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Single-layer molybdenum disulfide ($MoS_2$) possesses significant potential for nanoscale optoelectronics, but achieving high-intensity, long-term-stable photoluminescence (PL) emission remains a challenge. In this work, we demonstrate a…

Recently, significant progress in the development of III-V/Si dual-junction solar cells has been achieved. This not only boosts the efficiency of Si-based photovoltaic solar cells, but also offers the possibility of highly efficient green…

As an essential attribute of organic compounds, polarity has a profound influence on many molecular properties such as solubility and phase transition temperature. Thin layer chromatography (TLC) represents a commonly used technique for…

Elemental selenium is a promising wide-bandgap ($E_\mathrm{G}\approx$ 1.95 eV) photovoltaic material for the next generation of thin-film solar cells. To realize high-efficiency selenium solar cells, it is crucial to optimize the…

For the first time, we propose a general design method for ultra-long optical path length (OPL) multipass matrix cells (MMCs) based on multi-cycle mode of two-sided field mirrors. The design idea of the dual circulation mode with two-sided…

Optics · Physics 2025-01-22 Yiyun Gai , Wenjin Li , Kaihao Yi , Xue Ou , Peng Liu , Xin Zhou

Organic solar cells (OSCs) have received a special attention over the past years due to their solution processability, low cost, flexibility and capability of role-to-role production. The power conversion efficiency of these devices has…

Applied Physics · Physics 2020-08-19 Fahmi F. Muhammadsharif

The design and fabrication of a metal-dielectric-metal absorber that achieves strong absorption from the ultraviolet (UV) to the near-infrared (near-IR) spectrum are presented. The proposed nanostructure consists of a periodic titanium (Ti)…

Optics · Physics 2025-06-23 Partha Mondal , Omar Alkhazragi , Hakan Bagci

The optical and electrical properties of optically-thin one-dimensional (1D) Ag nanogratings and two-dimensional (2D) Ag nanogrids are studied, and their use as transparent electrodes in organic photovoltaics are explored. A large broadband…

Optics · Physics 2014-12-11 Beibei Zeng , Zakya H. Kafafi , Filbert J. Bartoli

There are worldwide efforts to maximize the energy saving achieved by VO$_2$-based thermochromic coatings. In particular, there are very different values of the modulation of integral solar energy transmittance, reported by various…

Applied Physics · Physics 2024-06-11 Jiri Houska

A coupled optoelectronic model was implemented along with the differential evolution algorithm to assess the efficacy of grading the bandgap of the CZTSSe layer for enhancing the power conversion efficiency of thin-film CZTSSe solar cells.…

Applied Physics · Physics 2020-04-07 Faiz Ahmad , Akhlesh Lakhtakia , Tom H. Anderson , Peter B. Monk

A novel electronic film solar energy concentrator with embedded micro-mirrors that track the sun is described. The potential viability of this new concept is presented. Due to miniaturization, the amount of material needed for the optical…

General Physics · Physics 2007-05-23 Mario Rabinowitz , Mark Davidson

In this work is comprising of simulation results of amorphous Si (a-Si) solar cell, in which ITO was used as an anti-reflection coating (ARC). The thickness of ITO was optimized (65 nm) to achieve better performance for spectral region of…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Sandipta Roy , Arnab Pattanayak , Siddartha P. Duttagupta

Advancing autonomous green technologies in solar photovoltaic (PV) systems is key to improving sustainability and efficiency in renewable energy production. This study presents a reinforcement learning (RL)-based framework to autonomously…

Machine Learning · Computer Science 2026-03-10 Heungjo An

Transient photovoltage (TPV) is a technique frequently used to determine charge carrier lifetimes in thin-film solar cells such as organic, dye sensitized and perovskite solar cells. As this lifetime is often incident light intensity…

Applied Physics · Physics 2019-08-06 Oskar J. Sandberg , Kristofer Tvingstedt , Paul Meredith , Ardalan Armin

Antireflection coatings are an interesting challenge for multijunction solar cells due to their broadband spectrum absorption and the requirement of current matching of each subcell. A new design for multijunction solar cell antireflection…

Applied Physics · Physics 2021-01-19 GuoJiao Hou , Iván García , Ignacio Rey-Stolle

The electrical and optoelectronic properties of transition-metal dichalcogenides (TMDs), such as MoS2, are highly dependent on carrier doping and layer thickness. The ability to selectively control these two critical characteristics is of…

Materials Science · Physics 2023-01-26 Lei Zhang , Kun Liu , Fanyi Kong , Xue Han , Jianxun Dai , Mengmeng Wang , Changsen Sun , Huolin Huang , Lujun Pan , Dawei Li

Perovskite solar cells (PSCs) are the fastest-growing photovoltaic (PV) technology in the solar cell community and have reached an efficiency close to that of commercial silicon (Si) solar cells. The organic-inorganic halide perovskite…

Materials Science · Physics 2024-11-28 Kashimul Hossain

Poly(ethylene terephthalate) (PET) films are widely used in flexible electronics and optoelectronics, where their mechanical durability and optical performance under strain are essential for device reliability. This study investigates the…

Applied Physics · Physics 2025-02-17 Mahya Ghorab , Ayush K. Ranga , Patrice Donfack , Arnulf Materny , Veit Wagner , Mojtaba Joodaki

Organic light-emitting transistors (OLETs) are multifunctional optoelectronic devices that combine in a single structure the advantages of organic light emitting diodes (OLEDs) and organic field-effect transistors (OFETs). However, low…

A prevailing approach for learning visuomotor policies is to employ reinforcement learning to map high-dimensional visual observations directly to action commands. However, the combination of high-dimensional visual inputs and agile…

Robotics · Computer Science 2025-10-08 Yuhang Zhang , Jiaping Xiao , Chao Yan , Mir Feroskhan