PENGARUH VARIASI MOL AWAL ATOM NITROGEN ( N ) TERHADAP KRISTALINITAS, UKURAN PARTIKEL, KARAKTER MIKROSTRUKTUR, DAN SIFAT OPTIK PADA ZnO(1-x)Nx

Maria Luisella Anadya Putri Chrisberta, Universitas Negeri Yogyakarta, Indonesia
Hari Sutrisno, Universitas Negeri Yogyakarta, Indonesia

Abstract


Penelitian ini bertujuan untuk mengetahui pengaruh variasi konsentrasi awal mol atom nitrogen terhadap  (1) kristalinitas, ukuran partikel, (2) karakteristik mikrostruktur, dan (3) sifat optik (band gap) ZnO(1-x)Nx. yang disintesis dengan metode hidrotermal.

Sintesis ZnO(1-x)Nx dilakukan dengan menggunakan prekursor Zn yaitu seng asetat dihidrat dan urea untuk prekursor nitrogen. Variasi konsentrasi mol awal nitrogen dilakukan dengan nilai x= 0; 0,05; 0,08; 0,1; 0,15 dengan proses hidrotermal yang dilakukan pada suhu 150℃ selama 6 jam,  diikuti oleh kalsinasi pada temperatur 400℃ dengan waktu 1 jam. Selanjutnya, pengaruh variasi konsentrasi mol awal nitrogen dipelajari dengan  mengamati kristalinitas, ukuran partikel, karakter mikrostruktur dan sifat optik menggunakan instrumen X-ray Diffraction (XRD) dan UV-Vis Diffuse  Reflectance Spectroscopy (UV-Vis DRS).

Hasil penelitian ini menunjukkan: (1) seluruh sampel ZnO(1-x)Nx memiliki fasa wurtzite, sistem kristal hexagonal dengan grup ruang P63mc. Grafik tren kristalinitas naik dan grafik ukuran partikel turun lalu naik kembali seiring bertambahnya mol nitrogen. Sampel optimal pada ZnO 0,1 dengan nilai % kritalinitas sebesar 89,2% dan ukuran partikel sebesar 28,02 nm, (2) penambahan konsentrasi mol nitrogen terbukti terpengaruh terhadap karakter mikrostruktur. Variasi optimal pada sampel ZnO 0,1, dengan nilai a=b= 3,251 Å  c= 5,2072 Å, volume sel sebesar 47,66 Å3, dan panjang ikatan Zn – O ax. 1.9791 Å dan eq. 1.9772 Å, (3) semua sampel memiliki jenis transisi energi celah pita langsung (direct) dimana semakin tinggi konsentrasi awal mol nitrogen yang ditambahkan menyebabkan naiknya pita valensi sehingga energi celah pita semakin kecil, variasi optimal pada sampel ZnO 0,1 (x= 0,1) dengan energi celah pita sebesar 3,17 eV dan panjang gelomang sebesar 390,31 nm. Sehingga terbukti penambahan konsentrasi mol nitrogen dapat mempengaruhi sifat optik ZnO(1-x)Nx.

Kata kunci: Hidrotermal, doping, mikrostruktur, sifat optik, ZnO


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References


M. Lowry, R. Michaely, and E. Volkova, “Initial Public Offerings: a synthesis of the literature and directions for future research,” Foundations and Trends® in Finance, vol. 11, no. 3–4, pp. 154–320, Jan. 2017, doi: 10.1561/0500000050.

A. Wibowo et al., “ZnO nanostructured materials for emerging solar cell applications,” RSC Advances, vol. 10, no. 70, pp. 42838–42859, Jan. 2020, doi: 10.1039/d0ra07689a.

K. Qi, B. Cheng, J. Yu, and W. Ho, “Review on the improvement of the photocatalytic and antibacterial activities of ZnO,” Journal of Alloys and Compounds, vol. 727, pp. 792–820, Aug. 2017, doi: 10.1016/j.jallcom.2017.08.142.

L. K. Jangir, Y. Kumari, A. Kumar, M. Kumar, and K. Awasthi, “Investigation of luminescence and structural properties of ZnO nanoparticles, synthesized with different precursors,” Materials Chemistry Frontiers, vol. 1, no. 7, pp. 1413–1421, Jan. 2017, doi: 10.1039/c7qm00058h.

M. Mapa and C. S. Gopinath, “Combustion Synthesis of Triangular and Multifunctional ZnO1−xNx (x ≤ 0.15) Materials,” Chemistry of Materials, vol. 21, no. 2, pp. 351–359, Dec. 2008, doi: 10.1021/cm803048h.

S. Swify, R. Mažeika, J. Baltrusaitis, D. Drapanauskaitė, and K. Barčauskaitė, “Review: Modified urea Fertilizers and their Effects on Improving Nitrogen Use Efficiency (NUE),” Sustainability, vol. 16, no. 1, p. 188, Dec. 2023, doi: 10.3390/su16010188.

