Self‐Directed Assembly of Nanoparticles: A Review on Various Approaches

Upadhyay, Arun; Behara, Dilip Kumar; Sharma, Gyan Prakash; Pala, Raj Ganesh S.; Sivakumar, S.

doi:10.1002/9781118998922.ch11

Cited by 2 publications

(3 citation statements)

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“…The self-assembly can be direct or indirect, free, or assisted, depending upon the process involved [8]. It includes template-assisted direct self-assembly [9], template-free direct self-assembly [10,11] externally directed self-assembly [4,12] (electric [13], magnetic [14], and flow fields [15]), self-assembly at liquid interfaces [16], self-assembly by wetting-dewetting [17], scanning probe lithography [18], and nano-imprinting [19].…”

Section: "Coffee Stain" Phenomenon and Its Removalmentioning

confidence: 99%

“…Usually, the top-down and bottom-up designs are used separately to accomplish certain processes. There have been great efforts toward organizing nanostructures on silicon surfaces [4], but we demonstrate the patterning of nanoparticles on magnetometer devices for the first time. Here, we use both processes-top-down and bottom-up-to achieve the required patterning of nanoparticles on the silicon-on-insulator (SOI) devices.…”

Section: Introductionmentioning

confidence: 99%

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Assembling Magnetic Nanoparticles on Nanomechanical Resonators for Torque Magnetometry

Firdous

Potter

2020

IJMS

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We report a highly compliant process for patterning nanoparticle arrays on micro- and nanomechanical devices. The distinctive step involves the single layer self-assembled nanoparticles on top of released nanomechanical devices. We demonstrate the process by fabricating sizable arrays of nanomechanical devices on silicon-on-insulator substrates, acting as nanomechanical torque magnetometers. Later, the nanoparticles were self-assembled in geometrical shapes on top of the devices by a unique combination of top-down and bottom-up methods. The self-assembled array of nanoparticles successfully showed a magnetic torque signal by magnetic actuation of the magnetometer. This patterning process can be generalized for any shape and for a wide range of nanoparticles on the nanomechanical resonators.

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Section: "Coffee Stain" Phenomenon and Its Removalmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Assembling Magnetic Nanoparticles on Nanomechanical Resonators for Torque Magnetometry

Firdous

Potter

2020

IJMS

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“…Numerous complex mechanisms and a comprehensive approach are necessary for target architectures. Thus, self-assembly is currently one of the key topics in physics, chemistry, and mathematics. − …”

Section: Introductionmentioning

confidence: 99%

Self-Assembly of Ag₂S Colloidal Nanoparticles Stabilized by MPS in Water Solution

2020

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Self-assembly of colloidal Ag 2 S nanoparticles (NPs) was studied in the presence of (3-mercaptopropyl)trimethoxysilane (MPS). Solutions with different molar ratios of Ag 2 S/MPS were prepared. The appearance of nano- and microtubes was detected. Self-organized NPs were studied with optical microscopy, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and high-resolution transmission electron microscopy (HRTEM). Silicon nuclear magnetic resonance spectroscopy ( 29 Si NMR) was used to study polycondensation of MPS molecules. Geometrical parameters of the nano- and microtubes depended on the molar ratio of Ag 2 S/MPS. The scheme and mechanism of self-assembly of Ag 2 S NPs in nanotubes in the presence of MPS were proposed. The effect of MPS on the preservation of the initial stoichiometry of Ag 2 S NPs was discussed.

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Self‐Directed Assembly of Nanoparticles: A Review on Various Approaches

Cited by 2 publications

References 201 publications

Assembling Magnetic Nanoparticles on Nanomechanical Resonators for Torque Magnetometry

Assembling Magnetic Nanoparticles on Nanomechanical Resonators for Torque Magnetometry

Self-Assembly of Ag₂S Colloidal Nanoparticles Stabilized by MPS in Water Solution

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Self‐Directed Assembly of Nanoparticles: A Review on Various Approaches

Cited by 2 publications

References 201 publications

Assembling Magnetic Nanoparticles on Nanomechanical Resonators for Torque Magnetometry

Assembling Magnetic Nanoparticles on Nanomechanical Resonators for Torque Magnetometry

Self-Assembly of Ag2S Colloidal Nanoparticles Stabilized by MPS in Water Solution

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Self-Assembly of Ag₂S Colloidal Nanoparticles Stabilized by MPS in Water Solution