A5051649203- Perovskite Materials and Applications
- Conducting polymers and applications
- Chalcogenide Semiconductor Thin Films
- Quantum Dots Synthesis And Properties
- Organic Electronics and Photovoltaics
- Solid-state spectroscopy and crystallography
- Organic Light-Emitting Diodes Research
- Fullerene Chemistry and Applications
- Thermal Expansion and Ionic Conductivity
- Organic and Molecular Conductors Research
- Optical properties and cooling technologies in crystalline materials
- 2D Materials and Applications
- Luminescence and Fluorescent Materials
- Advanced battery technologies research
- Thin-Film Transistor Technologies
- Ga2O3 and related materials
- Advancements in Solid Oxide Fuel Cells
- Semiconductor materials and interfaces
- Synthesis and Properties of Aromatic Compounds
- Nonlinear Optical Materials Research
- Marine and coastal plant biology
- Microfluidic and Capillary Electrophoresis Applications
- Magnetic and transport properties of perovskites and related materials
- Lanthanide and Transition Metal Complexes
- Characterization and Applications of Magnetic Nanoparticles
National Center for Nanoscience and Technology
2015-2024
University of Chinese Academy of Sciences
2014-2024
Jianghan University
2022-2023
Institute of Semiconductors
2022-2023
Chinese Academy of Sciences
2022-2023
CSIRO Manufacturing
2018-2022
Clayton Foundation
2021
Commonwealth Scientific and Industrial Research Organisation
2018-2019
Health Sciences and Nutrition
2018
Center for NanoScience
2014
Organolead halide perovskite materials possess a combination of remarkable optoelectronic properties, such as steep optical absorption edge and high coefficients, long charge carrier diffusion lengths lifetimes. Taken together with the ability for low temperature preparation, also from solution, perovskite-based devices, especially photovoltaic (PV) cells have been studied intensively, progress in performance, over past few years. The efficiency, cost additional (non-PV) applications...
Solution-processed Cu2O and CuO are used as hole transport materials in perovskite solar cells. The cells show significantly enhanced open circuit voltage V oc, short-circuit current J sc, power conversion efficiency (PCE) compared with PEDOT A PCE of 13.35% good stability achieved for cells, making a promising material further application As service to our authors readers, this journal provides supporting information supplied by the authors. Such peer reviewed may be re-organized online...
CH 3 NH PbI /PC 61 BM solar cells fabricated using the 4 Cl additive gave a decent PCE of 9.93% and very outstanding FF 80.11%.
An electrically modulated single-/dual-color imaging photodetector with fast response speed is developed based on a small molecule (COi 8DFIC)/perovskite (CH3 NH3 PbBr3 ) hybrid film. Owing to the type-I heterojunction, device can facilely transform dual-color images single-color by applying bias voltage. The exhibits two distinct cut-off wavelengths at ≈544 nm (visible region) and ≈920 (near-infrared region), respectively, without any power supply. Its peak responsivities are 0.16 A W-1...
Abstract A family of perovskite light absorbers (NH 4 ) 3 Sb 2 I x Br 9− (0≤ ≤9) was prepared. These materials show good solubility in ethanol, a low‐cost, hypotoxic, and environmentally friendly solvent. The absorption films can be tuned by adjusting content. onset for changes from 558 nm to 453 as 9 0. single crystals were prepared, exhibiting hole mobility 4.8 cm V −1 s an electron 12.3 . solar cells gave open‐circuit voltage 1.03 power conversion efficiency 0.51 %.
The work functions for charge transport layers in perovskite solar cells affect device performance significantly. In this work, the regular poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) is modified by adding a polymer electrolyte PSS‐Na to improve its HTL function cells. PEDOT:PSS films (called m‐PEDOT:PSS) possess higher than one. Its energy level matches valence band of very well, leading enhanced V oc and PCE (power conversion efficiency). When CH 3 NH PbI used as...