Y. Tong et al., “Growth of ZnO Nanostructures with Different Morphologies by Using Hydrothermal Technique,” The Journal of Physical Chemistry B, vol. 110, no. 41, pp. 20263–20267, Sep. 2006, doi: 10.1021/jp063312i.

H. Bahtoun, L. Hadjeris, S. Iaiche, and T. D. Ounis, “Effect of ZNO nanoparticles salt precursors on structural, morphological, optical and MB photocatalytic properties using hydrothermal synthesis,” Journal of Nano Research, vol. 77, pp. 87–104, Mar. 2023, doi: 10.4028/p-82qxbi.

T. Ahmad, V. Pandey, M. S. Husain, N. Adiba, and S. Munjal, “Structural and spectroscopic analysis of pure phase hexagonal wurtzite ZnO nanoparticles synthesized by sol-gel,” Materials Today Proceedings, vol. 49, pp. 1694–1697, Aug. 2021, doi: 10.1016/j.matpr.2021.07.456.

M. Cai, A. Shui, X. Wang, C. He, J. Qian, and B. Du, “A facile fabrication and high-performance electromagnetic microwave absorption of ZnO nanoparticles,” Journal of Alloys and Compounds, vol. 842, p. 155638, May 2020, doi: 10.1016/j.jallcom.2020.155638.

Jadhav, A. Jadkar, N. Mote, S. Tamse, A. Gosar, and D. Mahajan, “Impact of preferred orientation and strain on olopetadine HCL by using XRD technique,” Asian Journal of Applied Chemistry Research, vol. 14, no. 4, pp. 17–22, Nov. 2023, doi: 10.9734/ajacr/2023/v14i4273.

E. F. Purnama, “Pengaruh suhu reaksi terhadap derajat kristalinitas dan komposisi hidroksiapatit dibuat dengan media air dan cairan tubuh buatan (Synthetic Body Fluid),” Jurnal Sains Materi Indonesia, pp. 154–159, Jan. 2006, doi: 10.17146/jusami.2006.0.0.5078.

U. Holzwarth and N. Gibson, “The Scherrer equation versus the ‘Debye-Scherrer equation,’” Nature Nanotechnology, vol. 6, no. 9, p. 534, Aug. 2011, doi: 10.1038/nnano.2011.145.

O. N. Khrykina, A. P. Dudka, N. B. Bolotina, N. Y. Shitsevalova, and N. E. Sluchanko, “Rare earth dodecaborides: still cubic or not?,” Acta Crystallographica Section a Foundations and Advances, vol. 77, no. a2, p. C965, Aug. 2021, doi: 10.1107/s0108767321087341.

H. A. Rashed and N. M. Umran, “The stability and electronic properties of Si-doped ZnO nanosheet: a DFT study,” Materials Research Express, vol. 6, no. 4, p. 045044, Dec. 2018, doi: 10.1088/2053-1591/aaf91e.

F. Claeyssens, C. L. Freeman, N. L. Allan, Y. Sun, M. N. R. Ashfold, and J. H. Harding, “Growth of ZnO thin films—experiment and theory,” Journal of Materials Chemistry, vol. 15, no. 1, pp. 139–148, Dec. 2004, doi: 10.1039/b414111c.

R. Kumari, A. Sahai, and N. Goswami, “Effect of nitrogen doping on structural and optical properties of ZnO nanoparticles,” Progress in Natural Science Materials International, vol. 25, no. 4, pp. 300–309, Aug. 2015, doi: 10.1016/j.pnsc.2015.08.003.

K. Jindal, M. Tomar, R. S. Katiyar, and V. Gupta, “Raman scattering and photoluminescence investigations of N doped ZnO thin films: Local vibrational modes and induced ferromagnetism,” Journal of Applied Physics, vol. 120, no. 13, Oct. 2016, doi: 10.1063/1.4964257.

N. Kamarulzaman, M. F. Kasim, and R. Rusdi, “Band gap narrowing and widening of ZNO nanostructures and doped materials,” Nanoscale Research Letters, vol. 10, no. 1, Aug. 2015, doi: 10.1186/s11671-015-1034-9.

V. Kumari, A. Mittal, J. Jindal, S. Yadav, and N. Kumar, “S-, N- and C-doped ZnO as semiconductor photocatalysts: A review,” Frontiers of Materials Science, vol. 13, no. 1, pp. 1–22, Feb. 2019, doi: 10.1007/s11706-019-0453-4.

M. Hirai and A. Kumar, “Effect of nitrogen doping on bonding state of ZnO thin films,” Journal of Vacuum Science & Technology a Vacuum Surfaces and Films, vol. 25, no. 6, pp. 1534–1538, Sep. 2007, doi: 10.1116/1.2778687.


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