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Journals / Karaelmas Fen ve Mühendislik Dergisi / 2019 / Cilt: 9 - Sayı: 1

Se Katkılı $Bİ_2Te_3\\$ Nanokristal Materyallerin Sentezi ve Karakterizasyonu

Synthesis and Characterization of Se Doped $Bİ_2Te_3\\$ Nanocrystalline Materials

HAYATİ MAMUR
M.R.A. BHUİYAN
Pages
11–21
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Elde edilen ölçüm sonuçlarına göre nano boyutlarda $Bi_2Te_{24}Se_{0.6}\\$ termoelektrik maddesi elde edilmiştir.

📌 3 Key Takeaways

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Objective & Hypothesis:Bu çalışmada, basit bir kimyasal yol kullanılarak gerçekleştirilen selenyum (Se) katkılı bizmut tellürür $Bİ_2Te_3\\$ nanokristalin malzeme sentezi sunulmuştur.
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Key Findings & Data:Bizmut (III) nitrat pentahidrat Bi $Bİ\left(NO_3\right).5H_2O\\$, tellürür dioksit $TeO_2\\$ ve Se tozu nitrik asit $HNO_3\\$ ile çözülmüştür.
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Conclusion & Impact:Elde edilen ölçüm sonuçlarına göre nano boyutlarda $Bi_2Te_{24}Se_{0.6}\\$ termoelektrik maddesi elde edilmiştir.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Bu çalışmada, basit bir kimyasal yol kullanılarak gerçekleştirilen selenyum (Se) katkılı bizmut tellürür $Bİ_2Te_3\\$ nanokristalin malzeme sentezi sunulmuştur. Bizmut (III) nitrat pentahidrat Bi $Bİ\left(NO_3\right).5H_2O\\$, tellürür dioksit $TeO_2\\$ ve Se tozu nitrik asit $HNO_3\\$ ile çözülmüştür. Burada, sodyum hidroksit NaOH ve sodyum borohidrid $NaBH_4\\$ kullanılarak iki aşamalı birlikte çökeltme kimyasal yolu denenmiştir. Bunun sonucunda, geliştirilen $Bi_2Te_{24}Se_{0.6}\\$ nanokristalin tozları ve peletlerinin ölçümleri için X-ışını kırınımı (XRD), taramalı elektron mikroskopisi (SEM), enerji dağılımlı X-ışını (EDX), transvers elektron mikroskobu (TEM), atomik kuvvet mikroskobu (AFM), ultraviyole absorbansı (UV) ve Fourier dönüşümü kızılötesi spektrometresi (FT-IR) cihazları kullanılmıştır. Elde edilen ölçüm sonuçlarına göre nano boyutlarda $Bi_2Te_{24}Se_{0.6}\\$ termoelektrik maddesi elde edilmiştir.

Özet

In this study, the selenium (Se) doped bismuth telluride $Bİ_2Te_3\\$ nanocrystalline material synthesis by using a simple chemical route was presented. The bismuth (III) nitrate pentahydrate $Bİ\left(NO_3\right).5H_2O\\$, telluride dioxide $TeO_2\\$ and Se powder were dissolved by nitric acid $HNO_3\\$. Herein, the two–step co–precipitation chemical route by using the sodium hydroxide NaOH and sodium borohydride $NaBH_4\\$ was employed. Different types of characterization such as X–ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X–ray (EDX), transmission electron microscopy (TEM), atomic force microscopy (AFM), ultraviolet absorbance (UV) and Fourier transform infrared spectrometry (FT–IR) were occupied to the $Bi_2Te_{24}Se_{0.6}\\$ nanocrystalline powders and pellets which were developed. According to the measurement results, $Bi_2Te_{24}Se_{0.6}\\$ thermoelectric material was obtained in nano dimensions.

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Cite This Article

MAMUR, H., BHUİYAN, M. (2019). Se Katkılı $Bİ_2Te_3\\$ Nanokristal Materyallerin Sentezi ve Karakterizasyonu. Karaelmas Fen ve Mühendislik Dergisi, Cilt: 9 - Sayı: 1, 11–21. https://ajindex.com/articles/165428

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