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Article
Bio-polymer agar-assisted sol-gel synthesis and electrochemical characterization of bi-pyramidal LiNi0.8Co0.1Mn0.1O2 cathode materials for lithium-ion batteries
The bi-pyramidal shape of LiNi0.8Co0.1Mn0.1O2/C was achieved via a sol-gel technique aided by agar. The agar-assisted procedure resulted in bi-pyramidal-shaped particles with less agglomeration and less cation mi...
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Article
Facile sol-gel synthesis of LiMn0.5Fe0.5PO4 cathode materials fostered by bio-derived natural agar
Olivine-structured LiMn0.5Fe0.5PO4 cathode materials were successfully synthesized via the bio-derived agar-assisted sol-gel method. Rietveld analysis revealed that the structure of the synthesized materials was ...
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Article
Effects of precursor composition on morphology and microstructure of hybrid organic–inorganic perovskite solar cells
The effects of compositions on the crystalline structures, microstructures and optical characteristics of perovskite CH3NH3PbI3 films were investigated via varying the molar ratios of CH3NH3I (MAI) to PbI2 in the...
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Article
(Ag,Cu)(In,Ga)Se2 thin films fabricated on flexible substrates via non-vacuum process
(Ag,Cu)(In,Ga)Se2 thin films with various contents of silver ions were successfully fabricated on the stainless steel substrates using the non-vacuum spin-coating process. The solar cells with the stainless steel...
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Article
Effects of sputtering conditions on the photovoltaic properties of Al-doped zinc oxide films for Cu(In,Ga)Se2 thin-film solar cells
This study aimed to elucidate the effects of sputtering conditions on the optical and electrical properties of AZO films prepared via a RF-magnetron sputtering. A rise in the substrate temperatures promoted th...
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Article
Open AccessCorrection: Corrigendum: Synthesis of Sr2Si5N8: Ce3+ phosphors for white LEDs via efficient chemical vapor deposition
Scientific Reports 7: Article number: 45832; published online: 31 March 2017; updated: 11 July 2017. The original version of this Article contained typographical errors in the title, where: “Synthesis of Sr2Si...
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Article
Photoluminescence and cathodoluminescence properties of green–red emitting ZnGd4Si3O13: Tb3+, Mn2+ phosphors
The photoluminescence and cathodoluminescence properties of new silicate oxyapatite phosphors ZnGd4Si3O13: Tb3+, Mn2+ were investigated in this study. The Rietveld refinement indicated that the prepared phosphors...
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Article
Open AccessSynthesis of Sr2Si5N8:Ce3+ phosphors for white LEDs via efficient chemical vapor deposition
Novel chemical vapor deposition (CVD) process was successfully developed for the growth of Sr2Si5N8:Ce3+ phosphors with elevated luminescent properties. Metallic strontium was used as a vapor source for producing...
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Article
Formation process and photovoltaic properties of Cu(In,Ga)Se2 and (Ag,Cu)(In,Ga)Se2 on flexible stainless steel substrates formed at different selenization temperatures
Cu(In,Ga)Se2 (CIGS) and (Ag,Cu)(In,Ga)Se2 (ACIGS) films were successfully fabricated on stainless steel substrates using the non-vacuum spin-coating process followed by the selenization process. As the selenizati...
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Article
Influence of the selenium-vapor flow-rate in the photovoltaic properties of Cu(In, Ga)Se2 thin films prepared via a solution coating process
The influence of selenium-vapor flow-rates in the microstructure and photovoltaic characteristics of Cu(In, Ga)Se2 films prepared using a solution coating process was investigated in this study. An increase in th...
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Article
Open AccessStructural evaluations and temperature dependent photoluminescence characterizations of Eu3+-activated SrZrO3 hollow spheres for luminescence thermometry applications
This research is focused on the temperature sensing ability of perovskite SrZrO3:Eu3+ hollow spheres synthesized via the sol-gel method followed by heating. The Rietveld refinement indicated that the precursors a...
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Article
Characterization of Cu2ZnSnSe4 (CZTSe) nanoparticles synthesized via solvothermal method for solar cell applications
Stannite Cu2ZnSnSe4 (CZTSe) nanoparticles were synthesized using a simple solvothermal process at low temperatures using ethylenediamine as a solvent. The structures and morphologies of CZTSe nanoparticles were ...
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Article
Effects of CBD-derived CdS film thickness on the photovoltaic properties of Cu(In,Ga)Se2 solar cells
This study investigates the effects of the thickness of CdS buffer layers on the photovoltaic properties of Cu(In,Ga)Se2 solar cells. Continuous and dense CdS films were formed with a thickness of 103.7 nm. Incre...
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Article
Preparation and characterization of Cu(In, Ga)Se2 powders via the modified solvothermal route
Cu(In, Ga)Se2 powders were successfully prepared in the solvothermal reaction at 240 °C via using triethanolamine in the solution. The Raman spectrum and the UV–Vis-NIR spectroscopy further confirmed that the obt...
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Article
Open AccessHazardous effect of ZnS nanoparticles on the feeding behaviour, growth and maturation process of the Asian striped catfish, Mystus vittatus (Bloch, 1794)
The Asian striped catfish Mystus vittatus (Bloch) are exposed to ZnS nanoparticles of different concentrations and its impact on feeding behaviour, growth and maturity of the fish is studied. The study reveals th...
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Article
Solution synthesis and characterization of n-type zinc indium selenide films for the buffer layer used in Cu(In,Ga)Se2 solar cells
Zinc indium selenide (ZnIn2Se4) films were successfully prepared via a spin coating process followed by a selenization treatment. The single-phased ZnIn2Se4 derived from spin coated precursors was synthesized on ...
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Article
Preparation and characterization of Cu(In,Ga)Se2 films from nanosized alloy precursors
CuInSe2 films were successfully prepared from the nanoparticles that were synthesized via the chemical reduction reaction. In the chemical reduction process using ethylene glycol as the solvent and NaBH4 as a red...
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Article
Incorporation of selenium ions in solution-processed Cu(In,Ga)Se2 films
Cu(In,Ga)Se2 films were prepared on the molybdenum-coated soda-lime substrate using various processes to incorporate selenium ions. Selenium ion-containing solutions and selenium vapor were both used as the sourc...
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Article
Open AccessCharacterization of photovoltaics with In2S3 nanoflakes/p-Si heterojunction
We demonstrate that heterojunction photovoltaics based on hydrothermal-grown In2S3 on p-Si were fabricated and characterized in the paper. An n-type In2S3 nanoflake-based film with unique 'cross-linked network’ s...
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Article
Preparation of AgIn1−xGaxSe2 films from sol–gel derived precursors via a coating method
AgIn1−xGaxSe2 films were prepared via coating the pastes that contained sol–gel derived precursors and selenium powders, followed by the normal heating process without using H2Se. Pure-phased AgIn1−xGaxSe2 films ...
