganic metal halide perovskites: challenges and opportunities for stable solar cells

Wanchun Xiang et al.

Summary: Inorganic perovskite based solar cells have garnered global attention for their high thermal stability and theoretical power conversion efficiencies. However, their poorer phase stability compared to hybrid counterparts requires further research. This review summarizes the progress in stability research on inorganic perovskites, focusing on degradation mechanisms towards temperature, moisture, and oxygen.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Article Engineering, Electrical & Electronic

Material exploration via designing spatial arrangement of octahedral units: a case study of lead halide perovskites

Pengfei Fu et al.

Summary: A novel honeycomb-like perovskite structure has been discovered through global structure search based on density functional theory, showing high electronic dimensionality and optical absorption coefficients. The research reveals that by arranging functional octahedral units through mixed edge-and corner-sharing, stable molecular cations can be achieved, demonstrating potential for optoelectronic applications.

FRONTIERS OF OPTOELECTRONICS (2021)

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Review Engineering, Electrical & Electronic

Self-trapped exciton emission in inorganic copper(I) metal halides

Boyu Zhang et al.

Summary: The formation of self-trapped excitons requires lattice distortion and strong electron-phonon coupling in low electron-dimensional materials, resulting in photoluminescence in inorganic copper(I) metal halides. These materials are lead-free, all-inorganic, and have high luminous efficiencies, making them of significant interest for future research opportunities.

FRONTIERS OF OPTOELECTRONICS (2021)

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Review Materials Science, Multidisciplinary

Chiral halide perovskite crystals for optoelectronic applications

Yangyang Dang et al.

Summary: Chiral materials have shown interesting physical properties and unique optoelectronic functions, making them a potential class of materials for optoelectronic applications. The combination of excellent components of perovskites and features of chirality has provided in-depth insights into this emerging perovskite optoelectronic area. The review aims to provide a comprehensive understanding of chiral halide perovskite crystals for optoelectronic applications, including their crystal structure, synthesis, growth methods, characteristic properties, and future research opportunities and challenges.

MATTER (2021)

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Article Chemistry, Physical

Circularly Polarized Luminescence from Chiral Tetranuclear Copper(I) Iodide Clusters

Li Yao et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2020)

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Article Nanoscience & Nanotechnology

Opportunity of the Lead-Free All-Inorganic Cs3Cu2I5 Perovskite Film for Memristor and Neuromorphic Computing Applications

Fanju Zeng et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Chemistry, Multidisciplinary

Layered (C6H5CH2NH3)2CuBr4 Perovskite for Multilevel Storage Resistive Switching Memory

So-Yeon Kim et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Physical

Photophysics in Cs3Cu2X5 (X = Cl, Br, or I): Highly Luminescent Self-Trapped Excitons from Local Structure Symmetrization

Linyuan Lian et al.

CHEMISTRY OF MATERIALS (2020)

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Article Chemistry, Physical

Multiple Self-Trapped Emissions in the Lead-Free Halide Cs3Cu2I5

Haijie Chen et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2020)

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Article Chemistry, Physical

K2CuX3 (X = Cl, Br): All-Inorganic Lead-Free Blue Emitters with Near-Unity Photoluminescence Quantum Yield

Tielyr D. Creason et al.

CHEMISTRY OF MATERIALS (2020)

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Review Materials Science, Multidisciplinary

Broad-band emission in metal halide perovskites: Mechanism, materials, and applications

Guojun Zhou et al.

MATERIALS SCIENCE & ENGINEERING R-REPORTS (2020)

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Article Materials Science, Multidisciplinary

All-Inorganic Lead-Free Heterometallic Cs4MnBi2Cl12 Perovskite Single Crystal with Highly Efficient Orange Emission

Jun-Hua Wei et al.

MATTER (2020)

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Article Chemistry, Multidisciplinary

Solution-processed one-dimensional CsCu2I3 nanowires for polarization-sensitive and flexible ultraviolet photodetectors

Ying Li et al.

MATERIALS HORIZONS (2020)

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Article Materials Science, Multidisciplinary

Liquid-like Interfaces Mediate Structural Phase Transitions in Lead Halide Perovskites

Connor G. Bischak et al.

MATTER (2020)

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Article Materials Science, Multidisciplinary

Mn-doped 2D Sn-based perovskites with energy transfer from self-trapped excitons to dopants for warm white light-emitting diodes

Lu Hou et al.

