?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+KOMPOSISI+x+TERHADAP+STRUKTUR+KRISTAL+DAN%0D%0ASIFAT+LISTRIK+PADA+BAHAN+KATODE+NaxFeSiO4+(x+%3D+0%2C5%3B+1%3B+1%2C5%3B+2)%0D%0ABATERAI+SODIUM+BERBASIS+SILIKA+SEKAM+PADI&rft.creator=AYU+ASTIKA%2C+1517041027&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=Studi+ini+bertujuan+untuk+menganalisis+pengaruh+komposisi+x+pada+katode%0D%0ANaxFeSiO4+(x+%3D+0%2C5%3B+1%3B+1%2C5%3B+2)+berbasis+silika+sekam+padi+terhadap+struktur+kristal%0D%0Adan+sifat+listriknya.+Sampel+NaxFeSiO4+dibuat+silika+yang+berasal+sekam+padi%2C%0D%0AFe(NO3)3.9H2O%2C+dan+NaOH+menggunakan+metode+sol-gel+dengan+komposisi+Na%0D%0Asebanyak+0%2C5%3B+1%3B+1%2C5%3B+2+mol.+Kemudian+disinter+pada+suhu+700+%C2%B0C+dan+ditahan%0D%0Aselama+10+jam.+Struktur+kristal+dikarakterisasi+menggunakan+X-Ray+Diffraction%0D%0A(XRD)%2C+gugus+fungsi+dikarakterisasi+menggunakan+Fourier+Transform+Infrared%0D%0A(FTIR)%2C+energi+band+gap+diuji+menggunakan+Ultraviolet+Visible+Diffuse+Reflection%0D%0A(UV-Vis)%2C+dan+konduktivitas+listrik+diuji+menggunakan+LCR-meter.+Hasil%0D%0Akarakterisasi+FTIR+menunjukkkan+adanya+puncak+serapan+yang+berasal+dari+ikatan%0D%0ASi-O-Si%2C+Fe-O%2C+dan+O-Na-O.+Selanjutnya%2C+hasil+pengujian+XRD+mengindikasikan%0D%0Akehadiran+fasa+Fe2O3%2C+Fe2SiO4+dan+NaO2+pada+sampel+Na0%2C5FeSiO4+dan+NaFeSiO4%2C+sedangkan+pada+sampel+Na1%2C5FeSiO4+dan+Na2FeSiO4+menunjukkan+kehadiran+fasa%0D%0ANa2FeSiO4%2C+SiO2%2C+dan+Na2SiO3.+Pada+sampel+Na0%2C5FeSiO4+dan+NaFeSiO4%0D%0Adidominasi+oleh+fasa+Fe2O3%2C+sedangkan+pada+sampel+Na1%2C5FeSiO4+dan+Na2FeSiO4%0D%0Adidominasi+oleh+fasa+Na2FeSiO4.+Seiring+dengan+bertambahnya+komposisi+Na%2C%0D%0Afasa+Fe2O3+akan+semakin+menurun+dan+fasa+Na2FeSiO4+akan+semakin+dominan%0D%0Akeberadaannya+di+dalam+sampel.+Sementara+itu%2C+hasil+pengujian+UV-Vis+DRS%0D%0Amenunjukkan+nilai+energi+band+gap+ganda+pada+sampel+Na0%2C5FeSiO4+yaitu+2%2C03+eV%0D%0Adan+2%2C23+eV%2C+pada+sampel+NaFeSiO4+yaitu+1%2C97+eV+dan+2%2C19+eV+serta+pada+sampel%0D%0ANa1%2C5FeSiO4+yaitu+2%2C15+eV+dan+2%2C44+eV.+Pada+sampel+Na2FeSiO4+dihasilkan+energi%0D%0Aband+gap+tunggal+yaitu+2%2C11+eV.+Perubahan+nilai+energi+band+gap+tersebut+diikuti%0D%0Adengan+peningkatan+nilai+konduktivitas+listrik+pada+sampel.%0D%0A%0D%0AKata+Kunci%3A+Katode+NaxFeSiO4%2C+energi+band+gap%2C+konduktivitas+listrik%2C+sekam%0D%0Apadi%2C+struktur+kristal.