Cecil K. King'ondu

2024

Biomass Nanoarchitectonics of abattoir waste to high coulombic efficient mesoporous carbon materials for supercapacitors

Gabookolwe, M. K., Onisuru, O. R., Odisitse, S., Meijboom, R., Muiva, C. & King'ondu, C. K., Dec 20 2024, In: Journal of Energy Storage. 104, 114541.

Research output: Contribution to journal › Article › peer-review

Fabrication of ZnO nanoparticles using marula (Sclerocarya birrea) leaf extract for catalytic degradation of rhodamine 6 G and methylene blue dyes under UV light irradiation

Khao, T., Gembo, R. O., Odisitse, S. & King'ondu, C. K., 2024, In: Next Materials. 7, 12 p., 100366.

Research output: Contribution to journal › Article › peer-review

Repurposing disposed surgical face masks into activated carbon for efficient sorption of bio recalcitrant malathion pesticide

Gembo, R. O., Msagati, T. A. M., Odisitse, S. & King'ondu, C. K., 2024, In: Discover Chemistry. 1, 26 p., 24.

Research output: Contribution to journal › Article › peer-review

The beneficiation of asphalt waste through conversion into an efficient activated carbon adsorbent for diazinon pesticide, optimized through response surface methodology

Gembo, R. O., Odisitse, S., Msagati, T. A. M. & King'ondu, C. K., Jun 11 2024, In: RSC Sustainability. 2, 7, p. 2026-2042 17 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Unlocking the valorization potential of Rooibos tea waste-derived activated carbon in the adsorptive removal of remazol brilliant blue R dye

Gembo, R. O., Odisitse, S., Msagati, T. A. M. & King'ondu, C. K., 2024, In: Next Sustainability. 4, 16 p., 100054.

Research output: Contribution to journal › Article › peer-review

2022

Corn husk multilayered graphene/ZnO nanocomposite materials with enhanced photocatalytic activity for organic dyes and doxycycline degradation

Sebuso, D. P., Kuvarega, A. T., Lefatshe, K., King'ondu, C. K., Numan, N., Maaza, M. & Muiva, C. M., Jul 2022, In: Materials Research Bulletin. 151, 111800.

Research output: Contribution to journal › Article › peer-review

Green synthesis of multilayer Graphene/ZnO nanocomposite for photocatalytic applications

Sebuso, D. P., Kuvarega, A. T., Lefatshe, K., King'ondu, C. K., Numan, N., Maaza, M. & Muiva, C. M., Apr 15 2022, In: Journal of Alloys and Compounds. 900, 163526.

Research output: Contribution to journal › Article › peer-review

Synergistic power conversion efficiency contribution of counter electrode components in Dye Sensitized Solar Cells

Ngumbi, P. K., Mugo, S. W., Ngaruiya, J. M., Odisitse, S. & King'ondu, C. K., Sept 2022, In: Optical Materials. 131, 112667.

Research output: Contribution to journal › Article › peer-review

2021

Synthesis of bismuth oxyhalide (BiOBr_zI_(1-_z)) solid solutions for photodegradation of methylene dye

King'ondu, C. K., Gembo, R. O., Aoyi, O., Majoni, S., Etale, A. & Odisitse, S., 2021, In: AAS Open Research. 4, 43.

Research output: Contribution to journal › Article › peer-review

Open Access

2019

Fish bladder-based activated carbon/Co₃O₄/TiO₂ composite electrodes for supercapacitors

Sirengo, K., Jande, Y. A. C., Kibona, T. E., Hilonga, A., Muiva, C. & King'ondu, C. K., Jun 15 2019, In: Materials Chemistry and Physics. 232, p. 49-56 8 p.

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Influence of scoria and pumice on key performance indicators of Portland cement concrete

Mboya, H. A., Njau, K. N., Mrema, A. L. & King'ondu, C. K., 2019, In: Construction and Building Materials. 197, p. 444-453

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Specific capacitance–pore texture relationship of biogas slurry mesoporous carbon/MnO2 composite electrodes for supercapacitors

Kibona , T. E., Shao, G., Kim, H. & King'ondu, C. K., 2019, In: Nano-Structures and Nano-Objects. 17, p. 21-33

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

2018

Effect of biogas-slurry pyrolysis temperature on specific capacitance: 1st Africa Energy Materials Conference, 28-31 March 2017

Kibona Enock, T., King'ondu, C. K. & Pogrebnoi, A., 2018, In: Materials Today: Proceedings. 5, 4, Part 2, p. 10611-10620 10 p.

