Wurtzite ZnTe Nanotrees and Nanowires on Fluorine-Doped Tin Oxide Glass Substrates

Song, Man Suk; Choi, Seon Bin; Kim, Yong

doi:10.1021/acs.nanolett.7b01446

Cited by 12 publications

(16 citation statements)

References 50 publications

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“…Sn vapor may be transported from the hotter zone and condensed on the side wall. In this case, secondary growth will occur from the droplet on the side wall and results in a nanotree structure with a trunk and secondary branches as reported earlier for ZnTe nanotrees . However, TSL nanowires were formed on the hottest zone of the substrate.…”

Section: Resultsmentioning

confidence: 65%

“…In this case, secondary growth will occur from the droplet on the side wall and results in a nanotree structure with a trunk and secondary branches as reported earlier for ZnTe nanotrees. 41 However, TSL nanowires were formed on the hottest zone of the substrate. Therefore, there is no transported Sn vapor for secondary branch growth.…”

Section: Resultsmentioning

confidence: 99%

“…We have reported various nanowires under Sn catalysis on fluorine-doped tin oxide (FTO) substrates, which are widely used as transparent conducting substrates. − Nanostructures on transparent conducting glass substrates would have practical advantages for use in thin-film optoelectronic devices. Considering the similar material properties of Sn and In (their melting temperatures are 505 and 430 K, respectively), it is essential to explore the possibility of TSL formation in Zn 3 P 2 on FTO substrates.…”

Section: Introductionmentioning

confidence: 99%

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Zn₃P₂ Twinning Superlattice Nanowires Grown on Fluorine-Doped Tin Oxide Glass Substrates

2019

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Zn 3 P 2 twinning superlattice nanowires with diameters of 100−300 nm were grown under Sn catalysis on fluorine-doped tin oxide glass by physical vapor transport. The nanowires grew along the [101] direction with nonparallel {101} side facets. The Zn 3 P 2 twinning superlattices had no noticeable crystallographic defects except periodic twin defects. A nonlinear relationship between the twin plane spacing and nanowire diameter was observed. The twin plane formation energy (4.0 × 10 −2 to 4.3 × 10 −2 J/m 2 ) was estimated by fitting the relationship from the nucleation model with a hexagonal nucleus with monolayer height at the triple-phase boundary. The unexpected nonlinear behavior despite the relatively high twin plane formation energy was ascribed to the strong interaction of P atoms dissolved in Sn droplets with the growth interface. P atoms in the droplets may have acted as a surfactant to reduce the liquid−solid surface energy.

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Section: Resultsmentioning

confidence: 65%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Zn₃P₂ Twinning Superlattice Nanowires Grown on Fluorine-Doped Tin Oxide Glass Substrates

2019

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“…Furthermore, they have a close resemblance in their appearance to biological one-dimensional structures including DNA, RNA, proteins, etc. Hierarchical nanostructures composed of multigenerational stems and branches , have extremely high absorbance because of multiple reflections of incident light between nanostructures, while absorption is quite limited to the exposed surface of ZnS porous edifices. Precipitated ZnS could be vapor-transported from the hot geothermal field to a cooler region for condensation.…”

Section: Introductionmentioning

confidence: 99%

ZnS–ZnO Heterostructure Nanorings Grown under a Possible Early Earth Atmosphere

Park

Kim

2020

Crystal Growth & Design

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We synthesize ZnS–ZnO heterostructure nanorings at ∼680 °C under carrier gases with various [CO2]/[N2] ratios simulating an anoxic and weakly reduced atmosphere on early Earth. The synthesized nanorings consist of a ZnS–ZnO bilayered stem, ZnO teeth, and ZnS wing-like structures between the teeth and the ZnS layer. O atoms are supplied through the decomposition of CO2 presumably catalyzed by the ZnS surface. The respective growth directions of ZnS and ZnO layers in the stem are [0001] and [011̅1], and ZnO teeth are directed outward from the ring. The nanorings are structurally different from ZnS–ZnO nanorings having inward-directed teeth, which were grown under an oxygen-containing ambient environment. Contrary to the assumption of sulfide dominance including ZnS and MnS while disregarding oxygen-containing minerals such as ZnO on early Earth, we show that ZnS–ZnO nanorings, which are more advantageous in CO2 reduction efficiency, could be formed.

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“…It is interesting to add that, crystal structure tuning is also of interest and can be challenging in II–VI materials . Specifically wurtzite II‐Te materials, similar to III‐Sbs are considered relatively difficult to attain …”

Section: Introductionmentioning

confidence: 99%

Sb Incorporation in Wurtzite and Zinc Blende InAs₁₋_xSb_x Branches on InAs Template Nanowires

Dahl

Namazi

Zamani

et al. 2018

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The physical properties of material largely depend on their crystal structure. Nanowire growth is an important method for attaining metastable crystal structures in III-V semiconductors, giving access to advantageous electronic and surface properties. Antimonides are an exception, as growing metastable wurtzite structure has proven to be challenging. As a result, the properties of these materials remain unknown. One promising means of accessing wurtzite antimonides is to use a wurtzite template to facilitate their growth. Here, a template technique using branched nanowire growth for realizing wurtzite antimonide material is demonstrated. On wurtzite InAs trunks, InAs Sb branch nanowires at different Sb vapor phase compositions are grown. For comparison, branches on zinc blende nanowire trunks are also grown under identical conditions. Studying the crystal structure and the material composition of the grown branches at different x shows that the Sb incorporation is higher in zinc blende than in wurtzite. Branches grown on wurtzite trunks are usually correlated with stacking defects in the trunk, leading to the emergence of a zinc blende segment of higher Sb content growing parallel to the wurtzite structure within a branch. However, the average amount of Sb incorporated within the branch is determined by the vapor phase composition.

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Wurtzite ZnTe Nanotrees and Nanowires on Fluorine-Doped Tin Oxide Glass Substrates

Cited by 12 publications

References 50 publications

Zn₃P₂ Twinning Superlattice Nanowires Grown on Fluorine-Doped Tin Oxide Glass Substrates

Zn₃P₂ Twinning Superlattice Nanowires Grown on Fluorine-Doped Tin Oxide Glass Substrates

ZnS–ZnO Heterostructure Nanorings Grown under a Possible Early Earth Atmosphere

Sb Incorporation in Wurtzite and Zinc Blende InAs₁₋_xSb_x Branches on InAs Template Nanowires

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Wurtzite ZnTe Nanotrees and Nanowires on Fluorine-Doped Tin Oxide Glass Substrates

Cited by 12 publications

References 50 publications

Zn3P2 Twinning Superlattice Nanowires Grown on Fluorine-Doped Tin Oxide Glass Substrates

Zn3P2 Twinning Superlattice Nanowires Grown on Fluorine-Doped Tin Oxide Glass Substrates

ZnS–ZnO Heterostructure Nanorings Grown under a Possible Early Earth Atmosphere

Sb Incorporation in Wurtzite and Zinc Blende InAs1−xSbx Branches on InAs Template Nanowires

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Zn₃P₂ Twinning Superlattice Nanowires Grown on Fluorine-Doped Tin Oxide Glass Substrates

Zn₃P₂ Twinning Superlattice Nanowires Grown on Fluorine-Doped Tin Oxide Glass Substrates

Sb Incorporation in Wurtzite and Zinc Blende InAs₁₋_xSb_x Branches on InAs Template Nanowires