Publications

2026

Koech, R., 2026. Enhancing Stability and Efficiency in Perovskite Solar Cells: Insights into Inorganic HTL Deposition and Interface Defect Passivation. Energy Advances.

2025

Meheretu, G.M. & Koech, R., 2025. Techno-economic analysis of local manufacturing of perovskite photovoltaic modules for electricity generation in Ethiopia. Energy Conversion and Management: X.

2024

Koech, R.K., 2024. The recent advancement of outdoor performance of perovskite photovoltaic cells technology.

Koech, R., 2024. Recent trends on the application of phytochemical-based compounds as additives in the fabrication of perovskite solar cells. Energy Advances.

2022

Koech, R.K., et al., 2022. Effects of Polyethylene Oxide Polymer on the photo-physical properties and operational stability of FA-Rich perovskite solar cells. Scientific reports,, 12(12860).

2021

Koech, R.K., et al., 2021. A Study of the Effects of a Thermally Evaporated nanoscale CsBr layer on the Optoelectronic Properties and Stability of Formamidinium-rich Perovskite Solar Cells. AIP Advances, 11(095112).

2020

Bello, A., et al., 2020. Combustion synthesis of battery-type positive electrodes for robust aqueous Hybrid supercapacitor. Journal of Energy storage.

Sanni, D., et al., 2020. The role of hafnium acetylacetonate buffer layer on the performance of lead halide perovskite solar cells derived from dehydrated lead acetate as Pb source. AIP Advances.

Moses, K., et al., 2020. Synthesis and characterization of graphene oxide from locally mined graphite flakes and its supercapacitor applications. Results in Materials.

2019

R.K Koech, M. Kigozi, B.O.S.A.P.A.W., 2019. Recent advances in solar energy harvesting materials with particular emphasis on photovoltaic materials. 2019 IEEE PES/IAS Power Africa Conference.

2017

Koech, R.K., et al., 2017. Assessment of the efficacy and impacts of Agrochemical and Food Company Ltd’s waste water treatment plant on the quality of water in the river Nyando, Kenya.

2016

Koech, R.K., 2016. Effects of Thermal Resistance of encapsulation material on the performance of a Single Pass PV/T Air System.

2014

Koech, R.K., Ondieki, H.O. & Tonui, J.K., 2014. Mathematical Modeling Of Solar Air Collector With A Trapezoidal Corrugated Absorber Plate.

Yegon, G.K., Arusei, G.K. & Koech, R.K., 2014. MOSFET scaling to sub-micron range; analysis of characteristic curves in relation to device parameters.

2013

Koech, R.K., 2013. Photovoltaic/Thermal (PV/T) System as Innovative Solution to Increase Solar Energy Conversion Efficiency.

2012

Koech, R.K., et al., 2012. Performance analysis of a PV/T air system based on heat transfer perspective. Int. J. of Scientific & Engineering Research, 3, p.704–710.

Koech, R.K., et al., 2012. A steady state thermal model for photovoltaic/thermal (PV/T) system under various conditions. Int. J. Sci. Technol. Res, 1, p.1–5.