Eric Wei‐Guang Diau
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View article: Hole‐Selective Self‐Assembled Monolayers Overlaid on NiO<sub>x</sub> or PEDOT:PSS for Tin‐Based Perovskite Solar Cells – An Overview of Recent Characterization Methods
Hole‐Selective Self‐Assembled Monolayers Overlaid on NiO<sub>x</sub> or PEDOT:PSS for Tin‐Based Perovskite Solar Cells – An Overview of Recent Characterization Methods Open
Self‐assembled monolayers (SAMs) with high hole‐selectivity have seen growing use in the research realm of perovskite solar cells (PSCs). Even though SAMs can be used solely, their hole‐selective performance is amplifiable on a p‐type unde…
View article: Overcoming the Stability Issue for Hydrophobic Hole Transporting Layers Utilized in Tin‐Lead Perovskite and Tandem Solar Cells
Overcoming the Stability Issue for Hydrophobic Hole Transporting Layers Utilized in Tin‐Lead Perovskite and Tandem Solar Cells Open
The stability of all‐perovskite tandem solar cells is an important issue due to the acidic nature of the hole transport layer (HTL) utilized, poly(3,4‐ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) in tin‐lead perovskite. Incorp…
View article: Harnessing Functionalized Thioalkylated‐Cyclopentadithiophene Monolayers on NiOx for Two‐Step Fabricated Tin Perovskite Solar Cells
Harnessing Functionalized Thioalkylated‐Cyclopentadithiophene Monolayers on NiOx for Two‐Step Fabricated Tin Perovskite Solar Cells Open
A new series of dithioalkylated‐methylidenyl‐cyclopentadithiophene (CDTS)‐based self‐assembled monolayers (SAMs), including CDTS‐MN ( 1 ), CDTS b ‐MN ( 1b ), CDTS‐CA ( 2 ), and CDTS‐PA ( 3 ), are developed for tin perovskite solar cells (T…
View article: Multifunctional Engineering-Enabled Electron Transport in SnO<sub>2</sub> for Sn-Based Perovskite Solar Cells in the n-i-p Configuration
Multifunctional Engineering-Enabled Electron Transport in SnO<sub>2</sub> for Sn-Based Perovskite Solar Cells in the n-i-p Configuration Open
The two-step sequential deposition technique reported in the inverted p-i-n configuration to fabricate Sn perovskite solar cells fails in the TiO2-based n-i-p configuration since the latter aggravates Sn2+ oxidation from the SnI2 nucleatio…
View article: Development of Double Fence Porphyrins as Self‐Assembled Monolayers for Tin‐Based Perovskite Solar Cells
Development of Double Fence Porphyrins as Self‐Assembled Monolayers for Tin‐Based Perovskite Solar Cells Open
The MC ‐series porphyrins, incorporating a variety of thiophene‐ and dithiophene‐containing donor groups, offer an effective passivation strategy to eliminate Sn 2+ defects on the surface of tin perovskite. Additionally, the C(15) position…
View article: Simple I‐Shaped Aryl‐Based Dyes for Tin Perovskite Solar Cells with Selenophene Core Moiety as Self‐Assembled Monolayers on NiOx Using Two‐Step Fabrication
Simple I‐Shaped Aryl‐Based Dyes for Tin Perovskite Solar Cells with Selenophene Core Moiety as Self‐Assembled Monolayers on NiOx Using Two‐Step Fabrication Open
Six novel organic small molecules, TPA‐Sp‐PA ( 1 ), TPA‐Sp‐PE ( 1E ), TPA‐T‐PA ( 2 ), TPA‐T‐PE ( 2E ), TPA‐P‐PA ( 3 ) and TPA‐P‐PE ( 3E ) are developed and applied to NiOx films as self‐assembled monolayers (SAMs) for tin perovskite solar …
View article: Bithiophene Imide-Based Self-Assembled Monolayers (SAMs) on NiOx for High-Performance Tin Perovskite Solar Cells Fabricated Using a Two-Step Approach
Bithiophene Imide-Based Self-Assembled Monolayers (SAMs) on NiOx for High-Performance Tin Perovskite Solar Cells Fabricated Using a Two-Step Approach Open
