Peter N. Rudd
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View article: Reducing Surface Halide Deficiency for Efficient and Stable Iodide-Based Perovskite Solar Cells
Reducing Surface Halide Deficiency for Efficient and Stable Iodide-Based Perovskite Solar Cells Open
State-of-the-art, high-performance perovskite solar cells (PSCs) contain a large amount of iodine to realize smaller bandgaps. However, the presence of numerous iodine vacancies at the surface of the film formed by their evaporation during…
View article: Efficient sky-blue perovskite light-emitting diodes via photoluminescence enhancement
Efficient sky-blue perovskite light-emitting diodes via photoluminescence enhancement Open
The efficiencies of green and red perovskite light-emitting diodes (PeLEDs) have been increased close to their theoretical upper limit, while the efficiency of blue PeLEDs is lagging far behind. Here we report enhancing the efficiency of s…
View article: Layer number dependent ferroelasticity in 2D Ruddlesden–Popper organic-inorganic hybrid perovskites
Layer number dependent ferroelasticity in 2D Ruddlesden–Popper organic-inorganic hybrid perovskites Open
View article: Layer Number Dependent Ferroelasticity in 2D Ruddlesden-Popper Organic-inorganic Hybrid Perovskites
Layer Number Dependent Ferroelasticity in 2D Ruddlesden-Popper Organic-inorganic Hybrid Perovskites Open
Ferroelasticity represents material domains possessing spontaneous strain that can be switched by external stress. Three-dimensional (3D) perovskites like methylammonium lead iodide (MAPI), which have demonstrated efficient solar cells and…
View article: Ultrafast Exciton Transport with a Long Diffusion Length in Layered Perovskites with Organic Cation Functionalization
Ultrafast Exciton Transport with a Long Diffusion Length in Layered Perovskites with Organic Cation Functionalization Open
Layered perovskites have been employed for various optoelectronic devices including solar cells and light‐emitting diodes for improved stability, which need exciton transport along both the in‐plane and the out‐of‐plane directions. However…
View article: Bilateral alkylamine for suppressing charge recombination and improving stability in blade-coated perovskite solar cells
Bilateral alkylamine for suppressing charge recombination and improving stability in blade-coated perovskite solar cells Open
The power conversion efficiencies (PCEs) of perovskite solar cells (PSCs) are already higher than that of other thin film technologies, but laboratory cell-fabrication methods are not scalable. Here, we report an additive strategy to enhan…
View article: Enhancing electron diffusion length in narrow-bandgap perovskites for efficient monolithic perovskite tandem solar cells
Enhancing electron diffusion length in narrow-bandgap perovskites for efficient monolithic perovskite tandem solar cells Open
Developing multijunction perovskite solar cells (PSCs) is an attractive route to boost PSC efficiencies to above the single-junction Shockley-Queisser limit. However, commonly used tin-based narrow-bandgap perovskites have shorter carrier …
View article: Synergistic Effect of Elevated Device Temperature and Excess Charge Carriers on the Rapid Light-Induced Degradation of Perovskite Solar Cells
Synergistic Effect of Elevated Device Temperature and Excess Charge Carriers on the Rapid Light-Induced Degradation of Perovskite Solar Cells Open
With power conversion efficiencies now reaching 24.2%, the major factor limiting efficient electricity generation using perovskite solar cells (PSCs) is their long‐term stability. In particular, PSCs have demonstrated rapid degradation und…
View article: Imperfections and their passivation in halide perovskite solar cells
Imperfections and their passivation in halide perovskite solar cells Open
All highly-efficient organic–inorganic halide perovskite (OIHP) solar cells to date are made of polycrystalline perovskite films which contain a high density of defects, including point and extended imperfections. The imperfections in OIHP…
View article: Suppressed Ion Migration along the In-Plane Direction in Layered Perovskites
Suppressed Ion Migration along the In-Plane Direction in Layered Perovskites Open
Ion migration in a three-dimensional (3D) perovskite is the source of many unique phenomena such as photocurrent hysteresis and a giant switchable photovoltaic effect and can also accelerate the degradation of perovskite-based electronic d…
View article: Excess charge-carrier induced instability of hybrid perovskites
Excess charge-carrier induced instability of hybrid perovskites Open
Identifying the origin of intrinsic instability for organic–inorganic halide perovskites (OIHPs) is crucial for their application in electronic devices, including solar cells, photodetectors, radiation detectors, and light-emitting diodes,…
View article: Hot-Substrate Deposition of Hole- and Electron-Transport Layers for Enhanced Performance in Perovskite Solar Cells
Hot-Substrate Deposition of Hole- and Electron-Transport Layers for Enhanced Performance in Perovskite Solar Cells Open
Charge transport layers play an important role in determining the power conversion efficiencies (PCEs) of perovskite solar cells (PSCs). However, it has proven challenging to produce thin and compact charge transport layers via solution pr…
View article: Blading Phase‐Pure Formamidinium‐Alloyed Perovskites for High‐Efficiency Solar Cells with Low Photovoltage Deficit and Improved Stability
Blading Phase‐Pure Formamidinium‐Alloyed Perovskites for High‐Efficiency Solar Cells with Low Photovoltage Deficit and Improved Stability Open
Currently, blade‐coated perovskite solar cells (PSCs) with high power conversion efficiencies (PCEs), that is, greater than 20%, normally employ methylammonium lead tri‐iodide with a sub‐optimal bandgap. Alloyed perovskites with formamidin…
View article: Efficient sky-blue perovskite light-emitting diodes via photoluminescence enhancement
Efficient sky-blue perovskite light-emitting diodes via photoluminescence enhancement Open
View article: Enhancing electron diffusion length in narrow-bandgap perovskites for efficient monolithic perovskite tandem solar cells
Enhancing electron diffusion length in narrow-bandgap perovskites for efficient monolithic perovskite tandem solar cells Open
View article: Bilateral alkylamine for suppressing charge recombination and improving stability in blade-coated perovskite solar cells
Bilateral alkylamine for suppressing charge recombination and improving stability in blade-coated perovskite solar cells Open
Anchoring monolayer bilateral amines on perovskite passivates surface defects, reinforces grain boundaries, and enhances stability.
View article: Excess charge-carrier induced instability of hybrid perovskites
Excess charge-carrier induced instability of hybrid perovskites Open
Identifying the origin of intrinsic instability for organic–inorganic halide perovskites (OIHPs) is crucial for their application in electronic devices, including solar cells, photodetectors, radiation detectors, and light-emitting diodes,…
View article: Grain Engineering for Perovskite/Silicon Monolithic Tandem Solar Cells with Efficiency of 25.4%
Grain Engineering for Perovskite/Silicon Monolithic Tandem Solar Cells with Efficiency of 25.4% Open
View article: Solar Cells: Hot‐Substrate Deposition of Hole‐ and Electron‐Transport Layers for Enhanced Performance in Perovskite Solar Cells (Adv. Energy Mater. 2/2018)
Solar Cells: Hot‐Substrate Deposition of Hole‐ and Electron‐Transport Layers for Enhanced Performance in Perovskite Solar Cells (Adv. Energy Mater. 2/2018) Open
In article number 1701659, Jinsong Huang, Jiarong Lian, and co-workers propose a simple hot-substrate deposition method to prepare a thin film with higher coverage and improved uniformity. The hot substrate improves the adhesion of the sol…