Sequential deposition of hybrid halide perovskite starting both from lead iodide and lead chloride on the most widely employed substrates

2018 ◽  
Vol 657 ◽  
pp. 110-117 ◽  
Author(s):  
Vanira Trifiletti ◽  
Alessandro Cannavale ◽  
Andrea Listorti ◽  
Aurora Rizzo ◽  
Silvia Colella
Keyword(s):  
Lead Chloride ◽  
Lead Iodide ◽  
Sequential Deposition ◽  
Halide Perovskite

Cs incorporation via sequential deposition for stable and scalable organometal halide perovskite solar cells

2022 ◽  
Vol 520 ◽  
pp. 230783
Author(s):  
Dae Woo Kim ◽  
Eui Dae Jung ◽  
Chung Hyeon Jang ◽  
Ji A. Hong ◽  
Hye Seung Kim ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Sequential Deposition ◽  
Organometal Halide Perovskite ◽  
Halide Perovskite

scholarly journals Ultra-broadband optical amplification at telecommunication wavelengths achieved by bismuth-activated lead iodide perovskites

2017 ◽  
Vol 5 (10) ◽  
pp. 2591-2596 ◽  
Author(s):  
Yang Zhou ◽  
Zi-Jun Yong ◽  
Wei Zhang ◽  
Ju-Ping Ma ◽  
Aditya Sadhanala ◽  
...  
Keyword(s):  
Band Gaps ◽  
Lead Iodide ◽  
Inherent Limitation ◽  
Optical Amplification ◽  
Halide Perovskite

It is extremely difficult to achieve hybrid halide perovskite semiconductors with luminescence at wavelengths longer than 1.0 μm, because of the inherent limitation of their band gaps.

scholarly journals Controlled Deposition of Lead Iodide and Lead Chloride Thin Films by Low-Pressure Chemical Vapor Deposition

Coatings ◽  
2020 ◽  
Vol 10 (12) ◽  
pp. 1208
Author(s):  
Siphelo Ngqoloda ◽  
Christopher J. Arendse ◽  
Theophillus F. Muller ◽  
Siphesihle S. Magubane ◽  
Clive J. Oliphant
Keyword(s):  
Thin Films ◽  
Vapor Deposition ◽  
Chemical Vapor ◽  
Low Pressure ◽  
Lead Chloride ◽  
Lead Iodide ◽  
Cvd Method ◽  
Average Grain Size ◽  
Pressure Chemical ◽  
Lead Halide

Lead halide thin films, such as lead iodide (PbI2) and lead chloride (PbCl2), are used as precursor films for perovskite preparation, which is frequently achieved by vacuum thermal evaporation but rarely by the low-pressure chemical vapor deposition (CVD) method. Here, we report on the deposition of PbI2 and PbCl2 thin films on glass substrates by employing the low-pressure CVD method. The effect of the substrate temperature on the structure and morphology of the lead halide films is investigated. Crystalline films were realized for both lead halides, with PbI2 films showing high texture compared to the reduced texture of the PbCl2 films. Large lateral grain sizes were observed for the PbI2 films with a flat platelet grain morphology and an average grain size up to 734.2 ± 144.8 nm. PbCl2 films have columnar grains with an average grain size up to 386.7 ± 119.5 nm. The PbI2 films showed a band gap of about 2.4 eV, confirming its semiconducting properties, and the PbCl2 had a wide band gap of 4.3 eV, which shows the insulating properties of this material.

Many-body interactions in photo-excited lead iodide perovskite

2015 ◽  
Vol 3 (17) ◽  
pp. 9285-9290 ◽  
Author(s):  
M. Tuan Trinh ◽  
Xiaoxi Wu ◽  
Daniel Niesner ◽  
X.-Y. Zhu
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Semiconductor Material ◽  
Thin Film Solar Cells ◽  
Many Body ◽  
Lead Iodide ◽  
Halide Perovskite ◽  
Many Body Interactions ◽  
Lead Halide

Lead halide perovskite is emerging as a promising semiconductor material for thin film solar cells.

