Soft Phononic Crystal with Tunable Bandgap Through Pneumatic Actuation
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Engineering Materials"
DOI: 10.1002/adem.202401913
Abstract: Pneumatic manipulation has the advantages of low cost, lightweight design, fast response, and ease of integration. However, its application in the field of phononic crystals remains limited. Inspired by pneumatic soft robots, this article proposes… read more here.
Keywords: crystal; soft phononic; pneumatic soft; crystal tunable ... See more keywords
2D/3D Heterostructure for Semitransparent Perovskite Solar Cells with Engineered Bandgap Enables Efficiencies Exceeding 25% in Four‐Terminal Tandems with Silicon and CIGS
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201909919
Abstract: Wide-bandgap perovskite solar cells (PSCs) with optimal bandgap (E$_{g}$) and high power conversion efficiency (PCE) are key to high-performance perovskite-based tandem photovoltaics. A 2D/3D perovskite heterostructure passivation is employed for double-cation wide-bandgap PSCs with engineered… read more here.
Keywords: bandgap; perovskite solar; four terminal; engineered bandgap ... See more keywords
Bi‐Ligand Synergy Enables Threshold Low Voltage and Bandgap Stable Pure‐Red Mix‐Halide Perovskite LEDs
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202310697
Abstract: Perovskite light‐emitting diodes (LEDs) emitting in the pure‐red range of 630–640 nm show promise in meeting the requirement of the Rec.2100 standard for high‐resolution displays. However, the high‐performing LEDs (external quantum efficiency, EQE >20%) in… read more here.
Keywords: ligand synergy; pure; pure red; voltage ... See more keywords
Enhancing Efficiency and Intrinsic Stability of Large‐Area Blade‐Coated Wide‐Bandgap Perovskite Solar Cells Through Strain Release
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202314349
Abstract: The realization of efficient large‐area perovskite solar cells stands as a pivotal milestone for propelling their future commercial viability. However, the upscaling fabrication of perovskite solar cells is hampered by efficiency losses, and the underlying… read more here.
Keywords: large area; efficiency; solar cells; bandgap ... See more keywords
Ferroelectricity and Interfacial Engineering in Low‐Bandgap Ag0.9K0.1NbO3: Achieving Robust Coexistence of Piezo/Pyro/Photovoltaic Effects for Multimodal Tactile Sensing
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202508001
Abstract: Ferroelectric oxides inherently exhibit piezoelectric, pyroelectric, and photovoltaic properties, enabling multi‐sensing capabilities within a single material, a critical advantage for next‐generation smart sensing devices. However, the intrinsic trade‐off between maintaining robust ferroelectric polarization and achieving… read more here.
Keywords: 9k0 1nbo3; photovoltaic; bandgap; coexistence ... See more keywords
Efficient Nonfullerene Polymer Solar Cells Enabled by a Novel Wide Bandgap Small Molecular Acceptor.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201606054
Abstract: A wide bandgap small molecular acceptor, SFBRCN, containing a 3D spirobifluorene core flaked with a 2,1,3-benzothiadiazole (BT) and end-capped with highly electron-deficient (3-ethylhexyl-4-oxothiazolidine-2-yl)dimalononitrile (RCN) units, has been successfully synthesized as a small molecular acceptor (SMA)… read more here.
Keywords: bandgap; wide bandgap; polymer; small molecular ... See more keywords
A Game Changer: A Multifunctional Perovskite Exhibiting Giant Ferroelectricity and Narrow Bandgap with Potential Application in a Truly Monolithic Multienergy Harvester or Sensor.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201700767
Abstract: An ABO3 -type perovskite solid-solution, (K0.5 Na0.5 )NbO3 (KNN) doped with 2 mol% Ba(Ni0.5 Nb0.5 )O3-δ (BNNO) is reported. Such a composition yields a much narrower bandgap (≈1.6 eV) compared to the parental composition-pure KNN-and… read more here.
Keywords: bandgap; game changer; energy; narrow bandgap ... See more keywords
Realizing Over 13% Efficiency in Green-Solvent-Processed Nonfullerene Organic Solar Cells Enabled by 1,3,4-Thiadiazole-Based Wide-Bandgap Copolymers.
Sign Up to like & getrecommendations! Published in 2018 at "Advanced materials"
DOI: 10.1002/adma.201703973
Abstract: Two novel wide-bandgap copolymers, PBDT-TDZ and PBDTS-TDZ, are developed based on 1,3,4-thiadiazole (TDZ) and benzo[1,2-b:4,5-b']dithiophene (BDT) building blocks. These copolymers exhibit wide bandgaps over 2.07 eV and low-lying highest occupied molecular orbital (HOMO) levels below… read more here.
Keywords: organic solar; bandgap; wide bandgap; tdz ... See more keywords
Amide-Catalyzed Phase-Selective Crystallization Reduces Defect Density in Wide-Bandgap Perovskites.
Sign Up to like & getrecommendations! Published in 2018 at "Advanced materials"
DOI: 10.1002/adma.201706275
Abstract: Wide-bandgap (WBG) formamidinium-cesium (FA-Cs) lead iodide-bromide mixed perovskites are promising materials for front cells well-matched with crystalline silicon to form tandem solar cells. They offer avenues to augment the performance of widely deployed commercial solar… read more here.
Keywords: bandgap; phase; wide bandgap; crystallization ... See more keywords
Enabling High-Performance Tandem Organic Photovoltaic Cells by Balancing the Front and Rear Subcells.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.202002315
Abstract: In tandem organic photovoltaics, the front subcell is based on large-bandgap materials, whereas the case of the rear subcell is more complicated. The rear subcell is generally composed of a narrow-bandgap acceptor for infrared absorption… read more here.
Keywords: subcell; bandgap; rear subcell; tandem organic ... See more keywords
Regioregular Narrow-Bandgap n-Type Polymers with High Electron Mobility Enabling Highly Efficient All-Polymer Solar Cells.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202102635
Abstract: Narrow-bandgap n-type polymers with high electron mobility are urgently demanded for the development of all-polymer solar cells (all-PSCs). Here, two regioregular narrow-bandgap polymer acceptors, L15 and MBTI, with two electron-deficient segments are synthesized by copolymerizing… read more here.
Keywords: bandgap; polymer; high electron; narrow bandgap ... See more keywords