%0D%0AThis+study+aims+to+analyze+the+effect+of+x+composition+on+the+NaxFeSiO4+cathode%0D%0A(x+%3D+0%2C5%3B+1%3B+1%2C5%3B+2)+based+on+rice+husk+silica+on+its+crystal+structure+and+electrical%0D%0Aproperties.+NaxFeSiO4+samples+were+made+from+rice+husk+silica%2C+Fe(NO3)3.9H2O%0D%0Aand+NaOH+using+the+sol-gel+method+with+a+composition+of+Na+0%2C5%3B+1%3B+1%2C5%3B+2+moles.%0D%0AThen%2C+it+was+sintered+at+700+%C2%B0C+and+hold+for+10+hours.+The+crystal+structure+was%0D%0Acharacterized+by+X-Ray+Diffraction+(XRD)%2C+the+functional+groups+were%0D%0Acharacterized+by+Fourier+Transform+Infrared+(FTIR)%2C+band+gap+energy+was+tested%0D%0Aby+Ultraviolet+Visible+Diffuse+Reflection+(UV-Vis)%2C+and+electical+conductivity+was%0D%0Atested+by+LCR-meter.+The+result+of+FTIR+characterization+shows+the+absorption%0D%0Apeaks+originating+from+the+Si-O-Si%2C+Fe-O%2C+and+O-Na-O+bonds.+Furthermore%2C+the%0D%0AXRD+analysis+indicating+the+presence+of+Fe2O3%2C+Fe2SiO4%2C+and+NaO2+phases+in%0D%0ANa0%2C5FeSiO4+and+NaFeSiO4+samples%2C+while+in+the+Na1%2C5FeSiO4+and+Na2FeSiO4%0D%0Asamples+indicating+presence+of+Na2FeSiO4%2C+SiO2%2C+and+Na2SiO3+phases.+Na0%2C5FeSiO4+and+NaFeSiO4+samples+are+dominated+by+the+Fe2O3+phase%2C+whereas%0D%0ANa1%2C5FeSiO4+and+Na2FeSiO4+samples+are+dominated+by+the+Na2FeSiO4+phase.+As%0D%0ANa+composition+increases%2C+Fe2O3+phase+will+decrease+and+Na2FeSiO4+become%0D%0Amore+dominant+in+the+samples.+Meanwhile%2C+the+UV-Vis+DRS+analysis+results%0D%0Ashows+the+value+of+double+energy+band+gap+in+the+Na0%2C5FeSiO4+i.e+2%2C03+eV+and%0D%0A2%2C23+eV%2C+NaFeSiO4+sample+i.e+1%2C97+eV+and+2%2C19+eV+%2C+as+well+as+in+the+Na1%2C5FeSiO4%0D%0Asample+i.e.+2%2C15+eV+and+2%2C44+eV.+In+the+Na2FeSiO4+sample+produced+a+single+band%0D%0Agap+energy+i.e+2%2C11+eV.+The+change+in+the+band+gap+energy+value+followed+by+an%0D%0Aincrease+in+the+value+of+electrical+conductivity+in+the+samples.%0D%0A%0D%0AKeywords+%3A+NaxFeSiO4+cathode%2C+band+gap+energy%2C+electrical+conductivity%2C+rice%0D%0Ahusk%2C+crystal+structure.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57394%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57394%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57394%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++AYU+ASTIKA%2C+1517041027++(2019)+PENGARUH+KOMPOSISI+x+TERHADAP+STRUKTUR+KRISTAL+DAN+SIFAT+LISTRIK+PADA+BAHAN+KATODE+NaxFeSiO4+(x+%3D+0%2C5%3B+1%3B+1%2C5%3B+2)+BATERAI+SODIUM+BERBASIS+SILIKA+SEKAM+PADI.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57394%2F