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Thanks to their excellent properties of low cost, lightweight, portability, and conformity, flexible perovskite-based tandem solar cells show great potentials for energy harvesting applications, with flexible perovskite/c-silicon tandem…

We outline the design for a photonic crystal resonator made in a hybrid Silicon/Lithium Niobate material system. Using the index contrast between silicon and lithium niobate, it is possible to guide and confine photonic resonances in a thin…

Optics · Physics 2016-04-20 Jeremy D. Witmer , Jeff T. Hill , Amir H. Safavi-Naeini

Organometallic halide perovskites have garnered considerable attention in recent times due to their promising optoelectronic attributes, particularly within the realm of solar photovoltaics (PV). How perovskite films form is of utmost…

The scalability of highly efficient organic-inorganic perovskite solar cells (PSCs) is one of the remaining challenges of solar module manufacturing. Various scalable methods have been explored to strive for uniform perovskite films of high…

Applied Physics · Physics 2022-07-19 Severin Siegrist , Shih-Chi Yang , Evgeniia Gilshtein , Xiaoxiao Sun , Ayodhya N. Tiwari , Fan Fu

Light-emitting diodes based on perovskite nanocrystals (PNCs-LEDs) have gained great interest for next-generation display and lighting technologies prized for their color purity, high brightness and luminous efficiency approaching the…

In the previous decade, there has been a significant advancement in the performance of perovskite solar cells (PSCs), characterized by a notable increase in efficiency from 3.8% to 25%. Nonetheless, PSCs face many problems when we…

The power conversion efficiency of photovoltaic devices based on semiconductor perovskites has reached ~20% after just several years of research efforts. With concomitant discoveries of other promising applications in lasers, light-emitting…

In this perspective, we explore the insights into the device physics of perovskite solar cells gained from modeling and simulation of these devices. We discuss a range of factors that influence the modeling of perovskite solar cells,…

Applied Physics · Physics 2020-08-04 Nir Tessler , Yana Vaynzof

Hybrid organic-inorganic halide perovskites with the prototype material of CH$_{3}$NH$_{3}$PbI$_{3}$ have recently attracted intense interest as low-cost and high-performance photovoltaic absorbers. Despite the high power conversion…

Materials Science · Physics 2017-05-30 Xin-Gang Zhao , Ji-Hui Yang , Yuhao Fu , Dongwen Yang , Qiaoling Xu , Liping Yu , Su-Huai Wei , Lijun Zhang

Organic-inorganic perovskite solar cells have attracted tremendous attention because of their remarkably high power conversion efficiencies (PCEs). To further improve the device performance, however, it is imperative to obtain fundamental…

Materials Science · Physics 2018-02-07 Zhaodong Chu , Mengjin Yang , Philip Schulz , Di Wu , Xin Ma , Edward Seifert , Liuyang Sun , Kai Zhu , Xiaoqin Li , Keji Lai

Halide perovskite solar cells (PSCs) offer high efficiency and low costs, making them key for future photovoltaics. Optimizing charge transport layers is crucial, with porous TiO$_2$ widely used as electron transport layers (ETL) due to its…

Nanoscale dielectric resonators and quantum-confined semiconductors have enabled unprecedented control over light absorption and excited charges, respectively. In this work, we embed luminescent silicon nanocrystals (Si-NCs) into a 2D array…

Mesoscale and Nanoscale Physics · Physics 2017-08-23 Antonio Capretti , Arnon Lesage , Tom Gregorkiewicz

Physical reservoir computing is a promising framework for efficient neuromorphic in and near-sensor computing applications. Here, we demonstrate a multimodal optoelectronic reservoir network based on halide perovskite semiconductor devices,…

Materials Science · Physics 2025-08-28 Jeroen J. de Boer , Agustin O. Alvarez , Moritz C. Schmidt , Bruno Ehrler

The endeavor of the scientific community to maximize the possibility to harvest Sun irradiation for energy production is mainly devoted to the improvement of the power conversion efficiency of devices and to the extension of the spectral…

Mesoscale and Nanoscale Physics · Physics 2021-04-15 Fabio Marangi , Matteo Lombardo , Andrea Villa , Francesco Scotognella

Simulations of metal nanopatterns embedded in a thin photovoltaic absorber show significantly enhanced absorbance within the semiconductor, with a more than 300% increase for {\lambda} = 800 nm. Integrating with AM1.5 solar irradiation,…

Mesoscale and Nanoscale Physics · Physics 2012-08-23 Fan Ye , Michael J. Burns , Michael J. Naughton

Halide perovskites have remarkable properties for relatively crudely processed semiconductors, including large optical absorption coefficients and long charge carrier lifetimes. Thanks to such properties, these materials are now competing…

Applied Physics · Physics 2019-12-03 Géraud Delport , Stuart Macpherson , Samuel D. Stranks

Quasi two-dimensional (2D) colloidal synthesis made quantum confinement readily accessible in perovskites, generating additional momentum in perovskite LED research and lasing. Ultrathin perovskite layers exhibit high exciton binding…

Materials Science · Physics 2024-09-04 André Niebur , Eugen Klein , Rostyslav Lesyuk , Christian Klinke , Jannika Lauth

We present a solvothermal synthetic route to produce monodispersed CuO nanoparticles (NPs) in the range of 5-10 nm that can be used as hole selective interfacial layer between indium tin oxide (ITO) and perovskite active layer for p-i-n…

Metal-halide perovskites (MHPs) have exciting optoelectronic properties and are under investigation for various applications, such as photovoltaics, light-emitting diodes, and lasers. An essential step towards exploiting the full potential…

The stability of perovskite solar cells is closely related to the defects in perovskite crystals, and there are a large number of crystal defects in the perovskite thin films prepared by the solution method, which is not conducive to the…

Materials Science · Physics 2024-05-03 Xianhu Wu , Jieyu Bi , Guanglei Cui , Nian Liu , Gaojie Xia , Ping Li , Chunyi Zhao , Zewen Zuo , Min Gu