Rapid growth of high quality perovskite crystal by solvent mixing

CrystEngComm ◽  
2016 ◽  
Vol 18 (7) ◽  
pp. 1184-1189 ◽  
Author(s):  
Yangyang Zhou ◽  
Tiankai Zhang ◽  
Chunmei Li ◽  
Zhimin Liang ◽  
Li Gong ◽  
...  
Keyword(s):  
Formation Mechanism ◽  
Rapid Growth ◽  
Mixed Solvents ◽  
High Quality ◽  
Perovskite Crystal

The formation mechanism of perovskite crystal in different mixed solvents.

A review: crystal growth for high-performance all-inorganic perovskite solar cells

2020 ◽  
Vol 13 (7) ◽  
pp. 1971-1996 ◽  
Author(s):  
Weijie Chen ◽  
Xinqi Li ◽  
Yaowen Li ◽  
Yongfang Li
Keyword(s):  
Solar Cells ◽  
Crystal Growth ◽  
High Performance ◽  
Perovskite Solar Cells ◽  
Key Factors ◽  
High Quality ◽  
Inorganic Perovskite ◽  
Perovskite Crystal

The key factors for high-quality all-inorganic perovskite crystal growth.

scholarly journals Stoichiometric controls of mercury dilution by growth

2007 ◽  
Vol 104 (18) ◽  
pp. 7477-7482 ◽  
Author(s):  
Roxanne Karimi ◽  
Celia Y. Chen ◽  
Paul C. Pickhardt ◽  
Nicholas S. Fisher ◽  
Carol L. Folt
Keyword(s):  
Steady State ◽  
Rapid Growth ◽  
Daphnia Pulex ◽  
Somatic Growth ◽  
Aquatic Organisms ◽  
High Quality ◽  
Nutrient Quality ◽  
Ingestion Rates ◽  
Biokinetic Model ◽  
Ankistrodesmus Falcatus

Rapid growth could significantly reduce methylmercury (MeHg) concentrations in aquatic organisms by causing a greater than proportional gain in biomass relative to MeHg (somatic growth dilution). We hypothesized that rapid growth from the consumption of high-quality algae, defined by algal nutrient stoichiometry, reduces MeHg concentrations in zooplankton, a major source of MeHg for lake fish. Using a MeHg radiotracer, we measured changes in MeHg concentrations, growth and ingestion rates in juvenile Daphnia pulex fed either high (C:P = 139) or low-quality (C:P = 1317) algae (Ankistrodesmus falcatus) for 5 d. We estimated Daphnia steady-state MeHg concentrations, using a biokinetic model parameterized with experimental rates. Daphnia MeHg assimilation efficiencies (≈95%) and release rates (0.04 d−1) were unaffected by algal nutrient quality. However, Daphnia growth rate was 3.5 times greater when fed high-quality algae, resulting in pronounced somatic growth dilution. Steady-state MeHg concentrations in Daphnia that consumed high-quality algae were one-third those of Daphnia that consumed low-quality algae due to higher growth and slightly lower ingestion rates. Our findings show that rapid growth from high-quality food consumption can significantly reduce the accumulation and trophic transfer of MeHg in freshwater food webs.

scholarly journals Transition, not revolution

2018 ◽  
Author(s):  
Mikhail Popov ◽  
Claudia Heidrich ◽  
Andrew Shore
Keyword(s):  
Open Access ◽  
Rapid Growth ◽  
Hybrid Models ◽  
Extra Cost ◽  
Free Access ◽  
High Quality ◽  
Quality Work ◽  
Broad Scope ◽  
High Quality Journal ◽  
Transition Models

Watch the VIDEO.This presentation is aiming to discuss the effects of conversion of a journal to OA and suggests that this is likely to cause a loss of authorship of the journal. Further, we conclude that transitioning to OA via hybrid models is a more sustainable approach than flipping all journals to OA at once.As an example we use RSC Advances – a high quality journal in multidisciplinary chemistry published by RSC.Since launch in 2012, RSC Advances has achieved rapid growth and worldwide acceptance. In 2016 we converted RSC Advances to OA to:• give researchers free access to a broad scope of quality work• make the research we publish more visible• positively influence the future of OA publishing• demonstrate that OA publishing can be both affordable, and sustainableAn anticipated result of flipping to open access is the loss of authorship and submissions to competing journals. In fact, in 2017 just over 6600 articles were published in RSC Advances – less than a half of the publishing output in 2016.  The loss of authorship and a risk of authors choosing to publish in a competing journal is the reason why RSC cannot go full OA (all journals) yet.This does not mean that RSC suspended the support of OA. We continue introducing new OA journals like Nanoscale Advances, and new OA transition models like Read & Publish, which allows authors to access all content behind paywall and publish OA at no extra cost.

