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All Journal Jurnal BETA (Biosistem dan Teknik Pertanian) Rekayasa Mesin ROTOR: JURNAL ILMIAH TEKNIK MESIN E-Dimas: Jurnal Pengabdian kepada Masyarakat JST ( Jurnal Sains Terapan ) Jurnal Ilmu Fisika Jurnal Pendidikan Fisika dan Teknologi Indonesian Physical Review DEDIKASI PKM Aptekmas : Jurnal Pengabdian Kepada Masyarakat Community: Jurnal Pengabdian Pada Masyarakat PIKAT Khidmatuna: Journal of Research and Community Service
shoodiqin, dian mart
Institut Teknologi Kalimantan
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SYNTHESIS OF NANO-SILICA FROM LOA KULU RICE HUSK USING THE SOL-GEL METHOD Shoodiqin, Dian Mart; Musyarofah, Musyarofah; Robiandi, Fadli; Chairunnisa, Regita Cahya
Indonesian Physical Review Vol. 7 No. 1 (2024)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v7i1.280

Abstract

Silica is a material that is widely found in nature and is able to withstand corrosion attacks from corrosive environments. However, this natural material must be extracted to obtain high purity silica. Simple sol-gel method is used to solve the extraction problem (nano-silica with high purity). The natural materials used in this research come from organic materials, namely rice husks from the local area (Loa Kulu area). The main objective of this experiment is studying the effect concentration of HCl for crystalline size.  The synthesis of silica was carried out with the preparation of ashes, then mixed with NaOH 7M until a solution of sodium silicate was produced. Silicate sodium solution was pressed with HCl 2M to form a silica gel with pH 7, 5, and 3 then was dried to produce silica powder. Silica powder was then burned at a temperature of 1000°C to produce silica with a crystalline phase. Based on the experiment, silica powder before calcination has amorphous phase and at any pH variation, the crystallite size calculated with the Debye Scherrer approach does not show any change the crystallite size by the variation of the silica gel’s pH. In addition, silica powder calcinated at 1000°C has amorphous and cristobalite phases and showed changes in crystal size after calculated with Debye Scherrer’s approach.
Pelatihan Pengolahan Rumput Laut menjadi Permen Jelly untuk Meningkatkan Nilai bagi Masyarakat Kelurahan Teritip, Balikpapan Atrinawati, Lovinta Happy; Shoodiqin, Dian Mart; Nugroho, Rizky Arif; Ramadhan, Rahmat; Zakly, Taufiq
Community : Jurnal Pengabdian Pada Masyarakat Vol. 2 No. 3 (2022): November : Jurnal Pengabdian Pada Masyarakat
Publisher : LPPM Sekolah Tinggi Ilmu Ekonomi - Studi Ekonomi Modern

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/community.v2i3.176

Abstract

Rumput laut secara ilmiah dikenal dengan istilah alga atau ganggang. Rumput laut termasuk salah satu anggota alga yang merupakan tumbuhan berklorofil. Budidaya rumput laut khususnya adalah jenis Eucheuma sp. yang melimpah di Kelurahan Teritip, Balikpapan. Masyarakat setempat masih memiliki kekurangan terkait pengelolaan potensi rumput laut itu sendiri dan kurangnya pengetahuan masyarakat sekitar dalam mengelola hasil rumput laut di daerah tersebut. Pada kegiatan ini dilakukan pelatihan pengolahan rumput laut menjadi permen jelly sebagai solusi permasalahan tersebut. Metode yang dilaksanakan melalui tahapan inisiasi, pelatihan pembuatan permen jelly, dan evaluasi keberlanjutan. Peserta pelatihan telah berhasil mengolah rumput laut menjadi permen jelly dan dikemas sehingga siap jual. Setelah dihitung, dengan mengolah menjadi permen jelly, dapat menaikkan harga jual dan keuntungan dibandingkan hanya menjual rumput laut mentah. Dalam bentuk permen jelly, nilai harga jual naik sebesar 225% dan keuntungan naik sebesar 118%. Berdasarkan hasil survey, keterampilan peserta dalam mengolah rumput laut juga telah meningkat dan peserta berkomitmen untuk terus melakukan pengolahan hasil rumput laut
Pengembangan Sistem Manajemen Berbasis Online Di Destinasi Wisata Perahu Wanatirta Balikpapan Kalimantan Timur Wirawan, Muhammad Khaisar; Shoodiqin, Dian Mart
DEDIKASI PKM Vol. 5 No. 1 (2024): DEDIKASI PKM UNPAM
Publisher : Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/dedikasipkm.v5i1.36655