Enhanced amplified spontaneous emission from morphology-controlled organic–inorganic halide perovskite films

RSC Advances ◽  
2015 ◽  
Vol 5 (125) ◽  
pp. 103674-103679 ◽  
Author(s):  
Liang Qin ◽  
Longfeng Lv ◽  
Yu Ning ◽  
Chunhai Li ◽  
Qipeng Lu ◽  
...  
Keyword(s):  
Spontaneous Emission ◽  
Amplified Spontaneous Emission ◽  
Deposition Process ◽  
Solvent Mixtures ◽  
Sequential Deposition ◽  
Halide Perovskite

Perovskite films with well-controlled crystallinity and morphology in a modified sequential deposition process by using solvent mixtures, involving DMF and DMSO, exhibit excellent ASE performances with threshold of 54.10 μJ cm−2 and FWHM of 8.16 nm.

scholarly journals The Influence of Oxygen Plasma on Methylammonium Lead Iodide (MAPbI3) Film Doped with Lead Cesium Triiodide (CsPbI3)

Molecules ◽  
2021 ◽  
Vol 26 (17) ◽  
pp. 5133
Author(s):  
Shui-Yang Lien ◽  
Chi-Wei Wang ◽  
Wen-Ray Chen ◽  
Chuan-Hsi Liu ◽  
Chih-Chieh Kang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Oxygen Plasma ◽  
Surface Defects ◽  
Power Conversion ◽  
Lead Iodide ◽  
Halide Perovskite ◽  
Significant Line ◽  
Methylammonium Lead Iodide

In recent years, the study of organic–inorganic halide perovskite as an optoelectronics material has been a significant line of research, and the power conversion efficiency of solar cells based on these materials has reached 25.5%. However, defects on the surface of the film are still a problem to be solved, and oxygen plasma is one of the ways to passivate surface defects. In order to avoid destroying the methylammonium lead iodide (MAPbI3), the influence of plasma powers on film was investigated and the cesium triiodide (CsPbI3) quantum dots (QDs) were doped into the film. In addition, it was found that oxygen plasma can enhance the mobility and carrier concentration of the MAPbI3 film.

scholarly journals Molecular Dynamics Simulations of Two-Step Process Enable Room-Temperature Synthesis of α-FAPbI3

2020 ◽  
Author(s):  
Paramvir Ahlawat ◽  
Haizhou Lu ◽  
Amita Ummadisingu ◽  
Haiyang Niu ◽  
Michele Invernizzi ◽  
...  
Keyword(s):  
Room Temperature ◽  
Solid Phase ◽  
Perovskite Solar Cells ◽  
X Ray Diffraction ◽  
Lead Iodide ◽  
Sequential Deposition ◽  
Solid Phase Transition ◽  
Dynamics Simulations ◽  
Methylammonium Lead Iodide ◽  
Temperature Crystallization

It is well established that the lack of understanding the crystallization process in two-step sequential deposition has a direct impact on efficiency, stability and reproducibility of perovskite solar cells. Here, we try to understand the solid-solid phase transition occuring during two-step sequential deposition of methylammonium lead iodide and formamidinium lead iodide. Using metadynamics, X-ray diffraction and Raman spectroscopy, we reveal the microscopic details of this process. We find that the formation of perovskite proceeds through intermediate structures and report polymorphs found for methylammonium lead iodide and formamidinium lead iodide. From simulations, we discover a possible crystallization pathway for the highly efficient metastable α-phase of formamidinium lead iodide. Guided by these simulations, we perform experiments that results in the room temperature crystallization of α-formamidinium lead iodide.

Electronic implications of organic nitrogen lone pairs in lead iodide perovskites

2018 ◽  
Vol 6 (17) ◽  
pp. 4765-4768 ◽  
Author(s):  
Thomas W. Kasel ◽  
Christopher H. Hendon
Keyword(s):  
Valence Band ◽  
Organic Nitrogen ◽  
Lead Iodide ◽  
Lone Pairs ◽  
Halide Perovskite

Nitrogen lone pairs unfavorably contribute to the valence band in hybrid halide perovskite architectures.

Atomic-scale Insight into Enhanced Surface Stability of Methylammonium Lead Iodide Perovskite by Controlled Deposition of Lead Chloride

2021 ◽  
Author(s):  
Afshan Jamshaid ◽  
Zhendong Guo ◽  
Jeremy Hieulle ◽  
Collin Stecker ◽  
Robin Ohmann ◽  
...  
Keyword(s):  
Electronic Properties ◽  
Atomic Scale ◽  
Lead Chloride ◽  
Lead Iodide ◽  
Surface Stability ◽  
Structural And Electronic Properties ◽  
Controlled Deposition ◽  
Methylammonium Lead Iodide ◽  
Enhanced Surface ◽  
Insight Into

Incorporation of a certain amount of Cl ions into methylammonium lead iodide (MAPbI3) perovskite films and how these incorporated Cl ions affect the structural and electronic properties of these films...

Sign in / Sign up

Export Citation Format

Share Document