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

End-to-end and side-by-side alignment of short octahedral molecular sieve (OMS-2) nanorods into long microyarn superarchitectures and highly flexible membranes

King'ondu, C. K., Garces, H. F. & Suib, S. L., 2018, In: Nano-Structures and Nano-Objects. 14, p. 49-56 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

4 Citations (Scopus)

The precipitation, growth and stability of mercury sulfide nanoparticles formed in the presence of marine dissolved organic matter

Mazrui, N. M., Seelen, E., King'ondu, C. K., Thota, S., Awino, J., Rouge, J., Zhao, J. & Mason, R. P., 2018, In: Environmental Sciences: Processes and Impacts. 20, 4, p. 642-656 15 p.

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

2017

A review of thermal energy storage designs, heat storage materials and cooking performance of solar cookers with heat storage

Nkhonjera, L., Bello-Ochende, T., John, G. & King'ondu, C. K., 2017, In: Renewable and Sustainable Energy Reviews. 75, p. 157-167 11 p.

Research output: Contribution to journal › Article › peer-review

48 Citations (Scopus)

Biogas-slurry derived mesoporous carbon for supercapacitor applications

Enock, T. K., King'ondu, C. K., Pogrebnoi, A. & Jande, Y. A. C., 2017, In: Materials Today Energy. 5, p. 126-137 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

19 Citations (Scopus)

Measurement of Pozzolanic Activity Index of Scoria, Pumice, and Rice Husk Ash as Potential Supplementary Cementitious Materials for Portland Cement

Mboya, H. A., King'ondu, C. K., Njau, K. N. & Mrema, A. L., 2017, In: Advances in Civil Engineering.

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Status of Biomass Derived Carbon Materials for Supercapacitor Application

Enock, T. K., King'ondu, C. K., Pogrebnoi, A. & Jande, Y. A. C., 2017, In: International Journal of Electrochemistry. 14 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2016

Experimental Investigation of a Finned Pentaerythritol-based Heat Storage Unit for Solar Cooking at 150-200 ̊C

Nkhonjera, L., Kuboth, M., König-Haagen, A., John, G., King'ondu, C. K., Brüggemann, D. & Bello-Ochende, T., Aug 2016, In: Energy Procedia. 93, p. 160-167 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2015

Galactitol as phase change material for latent heat storage of solar cookers: Investigating thermal behavior in bulk cycling

John, G., König-Haagen, A., King'ondu, C. K., Brueggemann, D. & Nkhonjera, L., 2015, In: Solar Energy. 119, p. 415-421 7 p.

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

2014

alpha-MnO2 lattice expansion by rapid temperature ramping: A case of Jahn-Teller distortion

Pahalagedara, L. R., Dharmarathna, S., King'ondu, C. K., Pahalagedara, M. N. & Suib, S. L., 2014, In: Abstracts of Papers of the American Chemical Society. 248

Research output: Contribution to journal › Article › peer-review

Manganese octahedral molecular sieve (OMS-2) catalysts for selective aerobic oxidation of thiols to disulfides

Dharmarathna, S., King'ondu, C. K., Pahalagedara, L., Kuo, C.-H., Zhang, Y. & Suib, S. L., 2014, In: Applied Catalysis B: Environmental. 147, p. 124-131 8 p.

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Microwave-Assisted Hydrothermal Synthesis of α-MnO2: Lattice Expansion via Rapid Temperature Ramping and Framework Substitution

Pahalagedara, L. R., King'ondu, C. K., Dharmarathna, S., Pahalagedara, M. N., Meng, Y.-T., Kuo, C.-H. & Suib, S. L., Sept 4 2014, In: Journal of Physical Chemistry C. 118, 35, p. 20363-20373 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

39 Citations (Scopus)

OMS-2 for Aerobic, Catalytic, One-pot Alcohol OxidationWittig Reactions: Efficient Access to a, b-Unsaturated Esters

Kona, J. R., King'ondu, C. K., Howell, A. R. & Suib, S. L., 2014, In: ChemCatChem. 6, 3, p. 749-752 4 p.

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

X-ray Absorption Spectroscopic Study of a Highly Thermally Stable Manganese Oxide Octahedral Molecular Sieve (OMS-2) with High Oxygen Reduction Reaction Activity

El-Sawy, A. M., King'ondu, C. K., Kuo, C.-H., Kriz, D. A., Guild, C. J., Meng, Y., Frueh, S. J., Dharmarathna, S., Ehrlich, S. N. & Suib, S. L., 2014, In: Chemistry of Materials. 26, 19, p. 5752-5760 9 p.