Abstract

Wisata Perahu Wanatirta Balikpapan bertempat di RT. 25, Kampung Pati, Kelurahan Karang Joang, Kota Balikpapan. Destinasi yang berdiri sejak tahun 2020 ini memiliki potensi yang bagus untuk membangun perekonomian Kampung Pati, akan tetapi banyak warga Balikpapan belum mengetahui daerah wisata tersebut. Berdasarkan observasi yang dilakukan di lapangan, terdapat beberapa temuan yang menyebabkan kurang tereksposnya wisata ini, yakni tidak adanya pengolahan bagian administrasi pada wisata, kurangnya pengembangan dan kreativitas. Berdasarkan temuan permasalahan, maka dilakukan beberapa perbaikan seperti membuat sistem administrasi yang sistematis dan melakukan promosi wisata dengan akun website. Evaluasi berkala juga dilakukan dengan melihat progress penggunaan website serta sistem manajemen online (google spreadsheet). Hasil yang dicapai adalah setiap pengelola mampu menggunakan dan mengakses google spreadsheet dengan baik, sehingga setiap pengelola mampu melihat perkembangan pemasukan dan pengeluaran setiap saat, dan pengelola juga mampu mengelola website dengan update berita dan dokumentasi terbaru.
Peningkatan Kreativitas Anak Usia Dini Dengan Kegiatan Berkebun Tanaman Obat Keluarga Dan Bercerita Guna Meningkatkan Kemampuan Kognitif dan Psikomotorik di Wilayah RT.18 KM 12 Dalam Kelurahan Karang Joang Balikpapan Shoodiqin, Dian Mart; Musyarofah, Musyarofah; Wardani, Refangga Cendikia; Nashrullah, Mustaqim Aqib; Febrianto, Ismail; Purba, Livia Br.; Ramadhan, Muhammad Bagus Saputra; Silalahi, Hanna Rosita; Bela, Jesica
DEDIKASI PKM Vol. 5 No. 3 (2024): DEDIKASI PKM UNPAM
Publisher : Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/dkp.v5i3.39468

Abstract

Dalam kegiatan pengabdian masyarakat di RT. 18 Karang Joang, Balikpapan Utara. Tujuan utama kegiatan ini yakni memberikan pembelajaran yang mendukung pengembangan kemampuan psikomotorik dan kognitif pada anak melalui bercerita, menggambar sambil belajar dan juga menanam tanaman obat keluarga. kegiatan dilakukan dengan tiga tahapan, yakni observasi, sosialisasi, dan pelatihan. Dengan kolaborasi yang kuat antara masyarakat dan mitra, program ini diharapkan dapat memberikan banyak hal positif bagi daerah setempat.
UTILIZATION Of Sn-Sb-S AS A NEW MATERIAL SENSITIZED SOLAR CELLS Samosir, Harrys; Robiandi, Fadli; Shoodiqin, Dian Mart
ROTOR Vol. 17 No. 2 (2024)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/rotor.v17i2.53391

