Precise morphology control of in-plane silicon nanowires via a simple plasma pre-treatment

Xue, Zhaoguo; Chen, Wanghua; Meng, Xiangchen; Xu, Jun; Shi, Yixiang; Chen, Kunji; Yu, Linwei; Cabarrocas, Pere Roca i

doi:10.1016/j.apsusc.2022.153435

Cited by 4 publications

(3 citation statements)

References 64 publications

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“…There is also a two-step anodization process for the fabrication of highly ordered nanoporous anodic aluminum oxide (AAO) templates [78], which is widely used to fabricate 1D and 2D nanostructure materials. An in-plane solid-liquid-solid (IPSLS) growth mode was proposed, where metal droplets are used to absorb amorphous silicon (a-Si:H) thin film and grow in-plane crystalline SiNWs [79][80][81][82]. More importantly, the catalyst droplets can be attracted by simple step edges to guide and grow SiNWs along the edges.…”

Section: Resistive Strain Sensorsmentioning

confidence: 99%

Recent Advances in Nanowire-Based Wearable Physical Sensors

Gu,

Shen,

Tian

et al. 2023

Biosensors

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Wearable electronics is a technology that closely integrates electronic devices with the human body or clothing, which can realize human–computer interaction, health monitoring, smart medical, and other functions. Wearable physical sensors are an important part of wearable electronics. They can sense various physical signals from the human body or the surrounding environment and convert them into electrical signals for processing and analysis. Nanowires (NW) have unique properties such as a high surface-to-volume ratio, high flexibility, high carrier mobility, a tunable bandgap, a large piezoresistive coefficient, and a strong light–matter interaction. They are one of the ideal candidates for the fabrication of wearable physical sensors with high sensitivity, fast response, and low power consumption. In this review, we summarize recent advances in various types of NW-based wearable physical sensors, specifically including mechanical, photoelectric, temperature, and multifunctional sensors. The discussion revolves around the structural design, sensing mechanisms, manufacture, and practical applications of these sensors, highlighting the positive role that NWs play in the sensing process. Finally, we present the conclusions with perspectives on current challenges and future opportunities in this field.

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Section: Resistive Strain Sensorsmentioning

confidence: 99%

Recent Advances in Nanowire-Based Wearable Physical Sensors

Gu,

Shen,

Tian

et al. 2023

Biosensors

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“…Although the creation of crystalline phases driven by PR mechanism has been proved, there are still many open questions. For example, the role of impurities on coupling formation and local atomic site configuration, [26] how these necklace arrangements are joined to form decorated architectures, [27][28][29] whether there is a full control over composition, diffusion paths, and/or structural modifications, [10,11,30,31] coexisting crystalline polytypes, [20,32] diffusiondriven effects, [33] phase separation, [34] radial or axial chemical modulations, [20,35,36] as well as atomic scale variability due to fluctuations in the growth rate. [10,37] In the present work, we address some of these issues in a representative Zn 2 GeO 4 /SnO 2 NW architecture produced by PR method.…”

Section: Introductionmentioning

confidence: 99%

Interplay between Crystal Structure and Optical Response in Plateau–Rayleigh Zn₂GeO₄/SnO₂ Heterostructures

Dolado

Malato

Segura-Ruíz

et al. 2023

Advanced Photonics Research

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Hybrid semiconductor nanowire (NW) heterostructures are an ideal playground for cutting‐edge optoelectronic nanodevices. Among the several synthesis methods, Plateau–Rayleigh (PR) crystal growth is an effective route for producing decorated NWs with unprecedented properties. However, lateral variations in composition and/or crystal structure are postulated to play a central role in their optical response, but it is difficult to probe correlatively the elemental order, atomic organization, and light emission on length scales of tens to hundreds of nanometers. Usually, electron microscopies are applied to address the formation of clusters and imperfections in representative cross sections of the samples. Herein, a simultaneous spatially resolved nano‐analysis of the crystal symmetry, chemical composition, and optical properties of a whole Zn2GeO4/SnO2 NW heterostructure produced by PR instability is provided. The observations show the connection among Zn impurities, secondary phases, and asymmetrically distributed UV emissions present in the crystallites decorating the NW (Zn‐doped Sn1−xGexO2). The contributions of the elemental diffusion, crystal domains, and atomic site configurations to the light‐emission phenomena are disentangled in these hybrid architectures. The findings elucidate unknown underlying mechanisms that are critical to tailor emergent properties for rationally designing novel complex nanodevices based on 1D materials.

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“…[21] A variety of nanostructured architectures with strategically designed layout of integrated electrodes or FETs have been developed to offer conformal and stable interfaces with diversely shaped cells/organoids, and to provide long-term, continuous recording of biophysiological signals with high sensitivity and high fidelity. [39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55][56] For example, many different forms of needle type architectures were developed for cell interfacing, ranging from nanoprobes, [57][58][59][60][61] nanopillars, [42,[62][63][64][65] nanotubes, [66] nanocrowns, [24] to nanovolcanos. [67] Aside from these 1D nanostructured configurations, 2D planar type, [68][69][70][71] as well as diverse 3D architectures have been devised to allow monitoring with higher spatial resolutions.…”

Section: Introductionmentioning

confidence: 99%

Bioelectric Interface Technologies in Cells and Organoids

Xue,

Zhao

2023

Adv Materials Inter

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The past two decades have witnessed breakthroughs in cellular‐scale bioelectronics and their widespread applications in life sciences, creating many powerful platforms for studying organisms directly and efficiently. These advanced devices can integrate seamlessly and intimately onto/into target cells and organoids, providing unprecedented functions and revolutionary capabilities. Bioelectronics with nanostructured designs are developed to allow for long‐term, stable monitoring of electrophysiological activities. This review summarizes nanostructured bioelectronics for cell electrophysiology recording, emphasizing the crucial roles of structural designs on functions and capabilities, e.g., intracellular access, high‐density multiplexed recording, multifunctional interfaces and the conformability to curvy biological shapes. Finally, the remaining challenges and opportunities in nanostructured bioelectronics are identified, and perspectives on the future developments toward their practical applications are provided.

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Precise morphology control of in-plane silicon nanowires via a simple plasma pre-treatment

Cited by 4 publications

References 64 publications

Recent Advances in Nanowire-Based Wearable Physical Sensors

Recent Advances in Nanowire-Based Wearable Physical Sensors

Interplay between Crystal Structure and Optical Response in Plateau–Rayleigh Zn₂GeO₄/SnO₂ Heterostructures

Bioelectric Interface Technologies in Cells and Organoids

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Precise morphology control of in-plane silicon nanowires via a simple plasma pre-treatment

Cited by 4 publications

References 64 publications

Recent Advances in Nanowire-Based Wearable Physical Sensors

Recent Advances in Nanowire-Based Wearable Physical Sensors

Interplay between Crystal Structure and Optical Response in Plateau–Rayleigh Zn2GeO4/SnO2 Heterostructures

Bioelectric Interface Technologies in Cells and Organoids

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Interplay between Crystal Structure and Optical Response in Plateau–Rayleigh Zn₂GeO₄/SnO₂ Heterostructures