Njemuwa Nwaji

ORCID: 0000-0003-2350-1396
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About
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Research Areas
  • Porphyrin and Phthalocyanine Chemistry
  • Nonlinear Optical Materials Studies
  • Advanced Photocatalysis Techniques
  • Photodynamic Therapy Research Studies
  • Advanced battery technologies research
  • Electrocatalysts for Energy Conversion
  • Photochemistry and Electron Transfer Studies
  • Copper-based nanomaterials and applications
  • Nanoplatforms for cancer theranostics
  • Quantum Dots Synthesis And Properties
  • Essential Oils and Antimicrobial Activity
  • Corrosion Behavior and Inhibition
  • Advancements in Battery Materials
  • Nanomaterials for catalytic reactions
  • Supercapacitor Materials and Fabrication
  • Concrete Corrosion and Durability
  • melanin and skin pigmentation
  • Hydrogen embrittlement and corrosion behaviors in metals
  • Catalysis and Hydrodesulfurization Studies
  • Electrochemical Analysis and Applications
  • Advanced Nanomaterials in Catalysis
  • Electrochemical sensors and biosensors
  • Covalent Organic Framework Applications
  • Chalcogenide Semiconductor Thin Films
  • Advanced biosensing and bioanalysis techniques

Institute of Fundamental Technological Research
2024-2025

Polish Academy of Sciences
2024-2025

Chungnam National University
2022-2024

Zhaoqing University
2021-2024

South China Normal University
2021-2024

Ebonyi State University
2014-2022

Alex Ekwueme Federal University, Ndufu-Alike
2020-2022

Rhodes University
2017-2021

A new approach to defect enrichment in metal organic framework based hollow chalcogenides showed enhanced capacity on employing them as an electrode material for high performance supercapacitors.

10.1039/d2ta08820g article EN Journal of Materials Chemistry A 2023-01-01

The rational synthesis and tailoring of metal–organic frameworks (MOFs) with multifunctional micro/nanoarchitectures have emerged as a subject significant academic interest owing to their promising potential for utilization in advanced energy storage devices. Herein, we explored category three-dimensional (3D) NiCo2S4 nanospikes that been integrated into 1D Fe3C microarchitecture using chemical surface transformation process. resulting electrode materials, i.e., Fe3C@NiCo2S4 nanospikes,...

10.1021/acsami.3c04635 article EN ACS Applied Materials & Interfaces 2023-07-11

A multifunctional 3D magnetic molybdenum trioxide@gold nanosphere is deployed as a plug and play biosensor for SARS-CoV-2 spike proteins via ACE2-mediated immunocapture magnetic-induced nanogap-enhanced Raman scattering (MINERS).

10.1039/d1na00746g article EN cc-by Nanoscale Advances 2022-01-01

This study describes the adsorption behavior of organic inhibitors at aluminum-HCl solution interface and their corrosion inhibition performance. The employed are: 4-(benzo [d]thiazol-2ylthio)phthalonitrile (BTThio) tetrakis[(benzo[d]thiazol-2-yl-thio)phthalo- cyaninato]gallium(III) chloride (ClGaBTThioPc). these is investigated using electrochemical computational techniques. Open circuit potential results reveal predominant cathodic character for mechanism aluminum by inhibitors. Inhibition...

10.3390/molecules24010207 article EN cc-by Molecules 2019-01-08

Colloidal synthesis of photocatalysts with potential to overcome the drawback low photocatalytic efficiency brought by charge recombination and narrow photo-response has been a challenge. Herein, general facile colloidal approach synthesize orthorhombic phase Bi2S3 particles rod flower-like morphology is reported. We elucidate formation growth process mechanisms these synthesized nanocrystals in detail cooperate metallic gold nanoparticles (AuNPs) construct heterostructured photocatalysts....

10.3390/catal11030355 article EN Catalysts 2021-03-09

We outline the synthesis approaches of Ni-utNSs toward improvement in morphology, active structures, efficiency, and stability as well their electrocatalytic mechanism order to achieve clean H 2 production through overall water splitting.

10.1039/d2qm00964a article EN Materials Chemistry Frontiers 2022-11-19

Novel chloroindium(III) complexes of tetra(4-methylthiophenyl)porphyrin (2a) and tetra-2-thienylporphyrin (2b) dyes have been synthesized characterized. The main goal the project was to identify fully symmetric porphyrin with Q-band regions that lie partially in therapeutic window are suitable for use photodynamic therapy (PDT). 2a 2b were found fluorescence quantum yield values [Formula: see text] 0.01 moderately high singlet oxygen yields (0.54−0.73) due heavy atom effects associated...

10.1142/s1088424618501146 article EN Journal of Porphyrins and Phthalocyanines 2019-01-01

Abstract The urea oxidation reaction (UOR) is characterized by a lower overpotential compared to the oxygen evolution (OER) during electrolysis, which facilitates hydrogen (HER) at cathode. Charge distribution, can be modulated introduction of heterostructure, plays key role in enhancing adsorption and cleavage chemical groups within molecules. Herein, facile all‐room temperature synthesis functional heterojunction NiCo 2 S 4 /CoMo grown on carbon cloth (CC) presented, as‐prepared electrode...

10.1002/smll.202410848 article EN Small 2025-01-14

<title>Abstract</title> Electrocatalytic seawater splitting seems to be the most promising and urgent demand strategy for clean hydrogen energy production. Utilizing low-cost electrocatalysts is pivotal in economy, as can made highly efficient more economical. To meet these expectations, we proposed using lithium-ion battery waste, black carbon mass left over from hydrometallurgical metal recovery, an stable electrocatalyst oxygen evolution reaction (OER) performed alkaline media. The...

10.21203/rs.3.rs-5975431/v1 preprint EN cc-by Research Square (Research Square) 2025-02-10

Ball-type phthalocyanines containing heavy central metals show enhanced nonlinear optical behaviour in solution or when embedded polymer thin films. Time dependent density functional theory (TD-DFT) calculations were used to explain the spectra.

10.1039/c6nj03662g article EN New Journal of Chemistry 2017-01-01

Chains of alternating semiconductor nanocrystals are complex nanostructures that can offer control over photogenerated charge carriers dynamics and quantized electronic states. We develop a simple one-pot colloidal synthesis Cu1.94S-CdS Cu1.94S-ZnS nanochains exploiting an equilibrium driving ion exchange mechanism. The chain length the heterostructures be tuned using concentration dependent cation mechanism controlled by precursor concentrations, which enables monodisperse uniform...

10.1021/acsami.1c18020 article EN ACS Applied Materials & Interfaces 2021-12-06
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