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

2013

A general approach to crystalline and monomodal pore size mesoporous materials

Poyraz, A. S., Kuo, C.-H., Biswas, S., King'ondu, C. K. & Suib, S. L., 2013, In: Nature Communications. 4

Research output: Contribution to journal › Article › peer-review

161 Citations (Scopus)

Interconnected Carbon Nanosheets Derived from Hemp for Ultrafast Supercapacitors with High Energy

Wang, H., Xu, Z., Kohandehghan, A., Li, Z., Cui, K., Tan, X., Stephenson, T. J., King'ondu, C. K., Holt, C. M. B., Olsen, B. C., Tak, J. K., Harfield, D., Anyia, A. O. & Mitlin, D., 2013, In: ACS Nano. 7, 6, p. 5131-5141 11 p.

Research output: Contribution to journal › Article › peer-review

692 Citations (Scopus)

Nano-sized manganese oxide-bovine serum albumin was synthesized and characterized. It is promising and biomimetic catalyst for water oxidation (vol 2, pg 11253, 2012)

Najafpour, M. M., Sedigh, D. J., King'ondu, C. K. & Suib, S. L., 2013, In: RSC Advances. 3, 48, p. 26470 1 p.

Research output: Contribution to journal › Article › peer-review

Nano-size layered manganese-calcium oxide as an efficient and biomimetic catalyst for water oxidation under acidic conditions: comparable to platinum

Najafpour, M. M., Leonard, K. C., Fan, F.-R. F., Tabrizi, M. A., Bard, A. J., King'ondu, C. K., Suib, S. L., Haghighi, B. & Allakhverdiev, S. I., 2013, In: Dalton Transactions. 42, 14, p. 5085-5091 7 p.

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

2012

Catalytic oxidation of ethylene at low temperatures using porous copper manganese oxides

Njagi, E. C., Genuino, H. C., King'ondu, C. K., Dharmarathna, S. & Suib, S. L., 2012, In: Applied Catalysis A: General. 421, p. 154-160 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

28 Citations (Scopus)

Direct Sonochemical Synthesis of Manganese Octahedral Molecular Sieve (OMS-2) Nanomaterials Using Cosolvent Systems, Their Characterization, and Catalytic Applications

Dharmarathna, S., King'ondu, C. K., Pedrick, W., Pahalagedara, L. & Suib, S. L., 2012, In: Chemistry of Materials. 24, 4, p. 705-712 8 p.

Research output: Contribution to journal › Article › peer-review

92 Citations (Scopus)

Effects of visible and UV light on the characteristics and properties of crude oil-in-water (O/W) emulsions

Genuino, H. C., Horvath, D. T., King'ondu, C. K., Hoag, G. E., Collins, J. B. & Suib, S. L., 2012, In: Photochemical and Photobiological Sciences. 11, 4, p. 692-702 11 p.

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Efficient Oxidation of 2,3,6-Trimethyl Phenol using Non-Exchanged and H+ Exchanged Manganese Oxide Octahedral Molecular Sieves (K-OMS-2 and H-K-OMS-2) as Catalysts

Opembe, N. N., King'ondu, C. K. & Suib, S. L., 2012, In: Catalysis Letters. 142, 4, p. 427-432 6 p.

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Facile microwave accelerated hydrothermal synthesis of manganese oxide molecular sieve nanomaterials and their catalytic applications

Dharmarathna, S., Iyer, A., Li, N., King'ondu, C. K., Kuo, C.-H., Pahalagedara, L. & Suib, S. L., 2012, In: Abstracts of Papers of the American Chemical Society. 244

Research output: Contribution to journal › Article › peer-review

Water Oxidation Catalysis using Amorphous Manganese Oxides, Octahedral Molecular Sieves (OMS-2), and Octahedral Layered (OL-1) Manganese Oxide Structures

Iyer, A., Del-Pilar, J., King'ondu, C. K., Kissel, E., Garces, H. F., Huang, H., El-Sawy, A. M., Dutta, P. K. & Suib, S. L., 2012, In: Journal of Physical Chemistry C. 116, 10, p. 6474-6483 10 p.

