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Themed collection 2015 most accessed Energy & Environmental Science articles

29 articles
Open Access Perspective

Water desalination via capacitive deionization: what is it and what can we expect from it?

Capacitive deionization (CDI) is a promising technology for water desalination that has seen tremendous advances over the past five years.

Graphical abstract: Water desalination via capacitive deionization: what is it and what can we expect from it?
Open Access Perspective

Ferroelectric materials for solar energy conversion: photoferroics revisited

Ferroelectric materials offer opportunities for unconventional solar energy conversion.

Graphical abstract: Ferroelectric materials for solar energy conversion: photoferroics revisited
Perspective

Tailored graphene systems for unconventional applications in energy conversion and storage devices

Graphene-based materials have shown great potential in various fields across physics, chemistry, biology, and electronics, due to their unique electronic properties, facile synthesis, and ease of functionalization.

Graphical abstract: Tailored graphene systems for unconventional applications in energy conversion and storage devices
Review Article

A review of cathode materials and structures for rechargeable lithium–air batteries

This review is specifically focused on the progress in the cathodes for non-aqueous Li–air batteries in the terms of the materials, structure and fabrication.

Graphical abstract: A review of cathode materials and structures for rechargeable lithium–air batteries
Review Article

Metal–organic frameworks and their derived nanostructures for electrochemical energy storage and conversion

This review presents a summary of recent progress and strategies in fabricating MOF-based nanostructures for electrochemical applications.

Graphical abstract: Metal–organic frameworks and their derived nanostructures for electrochemical energy storage and conversion
Review Article

Toward the rational design of non-precious transition metal oxides for oxygen electrocatalysis

The rational design of non-precious transition metal perovskite oxide catalysts holds exceptional promise for understanding and mastering the kinetics of oxygen electrocatalysis instrumental to artificial photosynthesis, solar fuels, fuel cells, electrolyzers, and metal–air batteries.

Graphical abstract: Toward the rational design of non-precious transition metal oxides for oxygen electrocatalysis
Review Article

Recent progress and perspective in solution-processed Interfacial materials for efficient and stable polymer and organometal perovskite solar cells

The latest developments in solution-processed interfacial layers for polymer and hybrid perovskite solar cells are comprehensively reviewed in this article.

Graphical abstract: Recent progress and perspective in solution-processed Interfacial materials for efficient and stable polymer and organometal perovskite solar cells
Review Article

Visible-light driven heterojunction photocatalysts for water splitting – a critical review

We summarise current state-of-the-art efficient visible-light driven heterojunction water splitting photo(electro)catalysts and describe how theoretical modelling of electronic structures at interfaces can explain their functionality.

Graphical abstract: Visible-light driven heterojunction photocatalysts for water splitting – a critical review
Review Article

Flexible graphene devices related to energy conversion and storage

This review summarizes the recent advancements in the synthesis and applications of graphene materials for flexible graphene devices related to energy conversion and storage.

Graphical abstract: Flexible graphene devices related to energy conversion and storage
Open Access Review Article

Supercapacitor electrode materials: nanostructures from 0 to 3 dimensions

A review of supercapacitor electrode materials with 0, 1, 2, and 3 dimensional nanostructures.

Graphical abstract: Supercapacitor electrode materials: nanostructures from 0 to 3 dimensions
Review Article

A comprehensive review of sodium layered oxides: powerful cathodes for Na-ion batteries

The room temperature Na-ion secondary battery has been under focus lately due to its feasibility to compete against the already well-established Li-ion secondary battery.

Graphical abstract: A comprehensive review of sodium layered oxides: powerful cathodes for Na-ion batteries
Open Access Analysis

Hydrogen or batteries for grid storage? A net energy analysis

Storing electrical energy in hydrogen requires less manufacturing energy than batteries, per unit of energy dispatched over the system's lifetime.

Graphical abstract: Hydrogen or batteries for grid storage? A net energy analysis
Open Access Communication

Highly efficient planar perovskite solar cells through band alignment engineering

Planar perovskite solar cells exhibit a conduction band misalignment of the perovskite with TiO2, but not with SnO2. The system using the latter yielded power conversion efficiencies over 18%.

Graphical abstract: Highly efficient planar perovskite solar cells through band alignment engineering
Communication

Achieving overall water splitting using titanium dioxide-based photocatalysts of different phases

Photocatalytic overall water splitting on TiO2-based photocatalysts is determined by both thermodynamics and kinetics simultaneously.

Graphical abstract: Achieving overall water splitting using titanium dioxide-based photocatalysts of different phases
Open Access Communication

17.6% stabilized efficiency in low-temperature processed planar perovskite solar cells

Compact TiO2 is replaced by a low-temperature solution-processed TiOX/60-PCBM layer for electron extraction in perovskite solar cells with high steady conversion efficiencies.

Graphical abstract: 17.6% stabilized efficiency in low-temperature processed planar perovskite solar cells
Communication

Ni2P as a Janus catalyst for water splitting: the oxygen evolution activity of Ni2P nanoparticles

Ni2P is a bifunctional catalyst for both hydrogen and oxygen evolution reactions.

Graphical abstract: Ni2P as a Janus catalyst for water splitting: the oxygen evolution activity of Ni2P nanoparticles
Communication

High-efficiency non-fullerene organic solar cells enabled by a difluorobenzothiadiazole-based donor polymer combined with a properly matched small molecule acceptor

Non-fullerene organic solar cells with power conversion efficiencies of up to 6.3% are reported using properly matched donor and acceptor.

