High-Temperature Switchable Dielectric of an Organic–Inorganic Hybrid Metal Halide with Four-fold Cross-Linking Inorganic Anion Spiral Chains

2020 ◽  
Vol 2 (5) ◽  
pp. 1421-1425
Author(s):  
Yan Sui ◽  
Liang-Jun Wang ◽  
Hui-Qi Lai ◽  
Yu-Xiao Ma ◽  
Yu-Ling Jiang ◽  
...  
Keyword(s):  
High Temperature ◽  
Metal Halide ◽  
Cross Linking ◽  
Inorganic Anion ◽  
Inorganic Hybrid

A Review on Stability of Inorganic Metal Halide Perovskites: Challenge and Opportunity for Stable Solar Cells

2021 ◽  
Author(s):  
Wanchun Xiang ◽  
Shengzhong Liu ◽  
Wolfgang Tress
Keyword(s):  
Solar Cells ◽  
High Temperature ◽  
Metal Halide ◽  
Inorganic Perovskite ◽  
The Past ◽  
Intrinsic Stability ◽  
Halide Perovskites

Inorganic perovskite based solar cells (PSCs) have been receiving unprecedented attention worldwide in the past several years due to their higher intrinsic stability towards high temperature and high theoretical power...

Temperature Sensitive and Reversible Halide Ion Exchange in Inorganic–Organic Hybrid CH3NH3PbI3−xBrx Mixed-Halide Perovskite

2021 ◽  
Vol 16 (4) ◽  
pp. 670-674
Author(s):  
Shuting Cui ◽  
Xun Sun ◽  
SiWen Tao ◽  
Huawei Zhou ◽  
Jie Yin ◽  
...  
Keyword(s):  
High Temperature ◽  
Ion Exchange ◽  
Band Gap ◽  
Room Temperature ◽  
Temperature Sensitive ◽  
Mechanism Study ◽  
Interesting Phenomenon ◽  
Inorganic Hybrid ◽  
Hybrid Perovskite ◽  
Halide Perovskite

Ion exchange of organic-inorganic hybrid perovskite plays a significant role in controlling the performance of materials ant its devices. In this study, an interesting phenomenon was observed that the precipitate in suspension (CH3NH3PbI3−xBrx in γ-butyrolactone) brought out different colors at high and room temperature. The mechanism study appears that the phenomenon is controlled by temperature sensitive and reversible halide ion exchange in organic-inorganic hybrid CH3NH3PbI3−xBrx mixed-halide perovskite. The results of structure phase, element composition morphology and band gap illustrate that high temperature 55 °C is beneficial to the increasing of I content in MAPbI3−xBrx and room temperature or lower is advantageous to increasing of Br content in MAPbI3−xBrx. Compared with MAPbI0.76Br2.24 precipitate acquired at room temperature, MAPbI1.17Br1.83 precipitate got at high temperature illustrate wider lattice spacing, better crystallinity, better morphology and narrower band gap. The results and findings in this study will prompt the interest of readers or experts in the field of organic-inorganic hybrid perovskite materials and related optoelectronic applications.

Preparation and characterization of organic-inorganic hybrid ZrOC/PF aerogel used as high-temperature insulator

2020 ◽  
Vol 46 (5) ◽  
pp. 6326-6332
Author(s):  
Sue Ren ◽  
li Hu ◽  
Xiutao Li ◽  
Jinpeng Fan ◽  
Jun Liang
Keyword(s):  
High Temperature ◽  
Inorganic Hybrid

Densely cross-linked polysiloxane dielectric for organic thin-film transistors with enhanced electrical stability

2019 ◽  
Vol 7 (19) ◽  
pp. 5821-5829 ◽  
Author(s):  
Joo-Young Kim ◽  
Eun Kyung Lee ◽  
Jiyoung Jung ◽  
Don-Wook Lee ◽  
Youngjun Yun ◽  
...  
Keyword(s):  
Thin Film ◽  
Hybrid Material ◽  
Thin Film Transistors ◽  
Gate Dielectric ◽  
Organic Thin Film Transistors ◽  
Cross Linking ◽  
Urethane Acrylate ◽  
Organic Thin Film ◽  
Electrical Stability ◽  
Inorganic Hybrid

A solution-processable organic–inorganic hybrid material composed of a polysiloxane urethane acrylate composite (PSUAC) was developed through a dual cross-linking mechanism and satisfies all the requirements for use as a gate dielectric for flexible organic thin-film transistors (OTFTs).

Study on Synthesis and Characterization of Unsaturated Polyester by Enzyme-Catalyzed

2013 ◽  
Vol 575-576 ◽  
pp. 67-70
Author(s):  
Fen Juan Shao ◽  
Qun Yang ◽  
Lan Ying Li ◽  
Da Nian Lu
Keyword(s):  
High Temperature ◽  
Unsaturated Polyester ◽  
Soxhlet Extraction ◽  
Side Chain ◽  
Synthesis And Characterization ◽  
Cross Linking ◽  
Cross Link ◽  
H Nmr ◽  
Ft Ir

Unsaturated polyester was prepared with adipic acid (AA), fumaric acid (FA), itaconic acid (IA) and 1, 6-hexanediol (HD) by enzyme-catalyzed polmerization. The insoluble gel fraction (Qs), as the cross-linking degree of cured unsaturated polyesters which could be self-cross-linked at high temperature through C=C in it, was got by Soxhlet Extraction. The properties were investigated by FT-IR, 1H NMR, DSC, XRD and so on. The results indicated that the C=C in unsaturated diacids reduced the acitvity of N435, which affected the polmerization. With the introduction of C=C of IA or FA, the Mn of polyester reduced. The C=C could self-cross-link under high temperature for lengthy time. The higher the temperature and the longer the time, the Qs increased. As the C=C of IA was in the side chain, it could move easily. Then Qs of poly (AA-co-IA-co-HD) was higher than ploy (AA-co-FA-co-HD). With the increased content of unsaturated diacid, Qs increased. And the biodegradation of cross-linked polyesters became worse.

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