Abstract

In this research process to observe the utilization of Sn-Sb-S for new material solar cells. With the SILAR (successive ionic layer adsorption and reaction) method, it was found that good conditions for growing quantum dots on the surface of TiO2 were 8 turns to get Sn-S and 6 turns for SbS and heated at 325 0C for 12 minutes. As for tools to analyze Sn-Sb-S there are quantum dots by observing using XRD and the size of quantum dots. UV Visible is used to observe the gap energy of 1.63 eV which includes a wavelength of 300-850 nm. The use of SEM to observe the morphological characteristics of Sn-Sb-S on the surface of TiO2 obtained the size of quantum dots ~ 16.6 nm. The best sample with ZnSe passivation layer resulted in short circuit current density Jsc of 14.04 mA/cm2 open circuit voltage Voc of 0.46 V, fill factor FF of 39.91%, and power conversion efficiency η of 2.58% under 1 sun. Keywords: quantum dots, science materials, renewable energy
The Effect of Al and Cu Electrode Configurations on the Thermoelectric Performance of PVA/glycerin/H3PO4-Based Ionic Thermoelectric Cells Robiandi, Fadli; Shoodiqin, Dian Mart; Mayantasari, Menasita
Jurnal Pendidikan Fisika dan Teknologi (JPFT) Vol 11 No 2 (2025): July - December (In Press)
Publisher : Department of Physics Education, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpft.v11i2.10101

Abstract

Ionic thermoelectric (i-TE) materials have the potential to be applied to devices for converting low-temperature heat energy into electricity. In this study, an I-TE cell made of PVA/glycerin/H3PO4 was synthesized using Al and Cu electrodes. The general objective of this study is to investigate how symmetrical electrode configurations (Al-Al, Cu-Cu) and asymmetrical configurations (Al-Cu) affect the thermoelectric performance of PVA/glycerin/H₃PO₄ polymer electrolyte cells, including potential difference, Seebeck coefficient, and power factor. The results of this study show that the PVA/glycerin/H₃PO₄ sample with asymmetric electrodes produces a higher potential difference than the sample with symmetric electrodes. The highest potential difference in the sample with asymmetric electrodes is 0.97 V. Meanwhile, the highest potential difference produced by the sample with symmetrical Al electrodes was 0.15 V. However, the highest increase in potential difference with respect to temperature gradient was observed in the PVA/glycerin sample with symmetrical Al electrodes. This was based on the Seebeck coefficient value produced by the sample, which was 16 mV/K. This is followed by the sample with an asymmetric electrode, and the lowest is the sample with a symmetric Cu electrode. The power factor of the sample increases with increasing temperature and follows the pattern of increasing ionic conductivity. In addition, the power factor is also influenced by the Seebeck coefficient value of the sample. In this study, samples with symmetrical Al electrodes showed the highest PF values, with a maximum value at a temperature of 65 °C. These findings indicate that polymer electrolyte cells based on PVA/glycerin/H₃PO₄ with Al and Cu electrodes have the potential for use in i-TE devices to convert low-quality thermal energy into electricity.
Co-Authors Atrinawati, Lovinta Happy Bela, Jesica Budi Prayitno Chairunnisa, Regita Cahya Fadli Robiandi Fadli Robiandi Febrian Dedi Sastrawan Febrianto, Ismail fifin tresna juwita Gede Arda Hafid Hafid Lovinta Happy Atrinawati Mayantasari, Menasita Meidi Arisalwadi Menasita Mayantasari Menasita Mayantasari Musyarofah Musyarofah Musyarofah Musyarofah, Musyarofah Nashrullah, Mustaqim Aqib Nugroho, Rizky Arif Nurhayati Nurhayati Purba, Livia Br. Puspitasari, Nurrisma Rahastama, Swastya Rahmania Rahmat Ramadhan Rahmat Ramadhan Ramadhan, Muhammad Bagus Saputra Riyan Benny Sukmara Rizky Arif Nugroho Samosir, Harrys Sastrawan, Febrian Dedi Septiana, Atut Reni Silalahi, Hanna Rosita Silmi Hidayana Taufiq Zakly virgi al yulia manarisip Wardani, Refangga Cendikia Wirawan, Muhammad Khaisar Yohanes Dwi Saputra Zakly, Taufiq