Ubaidah Syafiq

Ubaidah Syafiq
Universiti Kebangsaan Malaysia | ukm · Solar Energy Research Institute (SERI)

PhD in Material Engineering

About

9
Publications
1,795
Reads
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66
Citations
Citations since 2016
9 Research Items
66 Citations
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2016201720182019202020212022051015202530
2016201720182019202020212022051015202530
Introduction
Studied at the Department of Civil, Environmental and Mechanical Engineering, Università degli Studi di Trento. Does research in Environmental Engineering and Materials Engineering.

Publications

Publications (9)
Article
Full-text available
A major challenge in thermoelectrics (TEs) is developing devices made of sustainable, abundant, and non‐toxic materials. Furthermore, the technological drive toward low sizes makes crucial the study of nano and micro configurations. In this work, thin film TE devices based on p‐type Cu2+xZn1‐xSnS4 and Cu2+xZn1‐xSnSe4, and n‐type AlyZn1‐yO are fabri...
Article
Full-text available
In this work, Cu/Zn/Sn-based ternary and quater-nary chalcogenides inks were synthesized via hot injection and/or from ball-milled powders. The synthesized inks were used to fabricate thermoelectric generators (TEGs) based on p-type chalcogenide and n-type aluminum-doped zinc oxide (AZO) thin films via spin-coating and magnetron sputtering, respect...
Article
Full-text available
Chalcogenide, tin selenide-based thermoelectric (TE) materials are Earth-abundant, nontoxic, and are proven to be highly stable intrinsically with ultralow thermal conductivity. This work presented an updated review regarding the extraordinary performance of tin selenide in TE applications, focusing on the crystal structures and their commonly used...
Article
The demand for a reliable alternative renewable energy is skyrocketing given the detrimental effect of conventional energy sources on the environment and its rapidly depleting global supply. While Cu2ZnSnS4 (CZTS)-based photovoltaic devices have gained a foothold through enhanced energy conversion efficiency, efforts are still required to further b...
Article
Correction for ‘Thermoelectric properties of CZTS thin films: effect of Cu–Zn disorder’ by E. Isotta et al. , Phys. Chem. Chem. Phys. , 2021, DOI: 10.1039/d1cp01327k.
Article
Full-text available
Cu-Zn disorder is known to deeply affect kesterite (Cu2ZnSnS4, CZTS) due to the low temperature order-disorder phase transition, leading to a random occupation of the two cations in the shared crystallographic planes. This defect complex has been extensively studied in the thin film photovoltaic sector, with considerable efforts in developing metho...
Article
Power conversion efficiency of perovskite solar cells (PSC) has improved around 500% in less than five years, with the current highest recorded efficiency of a standalone PSC of 25.2%. One of the significant components of PSCs that contribute to this improvement is the transport layer, necessary in the separation and injection of charge carriers. O...
Article
Full-text available
Cu 2 ZnSnS 4 (CZTS) ink was synthesized from metal chloride precursors, sulfur, and oleylamine (OLA), as a ligand by a simple and low-cost hot-injection method. Thin films of CZTS were then prepared by spin coating, followed by thermal annealing. The effects of the fabrication parameters, such as ink concentration, spinning rate, and thermal treatm...

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