Cube-shaped nanocrystals (NCs) of conventional metals like gold and silver generally exhibit localized surface plasmon resonance (LSPR) in the visible region with spectral modes determined by their faceted shapes. However, NCs exhibiting LSPR response infrared (IR) are relatively rare. Here, we describe colloidal synthesis nanoscale fluorine-doped indium oxide (F:In2O3) cubes IR region, wherein fluorine was found to both direct cubic morphology act as an aliovalent dopant. Single-crystalline...

A synthetic challenge in faceted metal oxide nanocrystals (NCs) is realizing tunable localized surface plasmon resonance (LSPR) near-field response the infrared (IR). Cube-shaped nanoparticles of noble metals exhibit LSPR spectral tunability limited to visible range. Here, we describe colloidal synthesis fluorine, tin codoped indium (F,Sn:In2O3) NC cubes with IR range for around 10 nm particle sizes. Free carrier concentration tuned through controlled Sn dopant incorporation, where an...

Nanocrystalline anatase TiO2 is a robust model anode for Li insertion in batteries. The influence of nanocrystal size on the equilibrium potential and kinetics investigated with operando spectroelectrochemistry thin film electrodes. Distinct visible infrared responses correlate electron accumulation, respectively, these optical signals are used to deconvolute bulk from other electrochemical responses, such as double-layer capacitance, pseudocapacitance, electrolyte leakage. Electrochemical...

The equilibrium phase of cesium lead iodide (CsPbI3) at room temperature is yellow and optically inactive due to its indirect band gap. metastable black CsPbI3 on the other hand exhibits optical properties that are suitable for photovoltaic light-emitting devices. Here, we examine stability ligand-stabilized nanocrystals heated in humid air. Water vapor known catalyze transition from phase. Uniform with cube shape were synthesized capping ligand mixtures oleylamine oleic acid or...

The use of dynamically bonded molecules designed to reversibly link solvent-dispersed nanocrystals (NCs) is a promising strategy form colloidal assemblies with controlled structures and macroscopic properties. In this work, tin-doped indium oxide NCs are functionalized ligands that reversible covalent bonds linking drive assembly NC gels. We monitor the gelation by using small angle X-ray scattering characterize how changes in gel structure affect infrared optical properties arising from...

Electroreduction of CO2 to formate powered by renewable energy offers an alternative pathway producing carbon fuels that are traditionally manufactured using fossil fuels. However, achieving simultaneously high partial current density (jHCOO–), product selectivity (Faradaic efficiency (FEHCOO–)), and low overpotentials (η) remains difficult due the lack suitable catalysts. Here, we report electroreduction on Sn-doped indium oxide (ITO) nanocrystal catalysts in alkaline flow electrolyzer....

Plasmonic metal oxide nanocrystals are interesting electrochromic materials because they display high modulation of infrared light, fast switching kinetics, and durability. Nanocrystals facilitate solution-based high-throughput deposition, but typically require handling hazardous nonaqueous solvents further processing the as-deposited film with energy-intensive or chemical treatments. We report on a method to produce aqueous dispersions tin-doped indium (ITO) by refunctionalizing nanocrystal...

A wide range of material properties can be accessed by tuning the size and shape nanocrystals (NCs). Cations incorporated into crystal lattice indium oxide (In2O3) NCs as dopants have been shown to impact electronic, optical, magnetic also sometimes influence NC shape, but effects nonincorporative cations not investigated. In this work, we found that alkali greatly affect In2O3 NCs. particular, addition sodium ions in reactant mixture significantly increases induces a rhombic dodecahedral...

Crystallographic defects are essential to the functional properties of semiconductors, controlling everything from conductivity optical and catalytic activity. In nanocrystals, too, defect engineering with extrinsic dopants has been fruitful. Although intrinsic like vacancies can be equally useful, synthetic strategies for their generation comparatively underdeveloped. Here, we show that concentration tuned during synthesis colloidal metal oxide nanocrystals by addition salts. not...

The incorporation of monovalent silver (Ag+) cations into methylammonium lead bromide (CH3NH3PbBr3) perovskite films leads to a strongly preferred (001) crystallographic orientation on wide variety substrates, ranging from glass mesoporous TiO2. CH3NH3PbBr3 deposited without Ag+ exhibit only weakly (011) orientation. Compositional maps and depth profiles time-of-flight secondary ion mass spectrometry (TOF-SIMS) reveal segregated grain boundaries interfaces. In photovoltaic devices (PVs),...

<div>The use of dynamically bonding molecules designed to reversibly link solvent-dispersed nanocrystals (NCs) is a promising strategy form colloidal assemblies with controlled structure and macroscopic properties. In this work, tin-doped indium oxide NCs are functionalized ligands that reversible covalent bonds linking drive assembly NC gels. We monitor gelation using small angle X-ray scattering characterize how changes in the gel affect infrared optical properties arising from...

Color-changing materials have a variety of applications, ranging from smart windows to sensors. Here, we report deliquescent chromism thin, color neutral films nickel(II) iodide (NiI2) that are less than 10 μm thick. This behavior does not occur in the bulk material. Dark brown thin crystalline NiI2 turn clear when exposed humidity and can be switched back dark state mildly heated (>35 °C). optical transition between states an film is reversible with thermal cycling.

