Md Hemayet Uddin
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Imaging topological polar structures in marginally twisted 2D semiconductors Open
Moire superlattices formed in van der Waals heterostructures due to twisting, lattice mismatch and strain present an opportunity for creating novel metamaterials with unique properties not present in the individual layers themselves. Ferro…
View article: Metasurfaces and their intelligent advances
Metasurfaces and their intelligent advances Open
Metasurfaces exhibit excellent performance in the regulation of optical field parameters, such as phase, amplitude, and polarization, by using nanounit structures. The characteristics of metasurface miniaturization and its combination with…
View article: A volatile polymer stamp for large-scale, etching-free, and ultraclean transfer and assembly of two-dimensional materials and its heterostructures
A volatile polymer stamp for large-scale, etching-free, and ultraclean transfer and assembly of two-dimensional materials and its heterostructures Open
The intact transfer and assembly of two-dimensional (2D) materials and their heterostructures are critical for their integration into advanced electronic and optical devices. Herein, we report a facile technique called volatile polymer sta…
Graphene Oxide Paper Manipulation of Micro-Reactor Drops Open
Digital microfluidics, which relies on the movement of drops, is relatively immune to clogging problems, making it suited for micro-reactor applications. Here, graphene oxide paper of 100 μm thickness, fabricated by blade coating sedimente…
Scalable High Yield Exfoliation of Monolayer Nanosheets Open
The authors have requested that this preprint be removed from Research Square.
Pretreatment of Automotive Shredder Residues, Their Chemical Characterisation, and Pyrolysis Kinetics Open
Automotive Shredder Residue (ASR), a waste when metals are mostly removed from end-of-life vehicles, has constituents similar to municipal solid waste (MSW) consisting of plastics, rubber, textiles, and some metals. The processing of ASR i…
CMY camera using a nanorod filter mosaic integrated on a CMOS image sensor Open
The CMY colour camera is different from the RGB counterpart where the subtractive colours cyan, magenta and yellow are used. The CMY camera performs better than an RGB camera in low light conditions. However, conventional CMY colour filter…
View article: Polyphenol‐Induced Adhesive Liquid Metal Inks for Substrate‐Independent Direct Pen Writing
Polyphenol‐Induced Adhesive Liquid Metal Inks for Substrate‐Independent Direct Pen Writing Open
Surface patterning of liquid metals (LMs) is a key processing step for LM‐based functional systems. Current patterning methods are substrate specific and largely suffer from undesired imperfections—restricting their widespread applications…
A Single Sensor Based Multispectral Imaging Camera using a Narrow Spectral Band Colour Mosaic Integrated on the Monochrome CMOS Image Sensor Open
A multispectral image camera captures image data within specific wavelength ranges in narrow wavelength bands across the electromagnetic spectrum. Images from a multispectral camera can extract additional information that the human eye or …
Hybrid colour filters for multispectral imaging Open
Multispectral cameras capture images in multiple wavelengths in narrow spectral bands. They offer advanced sensing well beyond normal cameras and many single sensor based multispectral cameras have been commercialized aimed at a broad rang…
Nanophotonics: Hybrid Color Filters for Multispectral Imaging (Adv. Theory Simul. 11/2020) Open
Multispectral cameras record additional information that a human eye or a normal camera cannot capture. In article number 2000137, Ranjith Unnithan and co-workers report a hybrid optical filter technology that combines a single plasmonic l…
A new CMY camera technology using Al-TiO2-Al nanorod filter mosaic integrated on a CMOS image sensor Open
A CMY colour camera differs from its RGB counterpart in that it employs a subtractive colour space of cyan, magenta and yellow. CMY cameras tend to performs better than RGB cameras in low light conditions due to their much higher transmitt…
Structure–Interaction Relationship of Polymyxins with the Membrane of Human Kidney Proximal Tubular Cells Open
Multidrug-resistant Gram-negative bacteria are a serious global threat to human health. Polymyxins are increasingly used in patients as a last-line therapy to treat infections caused by these life-threatening 'superbugs'. Unfortunately, po…
A single sensor based multispectral imaging camera using a narrow spectral band color mosaic integrated on the monochrome CMOS image sensor Open
A multispectral image camera captures image data within specific wavelength ranges in narrow wavelength bands across the electromagnetic spectrum. Images from a multispectral camera can extract a additional information that the human eye o…
Minimizing Non-selective Nanowrinkles of Reduced Graphene Oxide Laminar Membranes for Enhanced NaCl Rejection Open
Reduced graphene oxide membranes (rGOMs) have been intensively studied for desalination and molecular sieving applications, benefiting from their selective and stable two-dimensional (2D) nanochannels. However, their performance is usually…
Transmission Enhancement in Coaxial Hole Array Based Plasmonic Color Filter for Image Sensor Applications Open
Plasmonic color filters based on the hexagonal arrangement of coaxial hole array in aluminum have been demonstrated as a promising candidate for color filter development due to polarization and incident angle insensitivity. They also compr…
A location- and sharpness-specific tactile electronic skin based on staircase-like nanowire patches Open
A new stretchable tactile electronic skin sensor that could sense touch, location and sharpness is presented.