Gel network incorporation into single-crystals: effects of gel structures and crystal–gel interaction

Liao, Chen; Ye, Tao; Liu, Yujing; Liu, Wei; Wu, Gang; Chen, Hongzheng; Li, Hanying

doi:10.1039/c4ce00243a

Cited by 20 publications

(34 citation statements)

References 40 publications

(65 reference statements)

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“…Assuming the growing crystals incorporate the silica gel network completely without water, the mass ratio (W si ) of the incorporated Si element inside the crystals can be calculated from the equation in Ref. [19]: …”

Section: Resultsmentioning

confidence: 99%

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Gel-incorporated PbS and PbI2 single-crystals

Liu

Liao

et al. 2015

Chinese Chemical Letters

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Section: Resultsmentioning

confidence: 99%

“…More recently, calcite, again, were shown to incorporate gelatine [10], poly-acrylamide [11], agarose [12][13][14][15] and xyloglucan gels [16]. Although the total amount is still very limited as compared with the large amount of gel-grown crystals, the examples of gelincorporated single-crystals are increasing [17][18][19][20].…”

Section: Introductionmentioning

confidence: 96%

Gel-incorporated PbS and PbI2 single-crystals

Liu

Liao

et al. 2015

Chinese Chemical Letters

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“…22 The silicagel network within the brine was found not to be integrated into the NaCl crystal structure. 23 The degree of supersaturation depends on the concentration of HCl. It was observed for HCl concentrations less than 10 mol/l transparent perfect 3 × 3 × 3–4 × 4 × 4 mm NaCl crystals were obtained after 30 days but at concentrations between 10–11.3 mol/l, hopper crystals formed.…”

Section: Methodsmentioning

confidence: 99%

Comparison of sodium chloride hopper cubes grown under microgravity and terrestrial conditions

Pettit

Fontana²

2019

npj Microgravity

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Sodium chloride (NaCl) grown in terrestrial conditions form hopper cubes under diffusion controlled mass transport (Péclet number: ≪ 1), high supersaturations (S > 1.45), and fast growth rates (10–110 µm/s) over periods only maintainable for seconds to minutes yielding hopper cubes typically <250 µm. Here we report on NaCl hopper cubes grown in microgravity on the International Space Station (ISS) by evaporation of brine. They grew under diffusion limited mass transport (Péclet number: ~4 × 10−4 − 4) at low supersaturation (S < 1.002) and slow growth rates (0.34–1 µm/min) over periods of days to weeks. Due to the lack of sedimentation, symmetrical hopper cubes, 2–8 mm were produced. The most striking differences between microgravity and terrestrial gravity hopper growth conditions are low supersaturation and slow growth rates over long periods of time. Large, 1–20 cm naturally occurring symmetrical NaCl hopper cubes are found suspended in brine soaked mud, hypothesized to be produced in a slow growth, diffusion dominated environment. We speculate these geologic conditions allow for hopper growth similar to that of microgravity.

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“…It was then soaked in the 65 C solution and then removed to dry. PEG solutions with different concentrations were prepared, and different weights of PEG were added to distilled water in different volumes to obtain different concentrations of the PEG solutions (10,20,30,40,50, and 60 wt%). The dried carbon cloths were immersed in different concentrations of PEG solutions and then placed in an incubator at 60 C, aer which they were removed and dried.…”

Section: Preparation Of the Samplesmentioning

confidence: 99%

“…PVA is a biodegradable polymer that is harmless to the human body and it has good biocompatibility, especially in the medical eld, since it has a wide range of applications. 29,30 It is a green and environmentally-friendly material, which is oen used as a fabric treatment agent. It can also be used to coat the CFC surface to enhance the mechanical properties of the surface.…”

Section: Introductionmentioning

confidence: 99%