Results 31 to 40 of about 267 (145)

Advancing Energy Materials by In Situ Atomic Scale Methods

open access: yesAdvanced Energy Materials, Volume 15, Issue 11, March 18, 2025.
Progress in in situ atomic scale methods leads to an improved understanding of new and advanced energy materials, where a local understanding of complex, inhomogeneous systems or interfaces down to the atomic scale and quantum level is required. Topics from photovoltaics, dissipation losses, phase transitions, and chemical energy conversion are ...
Christian Jooss   +21 more
wiley   +1 more source

InGaP/GaAs/InGaAs Multijunction Flexible Photovoltaics With Chemical Robustness and Radiation Hardness for Unassisted Electrocatalysis and Space Applications

open access: yesAdvanced Energy Materials, EarlyView.
A flexible InGaP/GaAs/InGaAs triple‐junction platform encapsulated with ultrathin glass enables unassisted electrocatalysis and space applications by providing robust protection against chemically aggressive and radiation‐rich environments. This work establishes a unified III–V multijunction photovoltaic platform that bridges space photovoltaics and ...
Sukkyu Hong   +10 more
wiley   +1 more source

Synthetic Surface Design of Transparent Electrodes for Enhanced Molecular Contact in Perovskite Solar Cells

open access: yesAdvanced Energy Materials, EarlyView.
A simple solution‐based ITO surface treatment unlocks the full potential of phosphonic‐acid SAMs by balancing surface hydroxylation, conductivity, and homogeneity. Moderately hydroxylated interfaces yield uniform, electronically favourable contacts, enhancing charge extraction, stability, and thermal‐cycling resilience, with broad applicability across ...
Rik Hooijer   +18 more
wiley   +1 more source

Structure‐Function Tailoring of Plasmonic Nanomaterials for Thin‐Film Photovoltaics

open access: yesCarbon Energy, EarlyView.
This review discusses the mechanisms and recent advancements of plasmonics in achieving effective light management to enhance the performance of thin‐film solar cells. It highlights applications in high‐performance perovskite solar cells and future‐oriented tandem solar cells.
Sen Jiang   +14 more
wiley   +1 more source

Optimized III-V Multijunction Concentrator Solar Cells on Patterned Si and Ge Substrates: Final Technical Report, 15 September 2004--30 September 2006 [PDF]

open access: yes, 2008
Goal is to demo realistic path to III-V multijunction concentrator efficiencies > 40% by substrate-engineering combining compositional grading with patterned epitaxy for small-area cells for high ...
Ringel, S. A.
core   +2 more sources

Two‐Dimensional Piezoelectric Nanomaterials for Nanoelectronics and Energy Harvesting

open access: yesENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 3, May 2026.
Two‐Dimensional Piezoelectric Nanomaterials from properties to applications. Smart materials, especially piezoelectric materials, have gained popularity over the last two decades. Two‐dimensional (2D) piezoelectric materials exhibit attributes including great flexibility, ease of workability, extensive surface area, and many active sites, indicating ...
Yujun Cao   +12 more
wiley   +1 more source

Achieving 27.7% Efficiency with a Mechanically Stacked, Four‐Terminal Perovskite/InGaAsP Tandem Solar Cell

open access: yesSmall Science, Volume 6, Issue 5, May 2026.
A low‐bandgap InGaAsP heterojunction solar cell is demonstrated, achieving 19% efficiency via interface‐engineered InP passivation and TiO2 electron‐selective contact. Integrated into a mechanically stacked perovskite/III–V tandem, it delivers 27.7% efficiency.
Bikesh Gupta   +8 more
wiley   +1 more source

On the Interplay Between Microstructure and Interfaces in High-Efficiency Microcrystalline Silicon Solar Cells [PDF]

open access: yes, 2012
This paper gives new insights into the role of both the microstructure and the interfaces in microcrystalline silicon (μc- Si) single-junction solar cells. A 3-D tomographic reconstruction of a μc-Si solar cell reveals the 2-D nature of the porous zones,
Alexander, Duncan T. L.   +13 more
core   +4 more sources

Progress Towards III-V Photovoltaics on Flexible Substrates [PDF]

open access: yes, 2008
Presented here is the recent progress of the NASA Glenn Research Center OMVPE group's efforts in the development of high efficiency thin-film polycrystalline III-V photovoltaics on optimum substrates.
Bailey, Christopher G.   +8 more
core   +1 more source

Highly Transparent BiEDOT‐Based Conducting Polymers as Tailorable Hole Transport Materials for Perovskite Solar Cells

open access: yesSmall Structures, Volume 7, Issue 5, May 2026.
In situ polymerization of BiEDOT within a PMMA matrix produces a highly transparent conducting polymer network that functions as a tunable hole‐transport material, improving interfacial energetics and photovoltaic performance in p–i–n perovskite solar cells.
Noemí Farinós‐Navajas   +10 more
wiley   +1 more source

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