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Nanoparticles | Characteristics | Synthetic approaches | Application(s) | Reference |
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Gold nanoparticles | (i) Redox activities, SERS (ii)SPR (iii) Fluorescent quenching | (i) Solution-based approach | (i) Electronic and electrochemical signal detection (ii) Drug delivery (iii) Cell imaging in molecular diagnostic procedures | [38] |
Carbon-based nanostructures | (i) Elastic behavior (ii) Equilibrium structure (iii) Fundamental gaps (iv) Interlayer spacing (v) Lattice constant (vi) Optical properties, viz., electrical and thermal transport | (i) Carbon arc discharge (ii) Laser ablation (iii) Vapor deposition | (i) Tissue engineering, biomedical implants, identification of malignant cells, and delivery of bioactive substances (ii) Development of electromechanical actuators and supercapacitors for robotics and automotives (iii) Fuel cells (H-storage) for electric vehicles and smart gadgets (iv) Development of field emission devices such as gas discharge tubes and lamps, microwave inducing devices, probes, and sensors | [39, 40] |
Magnetic nanoparticles | (i) Magnetic eject lead by spinning electronically charged particles and zero coercivity | (i) Co-precipitation (ii) Microemulsion, thermal decomposition (iii) Solvothermal (iv) Sonochemical (v) Microwave-assisted; vapor deposition, combustion synthesis, carbon arc (vi) Laser pyrolysis methods | (i) Drug delivery, NMR imaging, biomolecules separations, in vivo destruction of targeted cells by hyperthermia (ii) Removal of organic and inorganic pollutants (iii) Synthetic pigments for ceramics, porcelain, and paints | [41] |
Silicon-based nanomaterials | (i) Optical characteristics (ii) Bright emission (iii) Photostability (iv) Size-dependent and wavelength tunable luminescence and long fluorescence (v) Electronic characteristics (vi) Quantum confinement (vii) Surface functionalization | (i) Pulsed laser ablation (ii) Heating degradation (iii) Ball milling Chemical synthesis (iv) Electrochemical etching | (i) Silicon-based light emission diodes (LED) multicolor (ii) Lithium and solar cells (iii) Microwave mediated filed-electron transistor (iv) Photocatalyst for chemical and industrial application | [42] |
Graphene oxides | (i) High strength (ii) Improved electron mobility (iii) Excellent electrical and thermal properties | (i) Approaches of bottom-up and top-down methods | (i) Gas transport, water treatment processes (ii) Multiple-stimuli actuation: humidity, temperature, light, electronic, chemical etc. (iii) Noncorrosive resistance (iv) Lithium cells (v) Supercapacitors | [43] |
Dendrimers | (i) Low viscosities (ii) Miscible and highly soluble (iii) Enhanced surface area and encapsulation abilities | (i) Divergent (ii) Convergent methods | (i) Drug delivery (ii) Gene vehicles (iii) Photodynamic therapeutic agents (iv) Water filtration and testing | [44, 45] |
Conducting polymers | (i) Electric properties (ii) High conductivity (iii) Microwave absorbing properties (iv) Nonlinear optical properties (v) Wettability | Chemical methods (i) Electrochemical methods (ii) Emulsion method (iii) Photochemical method (iv) Plasma polymerization (v) Pyrolysis | (i) Electromagnetic shielding materials (ii) LEDs and solar cells (iii) Microwave absorbing materials (iv) Rechargeable batteries (v) Sensors | [46] |
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