JOURNAL OF MATERIALS CHEMISTRY C (2020)

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Article Materials Science, Multidisciplinary

Efficient Anti-solvent-free Spin-Coated and Printed Sn-Perovskite Solar Cells with Crystal-Based Precursor Solutions

Lintao He et al.

MATTER (2020)

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Article Chemistry, Multidisciplinary

Circularly Polarized Luminescence from Achiral Single Crystals of Hybrid Manganese Halides

Jian Zhao et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Chemistry, Multidisciplinary

Colloidal Synthesis and Optical Properties of All-Inorganic Low-Dimensional Cesium Copper Halide Nanocrystals

Pengfei Cheng et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Review Chemistry, Multidisciplinary

From Lead Halide Perovskites to Lead-Free Metal Halide Perovskites and Perovskite Derivatives

Zewen Xiao et al.

ADVANCED MATERIALS (2019)

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Article Materials Science, Multidisciplinary

Copper(I)-Based Highly Emissive All-Inorganic Rare-Earth Halide Clusters

Jia Lin et al.

MATTER (2019)

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Article Chemistry, Multidisciplinary

Distinct green electroluminescence from lead-free CsCuBr2 halide micro-crosses

Tao Li et al.

CHEMICAL COMMUNICATIONS (2019)

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Article Engineering, Electrical & Electronic

Near-Unity Photoluminescence Quantum Yield in Blue-Emitting Cs3Cu2Br5-xIx (0 ≤ x ≤ 5)

Rachel Roccanova et al.

ACS APPLIED ELECTRONIC MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Room-Temperature Solution-Synthesized p-Type Copper(I) Iodide Semiconductors for Transparent Thin-Film Transistors and Complementary Electronics

Ao Liu et al.

ADVANCED MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Lead-Free Highly Efficient Blue-Emitting Cs3Cu2I5 with 0D Electronic Structure

Taehwan Jun et al.

ADVANCED MATERIALS (2018)

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Article Chemistry, Physical

(C6H5CH2NH3)2CuBr4: A Lead-Free, Highly Stable Two-Dimensional Perovskite for Solar Cell Applications

Xiaolei Li et al.

ACS APPLIED ENERGY MATERIALS (2018)

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Visible-Light Ultrasensitive Solution-Prepared Layered Organic-Inorganic Hybrid Perovskite Field-Effect Transistor

Chen Chen et al.

ADVANCED OPTICAL MATERIALS (2017)

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Article Chemistry, Physical

Advanced analysis of copper X-ray photoelectron spectra

Mark C. Biesinger

SURFACE AND INTERFACE ANALYSIS (2017)

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Article Chemistry, Multidisciplinary

Chemical Origin of the Stability Difference between Copper(I)- and Silver(I)-Based Halide Double Perovskites

Zewen Xiao et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2017)

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Review Chemistry, Multidisciplinary

Lead-Free Organic-Inorganic Hybrid Perovskites for Photovoltaic Applications: Recent Advances and Perspectives

Zejiao Shi et al.

ADVANCED MATERIALS (2017)

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Article Chemistry, Multidisciplinary

Formation of Hybrid Perovskite Tin Iodide Single Crystals by Top-Seeded Solution Growth

Yangyang Dang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2016)

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Crystallographic-Investigations into Properties of Acentric Hybrid Perovskite Single Crystals NH(CH3)3SnX3 (X = Cl, Br)

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CHEMISTRY OF MATERIALS (2016)

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Lead-Free MA2CuClxBr4-x, Hybrid Perovskites

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Complexation and Phase Evolution at Dimethylformamide-Ag(111) Interfaces

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Toxicity of organometal halide perovskite solar cells

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NATURE MATERIALS (2016)

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Low-temperature, inkjet printed p-type copper(I) iodide thin film transistors

Chang-Ho Choi et al.

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The anatomy of a comprehensive constrained, restrained refinement program for the modern computing environment-Olex2 dissected

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ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES (2015)

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OLEX2: a complete structure solution, refinement and analysis program

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Two halide exchange in copper(II) halide dimers:: (4,4′-bipyridinum)Cu2Cl6-x Brx

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POLYHEDRON (2006)

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Air-grown hybrid copper(i) halide single crystals: structural transformations and ultraviolet-pumped photoluminescence applications

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