1T′‐Mo1−xWxS2/CdS Heterostructure Enabling Robust Photocatalytic Water Splitting: Unveiling the Interfacial Charge Polarization

10.1002/solr.201800032

2018-03-30

Transition metal dichalcogenides are generally considered as highly efficient and cost‐effective cocatalysts used in heterostructure‐based photocatalysis systems. The electronic structure of the transition metal dichalcogenide is considered as an important pa...

Semitransparent CH3NH3PbI3 Films Achieved by Solvent Engineering for Annealing‐ and Electron Transport Layer‐Free Planar Perovskite Solar Cells

10.1002/solr.201700222

2018-03-30

A new solvent engineering method by using toluene as an antisolvent is developed to construct dense, mirror‐like, void‐free, and semitransparent CH3NH3PbI3 (MAPbI3) perovskite films, and the corresponding planar heterojunction perovskite solar cells (PSCs) ex...

10.3% Efficient CuIn(S,Se)2 Solar Cells from DMF Molecular Solution with the Absorber Selenized under High Argon Pressure

10.1002/solr.201800044

2018-03-30

Fabricating high performing chalcopyrite absorber material from environmental benign solvent is very important for large scale manufacturing production. Here, N, N‐dimethylformamide (DMF) is used as a single solvent to make CuIn(S,Se)2 (CIS) molecular precurs...

Endotaxial Growth of [100]‐Oriented TaON Films on LiTaO3 Single Crystals for Enhanced Photoelectrochemical Water Splitting

10.1002/solr.201700243

2018-03-25

To enhance the photoelectrochemical (PEC) water splitting performance of TaON photoanodes, we grow [100]‐oriented TaON films by nitridating the (012) surface of single crystal LiTaO3 under NH3/CCl4 mixed gas. The endotaxial growth of [100]‐oriented TaON from ...

Band‐Engineered PbS Nanoparticles in CH3NH3PbI3 Solar Cells to Extend Activity Toward Near‐Infrared Region

10.1002/solr.201800012

2018-03-24

Here, a route is reported to extend the activity of perovskite solar cells toward the near‐infrared (NIR) region through incorporation of band‐engineered PbS nanoparticles in the form of a bilayer structure with the perovskite layer. The nanoparticles were do...

A Universal Route to Fabricate n‐i‐p Multi‐Junction Polymer Solar Cells via Solution Processing

10.1002/solr.201800018

2018-03-23

The interconnection layer (ICL) that connects adjacent subcells electrically and optically in solution‐processed multi‐junction polymer solar cells must meet functional requirements in terms of work functions, conductivity, and transparency, but also be compa...

Hydrogen‐Bonding Strategy to Optimize Charge Distribution of PC71BM and Enable a High Efficiency of 12.45% for Organic Solar Cells

10.1002/solr.201800038

2018-03-23

Short‐circuit current density (JSC), fill factor (FF), and open‐circuit voltage (VOC) are the determining factors on organic solar cells (OSCs) performance. For ternary blend devices, the VOC generally shows a smaller change compared to their binary blend cou...

Highly‐Stable Organo‐Lead Halide Perovskites Synthesized Through Green Self‐Assembly Process

10.1002/solr.201800052

2018-03-22

Although unprecedented conversion efficiency has been achieved in organic–inorganic hybrid perovskite solar cells (PSCs), their long‐term stability has remained a major issue in their transition. Here, we demonstrate a highly‐stable CH3NH3PbI3 (MAPbI3) perovs...

Metal Oxide CrOx as a Promising Bilayer Electron Transport Material for Enhancing the Performance Stability of Planar Perovskite Solar Cells

10.1002/solr.201700245

2018-03-14

The stability of both the perovskite material and the interfacial layer is a key issue toward commercializing perovskite solar cells, due to the detrimental effects of water and oxygen under ambient conditions. Here, we report a solution‐processed organic–ino...

CdS as Electron Transport Layer for Low‐Hysteresis Perovskite Solar Cells

10.1002/solr.201800056

2018-03-13

In order to achieve highly efficient perovskite solar cells in n–i–p geometry with little hysteresis, CdS is investigated as low‐cost, easily processable electron transport layer (ETL). For comparison, also perovskite solar cells without ETL or with low‐tempe...