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Linking Phase Segregation and Photovoltaic Performance of Mixed-Halide Perovskite Films through Grain Size Engineering

期刊: ACS ENERGY LETTERS, 2021; 6 (4)

Mixed-halide perovskites are attractive candidates as wide-bandgap absorber layers in tandem solar cells. However, photoinduced phase segregation lead......

A Self-Trapping, Bipolar Viologen Bromide Electrolyte for Redox Flow Batteries

期刊: ACS ENERGY LETTERS, 2021; 6 (8)

Aqueous organic redox flow batteries (AORFBs) have become increasingly attractive for scalable energy storage. However, it remains challenging to deve......

Two-Pronged Effect of Warm Solution and Solvent-Vapor Annealing for Efficient and Stable All-Small-Molecule Organic Solar Cells

期刊: ACS ENERGY LETTERS, 2021; 6 (8)

Herein, a portfolio strategy of warm solution and solvent-vapor annealing (WS+SVA) is employed to subtly manipulate the morphology of small molecular ......

Light-Emitting Diodes with Manganese Halide Tetrahedron Embedded in Anti-Perovskites

期刊: ACS ENERGY LETTERS, 2021; 6 (5)

The formability of antiperovskite [MX4]XA(3)-type (A(I) = alkali metals; M(II) = transition metals; X = Cl, Br, I) can be predicted by building the an......

Efficient Optical Orientation and Slow Spin Relaxation in Lead-Free CsSnBr3 Perovskite Nanocrystals

期刊: ACS ENERGY LETTERS, 2021; 6 (5)

Spin properties of lead halide perovskites have recently received considerable research attention, because the strong spin-orbit coupling (SOC) enable......

Chemical Modulation of Local Transition Metal Environment Enables Reversible Oxygen Redox in Mn-Based Layered Cathodes

期刊: ACS ENERGY LETTERS, 2021; 6 (8)

Oxygen redox plays a prominent role in enhancing the energy density of Mn-based layered cathodes. However, understanding the factors affecting the rev......

Ionic Liquids-Enabled Efficient and Stable Perovskite Photovoltaics: Progress and Challenges

期刊: ACS ENERGY LETTERS, 2021; 6 (4)

Perovskite solar cells (PSCs) have been recognized as the best candidates for next-generation photovoltaics. However, it is still challenging to fabri......

Cobalt Chloride Hexahydrate Assisted in Reducing Energy Loss in Perovskite Solar Cells with Record Open-Circuit Voltage of 1.20 V

期刊: ACS ENERGY LETTERS, 2021; 6 (6)

SnO2 is widely used and one of the most efficient electron transport layers in perovskite solar cells (PSCs). However, SnO2 films often contain detrim......

2D Materials as Effective Cantilever Piezoelectric Nano Energy Harvesters

期刊: ACS ENERGY LETTERS, 2021; 6 (6)

Two-dimensional (2D) layered piezoelectric nanomaterials are attractive for application in mechanical energy-harvesting devices. In this study, layere......

High-Performance Bismuth Antimony Telluride Thermoelectric Membrane on Curved and Flexible Supports

期刊: ACS ENERGY LETTERS, 2021; 6 (7)

Separation of epitaxial thin films on a growth substrate and transfer onto other materials for functional heterostructures have boosted the transforma......

Multifunctional Chemical Bridge and Defect Passivation for Highly Efficient Inverted Perovskite Solar Cells

期刊: ACS ENERGY LETTERS, 2021; 6 (4)

The interfacial recombination at the perovskite/hole conductor interface generally results in significant energy losses in inverted perovskite solar c......

Breeze-Wind-Energy-Powered Autonomous Wireless Anemometer Based on Rolling Contact-Electrification

期刊: ACS ENERGY LETTERS, 2021; 6 (6)

A triboelectric nanogenerator (TEND) has great advantages in harvesting low-frequency mechanical energy, which is very suitable for energy harvesters ......

Pure Red Light-Emitting Diodes Based on Quantum Confined Quasi-Two-Dimensional Perovskites with Cospacer Cations

期刊: ACS ENERGY LETTERS, 2021; 6 (7)

Efficient and spectrally stable pure-red perovskite light-emitting diodes (PeLEDs) are still rare and urgently needed for high-definition display. The......

Suppressing the Trapping Process by Interfacial Charge Extraction in Antimony Selenide Heterojunctions

期刊: ACS ENERGY LETTERS, 2021; 6 (5)

The efficiency of antimony selenide (Sb2Se3) solar cells has been improved from <2% to >10% within only 7 years, but fundamental properties at t......

Regulating Thiol Ligands of p-Type Colloidal Quantum Dots for Efficient Infrared Solar Cells

期刊: ACS ENERGY LETTERS, 2021; 6 (5)

The p-type semiconducting colloidal quantum dot (CQD), working as a hole conductor in CQD solar cells (CQDSCs), is critical for charge carrier extract......

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