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- 저자 : Kamaruzzaman Sopian (검색결과 4 건)
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Performance evaluation of maximum light detection solar tracking system in the tropics
Ahmad Fazlizan,Ahmed Abdulmula,Akmal Naim Amran,Chin Haw Lim,Kamaruzzaman Sopian 대한기계학회 2019 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.33 No.3
In this paper, a performance analysis of a photovoltaic (PV) tracking system is conducted, to evaluate its performance based on field data measurement. A dual-axis tracker with smart algorithms called maximum light detection (MLD) applied in the solar energy generation system is analyzed. In a tropical country that having a massive cloud cover throughout the year, the sky condition is categorized as sunny, intermittent and gloomy. The comparative results show that the system with MLD tracker improved the energy generation significantly all sky conditions.
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Performance assessment of Cu2SnS3 (CTS) based thin film solar cells by AMPS-1D
Ejarder Sabbir Hossain,Puvaneswaran Chelvanathan,Seyed Ahmad Shahahmadi,Kamaruzzaman Sopian,Badariah Bais,Nowshad Amin 한국물리학회 2018 Current Applied Physics Vol.18 No.1
A relative performance assessment of copper tin sulfide (CTS) thin film solar cells with different phases such as, cubic, tetragonal, and orthorhombic as an absorber layer has been carried out by AMPS-1D simulation software. Based on the proposed device architecture, the effects of thickness and carrier concentration for the absorber layer as well as the back metal contact with various work function are studied in order to improve the performance of CTS solar cell. It is found that 1018 cm3 and 2500 e3000 nm are optimum values for carrier concentration and thickness for all the investigated CTS absorber layer phases, respectively. On the other hand, back contact metal work function of 5.28 eV, 5.67 eV and 5.71 eV are identified to be the optimal values for cubic, tetragonal, and orthorhombic phases, respectively. We have analyzed in detail the output performance of CTS thin film solar cell with respect to its fabrication, which can serve a constructive research pathway for the thin film photovoltaic industry.
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Chowdhury, Towhid H.,Kaneko, Ryuji,Kayesh, Md. Emrul,Akhtaruzzaman, Md.,Sopian, Kamaruzzaman Bin,Lee, Jae-Joon,Islam, Ashraful Elsevier 2018 Materials Letters Vol.223 No.-
<P><B>Abstract</B></P> <P>In this letter, we report on nanostructured NiO<SUB>x</SUB> with particle size ∼85 nm as an efficient hole transport material (HTM) for low temperature processed inverted planar perovskite solar cell (PSC) with power conversion efficiency of 15.64%. The homogenous NiO<SUB>x</SUB> HTM layer facilitated the growth of high quality CH<SUB>3</SUB>NH<SUB>3</SUB>PbI<SUB>3</SUB> absorber with large crystal grains and the resulting PSC showed stable photovoltaic performance under continuous illumination.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Nanostructured NiO<SUB>x</SUB> has been synthesized. </LI> <LI> Low temperature PSCs showed power conversion efficiency of 15.64% with NiO<SUB>x</SUB> HTMs. </LI> <LI> The PSC showed stable performance under continuous illumination in 30 days. </LI> </UL> </P>
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Muneer M. Ba-Abbad,Abdul Amir H. Kadhum,Abu Bakar Mohamad,Mohd S. Takriff,Kamaruzzaman Sopian 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.1
The experimental conditions for the synthesis of ZnO nanoparticles to produce minimal size were optimized using the D-optimal design. The influence of process parameters involves molar ratio of the starting materials, pH and the calcination temperature on the particle size were evaluated using the polynomial regression. The optimum conditions revealed by the model for obtaining a minimum particle size of ZnO were predicted to have a molar ratio of 1.76, pH of 1.50 and calcination at 402.2 8C. The obtainable particle size upon applying the model is 22.9 nm in compare to experimental result of 18 2 nm was obtained.
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