ENHANCEMENT OF POWER CONVERSION EFFICIENCY OF DYE-SENSITIZED SOLAR CELLS VIA INCORPORATION OF GAN SEMICONDUCTOR MATERIAL SYNTHESIZED IN HOT-WALL  CHEMICAL VAPOR DEPOSITION FURNACE

O. Toktarbaiuly; M. Baisariyev; A. Kaisha; T.S. Duisebayev; N.Kh. Ibrayev; T.M. Serikov; M.K. Ibraimov; B.A. Khaniyev; Y.Zh. Tezekbay; A.N. Zhambyl; N. Nuraje; G.K. Sugurbekova

doi:10.31489/2024No4/131-139

Authors

DOI:

https://doi.org/10.31489/2024No4/131-139

Keywords:

power conversion, semiconductor, dye, TiO2, GaN

Abstract

This study discusses the results of plasma enhanced chemical vapor deposition synthesis of GaN on sapphire and silicon substrates using specific parameters: a forward output voltage of 150 watts, a N₂ gas flow rate of 60 standard cubic centimeters per minute, a chamber pressure of 2.48 mmHg, and a synthesis time of 2hours. Characterization by scanning electron microscope, Raman and energy dispersive X-ray revealed the non-stoichiometric formation of GaN, with Ga clearly predominating in the composition. scanning electron microscope analysis of the substrate surface morphology revealed the presence of small islands, which are considered to be the first step in the chemical vapor deposition process. The research also examined the effects of incorporating GaN into the photoanode of dye-sensitized solar cells. The study investigated the optimal amount of GaN powder in the TiO₂ matrix. The initial experiments used commercial GaN powder to determine the optimal weight percentage. Four different weight percentages (wt%) 10 wt%, 20 wt%, 30wt % and 40 wt% GaN were selected for the study. Among them, the 20 wt% GaN had the highest power conversion efficiency of 0.75%. The fill factor values showed a tendency to decrease as the weight fraction of GaN increased.

Author's detail

O. Toktarbaiuly

Toktarbaiuly, Olzat. – PhD, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan; ORCID iD: 0000-0003-4594-3435; olzat.toktarbaiuly@nu.edu.kz

M. Baisariyev

Baisariyev, Murat K. – Master (Sci.), National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan; ORCID iD: 0009-0001-9209-1768, murat.baisariyev@nu.edu.kz

A. Kaisha

Kaisha, Aitkazy. – PhD, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan; ORCID iD: 0000-0001-7203-9842 ; kaishaa@tcd.ie

T.S. Duisebayev

Duisebayev, Tolagay S. – Master (Sci.), Department of Physics and Technology, Al-Farabi Kazakh National University, Almaty, Kazakhstan; ORCID iD: 0000-0002-4992-0495; tola.d@yandex.ru

N.Kh. Ibrayev

Ibrayev, Niyazbek Kh. – Doctor of Phys. and Math. Sciences, Professor, Director of the Institute of Molecular Nanophotonics, E.A. Buketov Karaganda University, Karaganda, Kazakhstan; Scopus Author ID: 9333698600 ; ORCID iD : 0000-0002-5156-5015; niazibrayev@mail.ru

T.M. Serikov

Serikov, Timur M. – PhD, Associate Professor, E.A. Buketov Karaganda University, Karaganda, Kazakhstan; ORCID iD: 0000-0003-4302-9674; serikov-timur@mail.ru

M.K. Ibraimov

Ibraimov, Margulan K. – PhD, Assosiate Professor, Al-Farabi Kazakh National University, Almaty, Kazakhstan; ORCID iD: 0000-0002-8049-3911; margulan.Ibraimov@kaznu.edu.kz

B.A. Khaniyev

Khaniyev, Bakyt A. – PhD, Head of Department of Solid state and Nonlinear Physics, Al-Farabi Kazakh National University, Almaty, Kazakhstan; ORCID iD: 0000-0002-0103-9201; khaniyev.bakyt@gmail.com

Y.Zh. Tezekbay

Tezekbay, Yerbolat Zh. - Master (Sci.), Department of Physics and Technology, Al-Farabi Kazakh National University, Almaty, Kazakhstan; ORCID iD: 0000-0001-7479-6898; yerbolattezekbay@gmail.com

A.N. Zhambyl

Zhambyl, Azamat Nurlanuly - Master (Sci.), Department of Physics and Technology, Al-Farabi Kazakh National University, Almaty, Kazakhstan; ORCID iD: 0009-0005-5340-3262; azamatzhambyl8@gmail.com

N. Nuraje

Nuraje, Nurxat – PhD, Associate Professor, Department of Chemical and Materials Engineering, School of Engineering and Digital Sciences, Head of laboratory “Renewable Energy”, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan; ORCID iD: 0000-0002-4335-8905 ; nurxat.nuraje@nu.edu.kz

G.K. Sugurbekova

Sugurbekova, Gulnar K. – Doctor of Chemical Sciences, Department of Chemistry, Faculty of Natural Sciences, L.N. Gumilyov Eurasian National University, Astana, Kazakhstan; ORCID iD: 0000-0002-6894-7247; gulnar.sugurbekova@nu.edu.kz

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ENHANCEMENT OF POWER CONVERSION EFFICIENCY OF DYE-SENSITIZED SOLAR CELLS VIA INCORPORATION OF GAN SEMICONDUCTOR MATERIAL SYNTHESIZED IN HOT-WALL CHEMICAL VAPOR DEPOSITION FURNACE