Driven by functionality and purity demand for applications of inorganic nanoparticle colloids in optics, biology, and energy, their surface chemistry has become a topic of intensive research interest. Consequently, ligand-free colloids are ideal reference materials for evaluating the effects of surface adsorbates from the initial state for application-oriented nanointegration purposes. After two decades of development, laser synthesis and processing of colloids (LSPC) has emerged as a convenient and scalable technique for the synthesis of ligand-free nanomaterials in sealed environments. In addition to the high-purity surface of LSPC-generated nanoparticles, other strengths of LSPC include its high throughput, convenience for preparing alloys or series of doped nanomaterials, and its continuous operation mode, suitable for downstream processing. Unscreened surface charge of LSPC-synthesized colloids is the key to achieving colloidal stability and high affinity to biomolecules as well as support materials,...

Laser Synthesis and Processing of Colloids: Fundamentals and Applications

Tuning the phase composition of 1D TiO2 by Fe/Sn co-doping strategy for enhanced visible-light-driven photocatalytic and photoelectrochemical performances

Laser Synthesis of Magnetic Nanoparticles in Liquids and Application in the Fabrication of Polymer–Nanoparticle Composites

Complex nanomineral formation utilizing kinetic control by PLAL.

In this work, contaminated free titanium ferrite nanoparticles were successfully prepared through laser ablation approach in liquid media. The synthesized nanoparticles were characterized in terms of the structural, bonding nature, chemical composition using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy and Energy-dispersive X-ray spectroscopy (EDX) techniques. The X-ray diffraction (XRD) pattern confirmed multiphase structure of titanium ferrite nanoparticles and revealed a vast difference between the laser ablated nanoparticles and its mother target. The XRD, FTIR and Raman measurements showed the formation of magnetic titanium ferrite nanoparticles as compared to bulk target. EDX spectrum also confirmed the formation of titanium ferrite nanoparticles. The photo catalytic activity performance of synthesized nanoparticles was tested to Rhodamine 6 G which was studied through time based absorption variations noted by ultra violet visible spectroscopy. The photo catalytic degradation efficiency of the sample retained nearly 80% of its initial value after two cycle of operation. These magnetic titanium ferrite nanoparticles exhibited good photocatalytic activities under UV light irradiation and can be recycled many times by magnetic separation without major loss of activity. Present studies indicate that titanium ferrite nanoparticles are a promising material for contaminated groundwater treatment and might open a new avenue in the designing of a cheaper and efficient large scale water purification plants.

Laser synthesized magnetically recyclable titanium ferrite nanoparticles for photodegradation of dyes

Liquid-Assisted Pulsed Laser Ablation Synthesis of Titanium Ferrite Nanomaterials

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Liquid-Assisted Pulsed Laser Ablation Synthesis of Titanium Ferrite Nanomaterials