A General Strategy for In Situ Growth of All-Inorganic CsPbX3 (X = Br, I, and Cl) Perovskite Nanocrystals in Polymer Fibers toward Significantly Enhanced Water/Thermal Stabilities

2018 ◽  
Vol 6 (15) ◽  
pp. 1800346 ◽  
Author(s):  
Hao Liao ◽  
Shibo Guo ◽  
Sheng Cao ◽  
Lin Wang ◽  
Fengmei Gao ◽  
...  
Keyword(s):  
Polymer Fibers ◽  
General Strategy ◽  
In Situ Growth ◽  
Thermal Stabilities ◽  
Perovskite Nanocrystals

In situ growth of aligned CsPbBr3 nanorods in polymer fibers with tailored aspect ratios

2020 ◽  
Vol 46 (11) ◽  
pp. 18352-18357 ◽  
Author(s):  
Huaihao Zhang ◽  
Dingfa Fu ◽  
Zhentao Du ◽  
Hui Fu ◽  
Gang Shao ◽  
...  
Keyword(s):  
Polymer Fibers ◽  
In Situ Growth ◽  
Aspect Ratios

In situ growth of all-inorganic perovskite nanocrystals on black phosphorus nanosheets

2018 ◽  
Vol 54 (19) ◽  
pp. 2365-2368 ◽  
Author(s):  
Hao Huang ◽  
Jia Li ◽  
Ya Yi ◽  
Jiahong Wang ◽  
Yihong Kang ◽  
...  
Keyword(s):  
Black Phosphorus ◽  
Two Dimensional ◽  
In Situ Growth ◽  
Inorganic Perovskite ◽  
Perovskite Nanocrystals ◽  
Low Dimensional

We demonstrate a novel low-dimensional nanohybrid structure consisting of all-inorganic perovskite nanocrystals growing in situ on two-dimensional black phosphorus nanosheets.

In situ growth of α-CsPbI3 perovskite nanocrystals on the surface of reduced graphene oxide with enhanced stability and carrier transport quality

2019 ◽  
Vol 7 (22) ◽  
pp. 6795-6804 ◽  
Author(s):  
Qi Zhang ◽  
Hui Nan ◽  
Yangying Zhou ◽  
Youchen Gu ◽  
Meiqian Tai ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Carrier Transport ◽  
In Situ Growth ◽  
Oxide Heterostructures ◽  
Perovskite Nanocrystals ◽  
Reduced Graphene ◽  
Growth Method ◽  
Enhanced Stability

An in situ solution growth method to prepare preferentially assembled and well-distributed α-CsPbI3 nanocrystals/reduced graphene oxide heterostructures is presented.

Epitaxial growth manner and structure of superconducting oxide films

1990 ◽  
Vol 48 (4) ◽  
pp. 2-3
Author(s):  
Yoshichika Bando ◽  
Takahito Terashima ◽  
Kenji Iijima ◽  
Kazunuki Yamamoto ◽  
Kazuto Hirata ◽  
...  
Keyword(s):  
Ultrathin Films ◽  
Film Surface ◽  
High Energy ◽  
Epitaxial Films ◽  
Layer By Layer ◽  
Initial Growth ◽  
In Situ Growth ◽  
High Quality ◽  
Activated Reactive Evaporation

The high quality thin films of high-Tc superconducting oxide are necessary for elucidating the superconducting mechanism and for device application. The recent trend in the preparation of high-Tc films has been toward “in-situ” growth of the superconducting phase at relatively low temperatures. The purpose of “in-situ” growth is to attain surface smoothness suitable for fabricating film devices but also to obtain high quality film. We present the investigation on the initial growth manner of YBCO by in-situ reflective high energy electron diffraction (RHEED) technique and on the structural and superconducting properties of the resulting ultrathin films below 100Å. The epitaxial films have been grown on (100) plane of MgO and SrTiO, heated below 650°C by activated reactive evaporation. The in-situ RHEED observation and the intensity measurement was carried out during deposition of YBCO on the substrate at 650°C. The deposition rate was 0.8Å/s. Fig. 1 shows the RHEED patterns at every stage of deposition of YBCO on MgO(100). All the patterns exhibit the sharp streaks, indicating that the film surface is atomically smooth and the growth manner is layer-by-layer.

The Total Synthesis of Rhabdastrellic Acid A

2018 ◽  
Author(s):  
Yaroslav Boyko ◽  
Christopher Huck ◽  
David Sarlah
Keyword(s):  
Total Synthesis ◽  
Late Stage ◽  
Cross Coupling ◽  
Side Chains ◽  
General Strategy ◽  
Modular Approach ◽  
Linear Sequence ◽  
Generating Sequence ◽  
First Time

<div>The first total synthesis of rhabdastrellic acid A, a highly cytotoxic isomalabaricane triterpenoid, has been accomplished in a linear sequence of 14 steps from commercial geranylacetone. The prominently strained <i>trans-syn-trans</i>-perhydrobenz[<i>e</i>]indene core characteristic of the isomalabaricanes is efficiently accessed in a selective manner for the first time through a rapid, complexity-generating sequence incorporating a reductive radical polyene cyclization, an unprecedented oxidative Rautenstrauch cycloisomerization, and umpolung 𝛼-substitution of a <i>p</i>-toluenesulfonylhydrazone with in situ reductive transposition. A late-stage cross-coupling in concert with a modular approach to polyunsaturated side chains renders this a general strategy for the synthesis of numerous family members of these synthetically challenging and hitherto inaccessible marine triterpenoids.</div>

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