Graphical abstract: High-efficiency non-fullerene organic solar cells enabled by a difluorobenzothiadiazole-based donor polymer combined with a properly matched small molecule acceptor
Communication

Dual nature of the excited state in organic–inorganic lead halide perovskites

A dual nature of the excited state of CH3NH3PbI3 perovskites is discovered, which fully identifies the spectral features in transient spectroscopy.

Graphical abstract: Dual nature of the excited state in organic–inorganic lead halide perovskites
Paper

High efficiency stable inverted perovskite solar cells without current hysteresis

The inverted CH3NH3PbI3 cell fabricated using a two-step method with H2O as an additive in a PbI2 solution exhibited an extremely high FF of 85%.

Graphical abstract: High efficiency stable inverted perovskite solar cells without current hysteresis
Paper

Extraordinarily efficient photocatalytic hydrogen evolution in water using semiconductor nanorods integrated with crystalline Ni2P cocatalysts

A hybrid structure constructed by uniformly anchoring crystalline Ni2P cocatalyst on 1D CdS nanorods exhibits extraordinarily efficient photocatalytic activity for H2 evolution in water (rate of 1,200 μmol h−1 mg−1 and TOF of 36,400 h−1 per mol Ni2P) under visible light irradiation.

Graphical abstract: Extraordinarily efficient photocatalytic hydrogen evolution in water using semiconductor nanorods integrated with crystalline Ni2P cocatalysts
Paper

Hysteresis-less inverted CH3NH3PbI3 planar perovskite hybrid solar cells with 18.1% power conversion efficiency

The inverted CH3NH3PbI3 planar hybrid solar cells exhibited better device efficiency and stability and lower hysteresis than the normal cells.

Graphical abstract: Hysteresis-less inverted CH3NH3PbI3 planar perovskite hybrid solar cells with 18.1% power conversion efficiency
Paper

Understanding the rate-dependent JV hysteresis, slow time component, and aging in CH3NH3PbI3 perovskite solar cells: the role of a compensated electric field

Ionic displacement modifying the electric field in the device is found as most likely reason for the hysteresis which is examined by separating fast and slow processes and comparing devices with and without blocking layer.

Graphical abstract: Understanding the rate-dependent J–V hysteresis, slow time component, and aging in CH3NH3PbI3 perovskite solar cells: the role of a compensated electric field
Paper

Semi-transparent perovskite solar cells for tandems with silicon and CIGS

Semi-transparent perovskite solar cells with silver nanowires are stacked on CIGS and Si to achieve solid-state polycrystalline tandems with efficiency improvement.

Graphical abstract: Semi-transparent perovskite solar cells for tandems with silicon and CIGS
Paper

Highly efficient and bending durable perovskite solar cells: toward a wearable power source

We report annealing-free compact TiOx layer by atomic layer deposition for high efficiency flexible perovskite solar cells, and maintained 95% of the initial PCE after 1000 bending cycles with 10 mm bending radius.

Graphical abstract: Highly efficient and bending durable perovskite solar cells: toward a wearable power source
Paper

Hybrid interfacial layer leads to solid performance improvement of inverted perovskite solar cells

A hybrid interfacial layer of ultrathin NiO/meso-Al2O3 with minimal optical/recombination losses, leads to solid performance improvement of inverted perovskite solar cells.

Graphical abstract: Hybrid interfacial layer leads to solid performance improvement of inverted perovskite solar cells
Paper

Optical properties and limiting photocurrent of thin-film perovskite solar cells

Thorough measurements of the optical constants of CH3NH3PbI3 are used to determine the limiting parasitic losses in solar cells revealing up to 100% IQE and excellent performance at oblique incidence.

Graphical abstract: Optical properties and limiting photocurrent of thin-film perovskite solar cells
Paper

A metal–organic framework route to in situ encapsulation of Co@Co3O4@C core@bishell nanoparticles into a highly ordered porous carbon matrix for oxygen reduction

MOF-derived Co@Co3O4@C core@bishell nanoparticles encapsulated into a highly ordered porous carbon matrix show very high catalytic activity and stability toward the oxygen reduction reaction.

Graphical abstract: A metal–organic framework route to in situ encapsulation of Co@Co3O4@C core@bishell nanoparticles into a highly ordered porous carbon matrix for oxygen reduction
Open Access Paper

Record activity and stability of dealloyed bimetallic catalysts for proton exchange membrane fuel cells

New Pt–Ni catalysts were made for PEMFCs with previously unachieved ORR activity and device durability that exceed the DOE 2017 targets for commercialization.

Graphical abstract: Record activity and stability of dealloyed bimetallic catalysts for proton exchange membrane fuel cells
Open Access Paper

Direct catalytic conversion of cellulose to liquid straight-chain alkanes

A novel one-pot catalytic approach is presented that is able to directly transform cellulose into straight-chain alkanes (mainly n-hexane).

Graphical abstract: Direct catalytic conversion of cellulose to liquid straight-chain alkanes
29 articles

About this collection

This web collection highlights the top 10% most downloaded articles published in Energy & Environmental Science in 2015. Congratulations to all of the authors whose articles have been featured.

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