Cube-shaped nanocrystals (NCs) of conventional metals like gold and silver generally exhibit localized surface plasmon resonance (LSPR) in the visible region with spectral modes determined by their faceted shapes. However, NCs exhibiting LSPR response infrared (IR) are relatively rare. Here, we describe colloidal synthesis nanoscale fluorine-doped indium oxide (F:In 2 O 3 ) cubes IR region, wherein fluorine was found to both direct cubic morphology act as an aliovalent dopant. Single...

Bixbyite vanadium sesquioxide (V2O3) is a metastable polymorph of oxide that has been shown to have significant oxygen storage capacity (OSC) with very low-temperature oxidation onset. In this work, bixbyite V2O3 nanocrystals were synthesized titanium and manganese dopants. Doped materials varied dopant concentrations synthesized, all incorporated as aliovalent metal ions. The OSC these nanocrystal was evaluated over ten reduction cycles. It found cycles, the fell drastically. situ X-ray...

Nanocrystalline anatase TiO<sub>2</sub> is a robust model anode for Li-insertion in batteries. The influence of nanocrystal size on the equilibrium potential and kinetics investigated with <i>in operando</i> spectroelectrochemistry thin film electrodes. Distinct visible infrared responses correlate electron accumulation, respectively, these optical signals are used to deconvolute from other electrochemical responses, such as double-layer capacitance electrolyte...

Cube-shaped nanocrystals (NCs) of conventional metals like gold and silver generally exhibit localized surface plasmon resonance (LSPR) in the visible region with spectral modes determined by their faceted shapes. However, NCs exhibiting LSPR response infrared (IR) are relatively rare. Here, we describe colloidal synthesis nanoscale fluorine-doped indium oxide (F:In<sub>2</sub>O<sub>3</sub>) cubes IR region, wherein fluorine was found to both direct cubic morphology...

Nanocrystalline anatase TiO 2 is a robust model anode for Li-insertion in batteries. The influence of nanocrystal size on the equilibrium potential and kinetics investigated with operando spectroelectrochemistry thin film electrodes. Distinct visible infrared responses correlate electron accumulation, respectively, these optical signals are used to deconvolute from other electrochemical responses, such as double-layer capacitance electrolyte leakage. Electrochemical titration phase-field...

The use of dynamically bonding molecules designed to reversibly link solvent-dispersed nanocrystals (NCs) is a promising strategy form colloidal assemblies with controlled structure and macroscopic properties. In this work, tin-doped indium oxide NCs are functionalized ligands that reversible covalent bonds linking drive assembly NC gels. We monitor gelation using small angle X-ray scattering characterize how changes in the gel affect infrared optical properties arising from localized...

Bixbyite vanadium sesquioxide (V 2 O 3 ) is a metastable polymorph of oxide that has been shown to have significant oxygen storage capacity with very low temperature oxidation onset. In this work, bixbyite V nanocrystals were synthesized titanium and manganese dopants. Doped materials varied dopant concentration synthesized, all incorporated as aliovalent metal ions. The these nanocrystal was evaluated over ten reduction cycles. It found cycles, the fell drastically. situ X-ray diffraction...

<p>Bixbyite vanadium sesquioxide (V<sub>2</sub>O<sub>3</sub>) is a metastable polymorph of oxide that has been shown to have significant oxygen storage capacity with very low temperature oxidation onset. In this work, bixbyite V<sub>2</sub>O<sub>3</sub> nanocrystals were synthesized titanium and manganese dopants. Doped materials varied dopant concentration synthesized, all incorporated as aliovalent metal ions. The these nanocrystal was...

Advanced packaging technology has continuously evolved over the past 10-20 years to become a major driving force in improving integrated circuit (IC) performance. This improvement IC performance is assisted by ability place specialized components near each other for shorter interconnects packages. Temporary bond and debond (TB/DB) an enabling technique this work. TB/DB facilitates many advanced methods such as 2.5D, 3D-IC, fan-out wafer-level (FOWLP), system-in-package (SiP). All these...

Crystallographic defects are essential to the functional properties of semiconductors, controlling everything from conductivity optical and catalytic activity. In nanocrystals, too, defect engineering with extrinsic dopants has been fruitful. Although intrinsic like vacancies can be equally useful, synthetic strategies for their generation comparatively underdeveloped. Here we show that concentration tuned during synthesis colloidal metal oxide nanocrystals by addition salts. not...

The effectiveness of direct 3D print and photonic sintering microwave devices on automotive plastics is investigated. Co-planar waveguide (CPW) lines are printed the Acrylonitrile Butadiene Styrene (ABS) substrate using Aerosol Jet Printer (AJP). silver traces photonically cured Intense Pulsed Light (IPL) by Pulseforge Inc. thickness CPW varied from 4 µm to 14 they pulse that varies 250 300 Volts has a duration 10 ms. thinner more conductive than thicker demonstrate least insertion loss....