scholarly journals REPORT ON POPLAR HYBRIDIZATION II 1937 AND 1938

1940 ◽  
Vol 16 (2) ◽  
pp. 149-160 ◽  
Author(s):  
C. Heimburger
Keyword(s):  
Disease Resistance ◽  
Exotic Species ◽  
Hybrid Material ◽  
Rapid Growth ◽  
Great Promise ◽  
Western Canada ◽  
Resistant Material ◽  
High Quality ◽  
Disease Resistant ◽  
The Cross

The results of further progress in a poplar hybridization project initiated in 1935 with the aim of producing valuable hardy and disease resistant material of rapid growth for the production of wood of high quality for industrial purposes, and of value for shelterbelts in the Prairies are reported. It has been possible to cross the native aspens of Eastern and Western Canada with several exotic aspens and their hybrids with silver poplar, and to obtain hybrid material of great promise for these purposes. Some western balsam poplars have also been crossed with exotic species and have yielded hybrids of promise for shelterbelts. An attempt to cross an aspen with a cottonwood has so far yielded indifferent results. The cross of a basket willow with a cottonwood was not successful. Hardiness, disease resistance, and good propagability from stem or root cuttings are at present the most important characters used in evaluating the young hybrids.

Progress of Semi-Solid Processing of Alloys and Composites in China

2022 ◽  
Vol 327 ◽  
pp. 178-188
Author(s):  
Gan Li ◽  
Min Luo ◽  
Wen Ying Qu ◽  
Hong Xing Lu ◽  
Xiao Gang Hu ◽  
...  
Keyword(s):  
Rapid Growth ◽  
Low Cost ◽  
Research Field ◽  
General Situation ◽  
High Quality ◽  
Successful Development ◽  
Future Directions ◽  
Preparation Methods ◽  
Semi Solid ◽  
Slurry Preparation

Following the rapid growth of the automotive and communication industries, components with high quality and low cost are eagerly desired in China. Various technologies have been developed in China to meet the demand, while semi-solid processing (SSP) of alloys and composites is one of the most successfully developed and practically applied technologies. The major SSP applied in China is the rheocasting in terms of the Swirled Enthalpy Equilibration Device (SEED) process. In this review, we start with a brief reviewing some common slurry preparation methods and recent innovations of the SEED process. Subsequently, we describe the general situation and some recent examples of successful development and applications of SSP in China. Lastly, the future directions in SSP of alloys and composites are highlighted in this frontier research field at the end of this review.

Fabrication, Structural Characterization and Formation Mechanism of Multiferroic BiFeO3 Nanotubes

2008 ◽  
Vol 8 (1) ◽  
pp. 335-339 ◽  
Author(s):  
Satyendra Singh ◽  
S. B. Krupanidhi
Keyword(s):  
Electron Microscope ◽  
Formation Mechanism ◽  
Sol Gel ◽  
X Ray Diffraction ◽  
X Ray ◽  
Selected Area Electron Diffraction ◽  
Transmission Electron ◽  
Multiferroic Bifeo ◽  
High Resolution Tem ◽  
Perovskite Crystal

Multiferroic BiFeO3 (BFO) nanotubes have been successfully fabricated by the modified sol–gel method within the nanochannels of porous anodic aluminum oxide (AAO) templates. The morphology, structure and composition of the nanotubes were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), selected-area electron diffraction (SAED), high resolution TEM, (HRTEM) and energy-dispersive X-ray spectroscopy (EDX). Postannealed (650 °C for 1 h), BFO nanotubes were polycrystalline and X-ray diffraction study revealed that they are of the rhomohedrally distorted perovskite crystal structure. The results of SEM and TEM revealed that BFO nanotubes possessed a uniform length (up to 60 μm) and diameter (about 200 nm), which were controlled by the thickness and the pore diameter of the applied AAO template, respectively and the thickness of the wall of the BFO nanotube was about 15 nm. Y-junctions in the BFO nanotubes were observed. EDX analysis demonstrated that stoichiometric BiFeO3 was formed. HRTEM analysis confirmed that the obtained BFO nanotubes made up of nanoparticles (3–6 nm). The possible formation mechanism of BFO nanotubes was discussed.

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