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Ge and GeSi electroabsorption modulator arrays via strain and composition engineering
(Massachusetts Institute of Technology, 2020)
Electronic and photonic integrated circuits serve as a promising platform for telecommunications and sensing applications. Electroabsorption modulators allow fast modulation, small device footprint, and low power consumption. ...
Computational insights into multivalently binding polymers
(Massachusetts Institute of Technology, 2020)
Multivalent binding is commonly used throughout biology to create strong, conformal bonds using multiple weak binding interactions simultaneously. Bonds are considered multivalent when multiple ligands on one species ...
Lead chalcogenide thin film materials and processing for infrared optical devices
(Massachusetts Institute of Technology, 2020)
Lead chalcogenides are compounds of lead and a combination of the chalcogens sulfur, selenium, and tellurium. They are semiconductors with band gap energies in the infrared region of the electromagnetic spectrum, making ...
Deciphering how the viscoelastic properties of mussel-inspired metal-coordinate hydrogels dictate their adhesive and interfacial mechanics
(Massachusetts Institute of Technology, 2020)
In the world of adhesives, tunable viscoelasticity and adhesion to wet surfaces are two highly desirable properties. Mussels have already mastered both of these properties within the threads they create to anchor themselves ...
Guided etching and deposition of transition metal dichalcogenides
(Massachusetts Institute of Technology, 2020)
Two-dimensional (2D) transition metal dichalcogenides (TMDs) with engineered nanopores have been suggested as a promising materials system in membrane and catalysis applications in both the energy and environment fields. ...
Dynamics characterization for designing functional soft materials
(Massachusetts Institute of Technology, 2020)
In solutions, the dynamic behavior of soft materials is often critical to their function. In biological materials such as proteins and peptides, the edict that 'structure dictates function' has been supplanted in recent ...
Self-assembling nanocomposite Tectons for ordered superlattices
(Massachusetts Institute of Technology, 2020)
Nanocomposites, materials of heterogeneous composition with at least one of the phases having dimensions between 1-100 nm, can be produced with unique properties dependent on their composition and geometric configuration. ...
Development of colloidal quantum dot and lead halide perovskite light emitting devices
(Massachusetts Institute of Technology, 2021)
In recent years, optically active semiconductors, such as organic molecules, colloidal quantum dots (QDs) and lead halide perovskites, have emerged as top candidates for light emitting materials. One key feature of these ...
Engineering gelation in metal ion cross-linked hydrogels
(Massachusetts Institute of Technology, 2020)
Inspired by their role in the extraordinary mechanical properties of aquatic mussel threads, reversible metal ion cross-links have been utilized to engineer the toughness, stress relaxation, and healing ability of polymer ...
Nanostructured materials towards high-efficiency visible and ultraviolet light emitting diodes : structure-property correlation on the nanoscale
(Massachusetts Institute of Technology, 2020)
Lighting applications account for 15% of the world's energy consumption, indicating that highly efficient light emitting diodes (LEDs) have a tremendous potential to decrease energy usage. While LEDs are becoming more ...