Three new bithiophene imide (BTI)-based organic small molecules, BTI-MN-b4 (1), BTI-MN-b8 (2), and BTI-MN-b16 (3), with varied alkyl side chains, were developed and employed as self-assembled monolayers (SAMs) applied to NiOx films in tin …
View article: Solvent‐Free Ball Milling Synthesis of Water‐Stable Tin‐Based Pseudohalide Perovskites for Photocatalytic CO<sub>2</sub> Reduction
Solvent‐Free Ball Milling Synthesis of Water‐Stable Tin‐Based Pseudohalide Perovskites for Photocatalytic CO<sub>2</sub> Reduction Open
A pseudohalide (SCN − ) tin‐based perovskite material using a solvent‐free ball milling method is developed. The synthesized perovskite exhibits long‐term water stability and demonstrated significant photocatalytic activity in reducing CO …
View article: Triphenylamine‐Based Y‐Shaped Self‐Assembled Monolayers for Efficient Tin Perovskite Solar Cells
Triphenylamine‐Based Y‐Shaped Self‐Assembled Monolayers for Efficient Tin Perovskite Solar Cells Open
Triphenylamine‐based Y‐shaped organic sensitizers, specifically TPA‐MN ( 1 ), TPA‐CA (2 ), TPAT‐MN ( 3 ), and TPAT‐CA ( 4 ), are synthesized and utilized as p ‐type self‐assembled monolayers (SAMs) for tin‐based perovskite solar cells (TPS…
View article: Fe<sup>3+</sup> Assisted Synthesis of Stable 3D‐in‐2D CsPbBr<sub>3</sub>/CsPb<sub>2</sub>Br<sub>5</sub> Nanocomposites for Optical Gain Media
Fe<sup>3+</sup> Assisted Synthesis of Stable 3D‐in‐2D CsPbBr<sub>3</sub>/CsPb<sub>2</sub>Br<sub>5</sub> Nanocomposites for Optical Gain Media Open
Metal halide perovskite nanocrystals are sought after for many optical and optoelectronic applications, such as light‐emitting diode and solar cells, due to their outstanding optical properties. However, their ionic nature makes them susce…
View article: Co-Cation Engineering via Mixing of Acetamidinium and Rubidium in FASnI<sub>3</sub> for Tin Perovskite Solar Cells to Attain 14.5% Efficiency
Co-Cation Engineering via Mixing of Acetamidinium and Rubidium in FASnI<sub>3</sub> for Tin Perovskite Solar Cells to Attain 14.5% Efficiency Open
Tin perovskite solar cells (TPSCs) were developed by adding the co-cations acetamidinium (AC) and rubidium (Rb) in varied proportions based on the FASnI3 structure (E1). We found that adding 10% AC and 3% Rb can optimize the device (E1AC10…
View article: Photocatalytic CO2 Reduction Using Zinc Indium Sulfide Aggregated Nanostructures Fabricated under Four Anionic Conditions
Photocatalytic CO2 Reduction Using Zinc Indium Sulfide Aggregated Nanostructures Fabricated under Four Anionic Conditions Open
Zinc indihuhium sulfide (ZIS), among various semiconductor materials, shows considerable potential due to its simplicity, low cost, and environmental compatibility. However, the influence of precursor anions on ZIS properties remains uncle…
View article: Functionalized Thienopyrazines on NiOx Film as Self‐Assembled Monolayer for Efficient Tin‐Perovskite Solar Cells Using a Two‐Step Method
Functionalized Thienopyrazines on NiOx Film as Self‐Assembled Monolayer for Efficient Tin‐Perovskite Solar Cells Using a Two‐Step Method Open
Three functionalized thienopyrazines ( TP s), TP‐MN ( 1 ), TP‐CA ( 2 ), and TPT‐MN ( 3 ) were designed and synthesized as self‐assembled monolayers (SAMs) deposited on the NiOx film for tin‐perovskite solar cells (TPSCs). Thermal, optical,…
View article: Functionalized Thienopyrazines on NiOx Film as Self‐Assembled Monolayer for Efficient Tin‐Perovskite Solar Cells Using a Two‐Step Method
Functionalized Thienopyrazines on NiOx Film as Self‐Assembled Monolayer for Efficient Tin‐Perovskite Solar Cells Using a Two‐Step Method Open