Abstract 2D organic–inorganic hybrid Ruddlesden–Popper perovskites have emerged recently as candidates for the light‐absorbing layer in solar cell technology due largely to their impressive operational stability compared with 3D‐perovskite counterparts. The methods reported date preparation of efficient perovksite layers cells involve a nonscalable spin‐coating step. In this work, facile, spin‐coating‐free, directly scalable drop‐cast method is depositing precursor solutions that...
Abstract High‐efficiency perovskite solar cells (PSCs) and organic (OSCs) are promising alternatives for silicon‐based cells. At present, the key point commercialization of PSCs OSCs is realizing large‐scale production while maintaining same high efficiency as small‐area ones. In this review, blade‐coating method preparing large‐area films introduced first recent advances blade‐coated summarized. Then, effects blading parameters on crystal growth film formation light‐harvesting materials...
The buried interface of the perovskite layer has a profound influence on its film morphology, defect formation, and aging resistance from outset, therefore, significantly affects quality device performance derived solar cells. Especially for FAPbI
Abstract Inorganic perovskite solar cells (PSCs) suffer from serious carrier recombination and open‐circuit voltage loss because of surface defects unfavorable energy level alignment. Herein, a polylactic acid (PLA) modification approach to improve the performance mixed‐halide inorganic perovskites is reported. First, are effectively passivated through strong interaction between C═O in PLA undercoordinated Pb 2+ . Second, secondary grain growth induced by modification, resulting larger...
Metal halide perovskite solar cell (PSC) has successfully distinguished itself in optoelectronic field by virtue of the sharp rise power conversion efficiency over past decade. The remarkable breakthrough at such a fast speed can be mainly attributed to comprehensive study on film deposition techniques, especially effective management surface and interfacial defects recent works. Herein, we summarized current trends performance enhancement for PSCs, with focus generally applicable strategies...
Abstract Perovskite (PVK) solar cells (PSCs) have garnered considerable research interest owing to their cost-effectiveness and high efficiency. A systematic annual review of the on PSCs is essential for gaining a comprehensive understanding current trends. Herein, analysis papers reporting key findings in 2023 was conducted. Based results, were categorized into six classifications, including regular n–i–p PSCs, inverted p–i–n PVK-based tandem cells, PVK modules, device stability, lead...
Abstract Heating‐assisted deposition is an industry‐friendly scalable method. This manufacturing method employed together with slot die coating to fabricate perovskite solar cells via a roll‐to‐roll process. The feasibility of the demonstrated after initial testing on rigid substrate using benchtop coater in air. fabricated exhibit power conversion efficiencies (PCEs) up 14.7%. A nonelectroactive polymer additive used formulation and found improve its humidity tolerance significantly. These...
Abstract A family of perovskite light absorbers (NH 4 ) 3 Sb 2 I x Br 9− (0≤ ≤9) was prepared. These materials show good solubility in ethanol, a low‐cost, hypotoxic, and environmentally friendly solvent. The absorption films can be tuned by adjusting content. onset for changes from 558 nm to 453 as 9 0. single crystals were prepared, exhibiting hole mobility 4.8 cm V −1 s an electron 12.3 . solar cells gave open‐circuit voltage 1.03 power conversion efficiency 0.51 %.
Implanting bulk heterojunctions into perovskite solar cells successfully pushes the photoresponse to 970 nm.
Abstract Drop‐casting was used to make MAPbI 3 films for solar cells. The crystal growth in drop‐cast regulated by adjusting temperature. A mechanism the formation of different morphology proposed combining situ crystal‐growth study with XRD measurements. crystals made at low temperature (60 °C) and high (≥120 are (110) (200) oriented, respectively. mode leads quite film morphology. Compared spin‐coating, drop‐casting shows much better tolerance humidity. cells under 88 % humidity delivered...
Abstract Introducing layered quasi-2D perovskite phases into a conventional 3D light-absorbing matrix is promising strategy for overcoming the limited environmental stability of solar cells. Here, we present simple drop-casting method preparing hybrid films comprising both and quasi-3D phases, formed using phenylethylammonium or iso-butylammonium as spacer cations. The film morphology, phase purity, crystal orientation quasi-2D/3D are improved significantly by applying N 2 blow-drying step,...