Research output: Contribution to journal › Article › peer-review

231 Citations (Scopus)

2011

Light-Assisted Synthesis of Metal Oxide Heirarchical Structures and Their Catalytic Applications

King'ondu, C. K., Iyer, A., Njagi, E. C., Opembe, N., Genuino, H., Huang, H., Ristau, R. A. & Suib, S. L., 2011, In: Journal of the American Chemical Society. 133, 12, p. 4186-4189 4 p.

Research output: Contribution to journal › Article › peer-review

67 Citations (Scopus)

Manganese Oxide Octahedral Molecular Sieves (OMS-2) Multiple Framework Substitutions: A New Route to OMS-2 Particle Size and Morphology Control

King'ondu, C. K., Opembe, N., Chen, C.-H., Ngala, K., Huang, H., Iyer, A., Garces, H. F. & Suib, S. L., 2011, In: Advanced Functional Materials. 21, 2, p. 312-323 12 p.

Research output: Contribution to journal › Article › peer-review

125 Citations (Scopus)

Nonthermal Synthesis of Three-Dimensional Metal Oxide Structures under Continuous-Flow Conditions and Their Catalytic Applications

King'ondu, C. K., Opembe, N. N., Genuino, H. C., Garces, H. F., Njagi, E. C., Iyer, A., Huang, H., Dharmarathna, S. & Suib, S. L., 2011, In: Journal of Physical Chemistry C. 115, 47, p. 23273-23282 10 p.

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Preferential oxidation of CO in H-2-rich feeds over mesoporous copper manganese oxides synthesized by a redox method

Njagi, E. C., Genuino, H. C., King'ondu, C. K., Chen, C.-H., Horvath, D. & Suib, S. L., 2011, In: International Journal of Hydrogen Energy. 36, 11, p. 6768-6779 12 p.

Research output: Contribution to journal › Article › peer-review

43 Citations (Scopus)

Pyrolytic Decomposition of Ammonia Borane to Boron Nitride

Frueh, S. J., Kellett, R., Mallery, C., Molter, T., Willis, W. S., King'ondu, C. K. & Suib, S. L., 2011, In: Inorganic Chemistry. 50, 3, p. 783-792

Research output: Contribution to journal › Article › peer-review

Open Access

140 Citations (Scopus)

2010

Microwave-Assisted Synthesis of Manganese Oxide Octahedral Molecular Sieve (OMS-2) Nanomaterials under Continuous Flow Conditions

Opembe, N. N., King'ondu, C. K., Espinal, A. E., Chen, C.-H., Nyutu, E. K., Crisostomo, V. M. & Suib, S. L., 2010, In: Journal of Physical Chemistry C. 114, 34, p. 14417-14426 10 p.

Research output: Contribution to journal › Article › peer-review

47 Citations (Scopus)

Microwave-assisted synthesis of manganese oxide octahedral molecular sieves: Effects of flow rates, power delivery, and solvent system

Opembe, N. N., King'ondu, C. K. & Suib, S. L., 2010, In: Abstracts of Papers of the American Chemical Society. 240

Research output: Contribution to journal › Article › peer-review

Nanoscale manganese oxide octahedral molecular sieves (OMS-2) as efficient photocatalysts in 2-propanol oxidation

Iyer, A., Galindo, H., Sithambaram, S., King'ondu, C. K., Chen, C.-H. & Suib, S. L., 2010, In: Applied Catalysis A: General. 375, 2, p. 295-302 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

78 Citations (Scopus)

Oxidation of 2,3,6-trimethylphenol (TMP) using manganese oxide octahedral molecular sieves (OMS-2)

Opembe, N. N., King'ondu, C. K. & Suib, S. L., 2010, In: Abstracts of Papers of the American Chemical Society. 240

Research output: Contribution to journal › Article › peer-review

Single-step synthesis of manganese oxide octahedral molecular sieves with large pore sizes

Huang, H., Chen, C.-H., Xu, L., Genuino, H. C., Garcia-Martinez, J., Garces, H. F., Jin, L., King'ondu, C. K. & Suib, S. L., 2010, In: Chemical Communications. 46, 32, 0.1039/c0cc00624f.

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

2009

Green Decomposition of Organic Dyes Using Octahedral Molecular Sieve Manganese Oxide Catalysts

Sriskandakumar, T., Opembe, N. N., Chen, C.-H., Morey, A., King'ondu, C. K. & Suib, S. L., 2009, In: Journal of Physical Chemistry A. 113, p. 1523-1530

Research output: Contribution to journal › Article › peer-review

Open Access

88 Citations (Scopus)

King'ondu Cecil K.

Research output

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