Performa Nanogenerator ZnO Nanorods dan PLA pada Substrat Stainless Steel
Abstract
ZnO nanorods dapat digunakan sebagai piezoelektrik nanogenerator untuk energy harvesting. Pada penelitian ini ZnO nanorods (ZnO NRs) disintesis menggunakan metode hydrothermal sederhana pada substrat stainless steel (SS) pada suhu 90oC selama 6 jam dengan konsentrasi ZnO(NO3)2.4H2O 50 mM dan 35 mM Hexamethylenetetramine (HMT). Stainless steel yang lain dilapisi PLA dengan menggunakan metode spin coating dengan kecepatan 3000 rpm selama 20 detik. ZnO nanorods yang dihasilkan kemudian dianalisis dengan XRD dan SEM. Uji performa nanogenerator dilakukan dengan memberi gaya tekan sebesar 6 N/m2 pada ZnO NRs/SS dan PLA/SS kemudian arus dan tegangan diukur menggunakan electrometer dan osiloskop. Dari hasil XRD diperoleh ZnO nanorods yang dihasilkan mempunyai struktur kristal hexagonal wurtzite dengan parameter kisi a=b=3,2413 dan c= 5,1924. Diameter dan panjang ZnO nanorods dari hasil SEM adalah sekitar 81,568 nm dan 386,606 nm. Hasil performa nanogenerator menunjukan arus dan tegangan sebesar 85 nA dan 2,2 V.
Kata Kunci: ZnO nanorods, PolyLactidAcid (PLA), piezoelektrik nanogenerator, stainless steel.Full Text:
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 | Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Malang Website: www.fisika.fmipa.um.ac.id
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