Three functionalized thienopyrazines ( TP s), TP‐MN ( 1 ), TP‐CA ( 2 ), and TPT‐MN ( 3 ) were designed and synthesized as self‐assembled monolayers (SAMs) deposited on the NiOx film for tin‐perovskite solar cells (TPSCs). Thermal, optical,…
View article: Quadruple-Cation Wide-Bandgap Mixed-Halide Tin Perovskite Solar Cells
Quadruple-Cation Wide-Bandgap Mixed-Halide Tin Perovskite Solar Cells Open
Tin-based perovskite solar cells (TPSCs) are a promising alternative to the traditional lead-based PSCs for lead-free photovoltaic applications. To further promote the performance and stability, a tandem type of TPSC is an attractive direc…
View article: Dual-plasmonic Au@Cu7S4 yolk@shell nanocrystals for photocatalytic hydrogen production across visible to near infrared spectral region
Dual-plasmonic Au@Cu7S4 yolk@shell nanocrystals for photocatalytic hydrogen production across visible to near infrared spectral region Open
Near infrared energy remains untapped toward the maneuvering of entire solar spectrum harvesting for fulfilling the nuts and bolts of solar hydrogen production. We report the use of Au@Cu 7 S 4 yolk@shell nanocrystals as dual-plasmonic pho…
View article: Mitigating non-radiative decay losses in the Purcell effect at sub-10 nm nanostructure proximities
Mitigating non-radiative decay losses in the Purcell effect at sub-10 nm nanostructure proximities Open
Maximizing the Purcell effect by minimizing the gap between an emitter and plasmonic nanostructures is essential for significantly increasing the spontaneous emission rate of quantum emitters. However, the enhancement of the emission quant…
View article: Triphenylamine (TPA)‐Functionalized Structural Isomeric Polythiophenes as Dopant Free Hole‐Transporting Materials for Tin Perovskite Solar Cells
Triphenylamine (TPA)‐Functionalized Structural Isomeric Polythiophenes as Dopant Free Hole‐Transporting Materials for Tin Perovskite Solar Cells Open
A new series of triphenylamine (TPA)‐functionalized isomeric polythiophenes are developed as hole transporting materials (HTM) for inverted tin‐based perovskite solar cells (TPSCs). Bithiophene (BT) is first functionalized with two TPA (el…
View article: Effect of Acidic Strength of Surface Ligands on the Carrier Relaxation Dynamics of Hybrid Perovskite Nanocrystals
Effect of Acidic Strength of Surface Ligands on the Carrier Relaxation Dynamics of Hybrid Perovskite Nanocrystals Open
Perovskite nanocrystals (PeNCs) are known for their use in numerous optoelectronic applications. Surface ligands are critical for passivating surface defects to enhance the charge transport and photoluminescence quantum yields of the PeNCs…
View article: Dopant‐Free Pyrrolopyrrole‐Based (PPr) Polymeric Hole‐Transporting Materials for Efficient Tin‐Based Perovskite Solar Cells with Stability Over 6000 h
Dopant‐Free Pyrrolopyrrole‐Based (PPr) Polymeric Hole‐Transporting Materials for Efficient Tin‐Based Perovskite Solar Cells with Stability Over 6000 h Open
A new set of pyrrolopyrrole‐based (PPr) polymers incorporated with thioalkylated/alkylated bithiophene (SBT/BT) is synthesized and explored as hole‐transporting materials (HTMs) for Sn‐based perovskite solar cells (TPSCs). Three bithiophen…
View article: Expression of concern: Optimization of a compact layer of TiO<sub>2</sub><i>via</i> atomic-layer deposition for high-performance perovskite solar cells
Expression of concern: Optimization of a compact layer of TiO<sub>2</sub><i>via</i> atomic-layer deposition for high-performance perovskite solar cells Open
Expression of concern for ‘Optimization of a compact layer of TiO 2 via atomic-layer deposition for high-performance perovskite solar cells’ by Ahmed Esmail Shalan et al. , Sustainable Energy Fuels , 2017, 1 , 1533–1540, https://doi.org/10…