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Prof. Dr.

Marpongahtun

M.Sc
Marpongahtun

Prof. Dr. Marpongahtun, M.Sc

Employee ID Number

196111151988032002

National Lecturer Registration Number

0015116110

Study Program
Program Studi S2 Kimia
Program Studi S3 Ilmu Kimia
Program Studi S1 Kimia
Field Of Knowledge
Positions
Associate Professor
Research Media
Research Gate Google Scholar Sinta Scopus
Contacts:
E-mail

marpongahtun@usu.ac.id, mar1511@yahoo.com

Office Address

USU Faculty of Mathematics and Natural Sciences

Curriculum Vitae file_download
Profile

Dr. Marpongahtun, M.Sc., was born in Berastagi, Karo, on November 15, 1961, and is a lecturer in Chemistry at Universitas Sumatera Utara. She completed a Doctoral Program in Electrochemistry at UTM in 2005.

Publications
Other Publications

National Publications

Exploring the Effect of Ethylenediamine Concentration on the Optical Properties of Carbon Dots Synthesized from Candlenut Shell Biomass

MARPONGAHTUN , AMIR HAMZAH SIREGAR , TJUT SITI SAFHURA

Indonesian Journal of Chemical Research

SAHARMAN GEA , MARPONGAHTUN , YUNI ALDRIANI LUBIS , Woei Wu Larry Pai , Muhammad Frassetia Lubis

Synthesis and Characterization Nitrogen-doped Carbon Dots from Candlenut Shells using Hydrothermal and Solvothermal Methods

RISKA , SAHARMAN GEA , MARPONGAHTUN

Inovasi revolusioner elektrokatalis berbasis grafena batubara

Ir. VIVI PURWANDARI, M.Si , MARPONGAHTUN , MAHYUNI HARAHAP

SYNTHESIS OF CARBON DOTS FROM EMPTY FRUIT BUNCH BIOCHAR VIA AN ACID-FREE HYDROTHERMAL METHOD

MARPONGAHTUN , SAHARMAN GEA , AMRU DAULAY , RUFINA PRAMUDITA

International Publications

Enhancement of the Photocatalytic Activity of TiO2 Modified with Carbon Dots from Tamarind Seeds (Tamarindus indica L.) for Eco-friendly Naphthol B Dye Degradation

SAHARMAN GEA , MARPONGAHTUN , ANDRIAYANI

Green one-pot synthesis of rGO/AgNPs-$\beta$-cyclodextrin nanocomposites using Miconia crenata leaf extract: Insights into structural, interfacial, optical, and textural evolution.

SAHARMAN GEA , MARPONGAHTUN , YENI WAHYUNI HARTATI , A. MUHAMMAD AFDHAL SAPUTRA , Stergios Goutianos , Ni Luh Wulan Septiani

Carbon quantum dots surface decorated molybdenum disulfide by hydrothermal synthesis for tetracycline detector

MARPONGAHTUN , SAHARMAN GEA , YUNI ALDRIANI LUBIS , AISYAH RAMADHANI , ANISA NABILAH HARAHAP , AYUNDA AULIA ARSYAH , SEKAR AZHANI

The making of ethanolamine-modified stearin and its application in natural rubber technology

MARPONGAHTUN , INDRA SURYA

Absorbance spectral analysis of obtained nitrogen doped carbon dots from Jengkol pee

MARPONGAHTUN , SAHARMAN GEA , ANIZA SALVIANA PRAYUGO

Researches
Other Researches
Efektivitas Nanokomposit Fe3O4/ N- Doped Carbon Dots/ ZIF-67 sebagai Fotokatalis dalam Degradasi Pewarna Kongo Merah

MINTO SUPENO , AMIR HAMZAH SIREGAR , MARPONGAHTUN , RAHMADANI FITRI , ANIZA SALVIANA PRAYUGO

Efektivitas Nanokomposit Fe3O4/N-Doped Carbon Dots sebagai Fotokatalis dalam Degradasi Pewarna Kongo Merah: Sintesis, Karakterisasi, dan Kinerja di Bawah Sinar UV

ANDRIAYANI , MARPONGAHTUN , RAHMADANI FITRI

Preparasi Hidrogel Polivinil alkohol dengan bahan pengisi grafena batubara untuk aplikasi foto-elektrokatalis

MUHAMMADIN HAMID , MAHYUNI HARAHAP , Ir. VIVI PURWANDARI, M.Si , MARPONGAHTUN

SINTESIS S,N-DOPED CARBON DOTS DARI KULIT JENGKOL UNTUK MENDETEKSI PEWARNA AMARANTH PADA MINUMAN BERWARNA

AMIR HAMZAH SIREGAR , MARPONGAHTUN

LIMBAH KULIT JENGKOL (ARCHIDENDRON PAUCIFLORUM) SEBAGAI PREKURSOR CARBON DOTS UNTUK DETEKSI LOGAM MERKURI PADA KOSMETIK

SAHARMAN GEA , MARPONGAHTUN

Community Services
Other Services

Pengelolaan Integrasi Ekologi Lubuk Larangan Tambangan JAE, Kabupaten Mandailing Natal

Kabupaten Mandailing Natal. MUHAMMAD TURMUZI , MARPONGAHTUN . 2022

Penyuluhan Cara Pengolahan Limbah Minyak Goreng Bekas Menjadi Minyak Goreng Layak Konsumsi

. MARDININGSIH , DARWIN YUNUS NASUTION , MARPONGAHTUN , DEDE IBRAHIM MUTHAWALI . 2019

Pelatihan Pembuatan Shampo Untuk Kendaraan Bermotor Pada Siswa-Siswa Sma Negeri Tanjung Tiram Kabupaten Batubara

TANJUNG TIRAM KABUPATEN BATUBARA. YUGIA MUIS , MARPONGAHTUN . 2014

Pelatihan Pemeriksaan Formalin Dalam Bahan Makanan Dan Pembuatan Sabun Cair Pada Kelurahan Rambung Dalam, Kota Binjai

Kelurahan Rambung Dalam Kecamatan Binjai Selatan. YUGIA MUIS , SAHARMAN GEA , AMIR HAMZAH SIREGAR , DARWIN YUNUS NASUTION , MARPONGAHTUN . 2013

Pelatihan Pembuatan Sabun Colek Dan Sabun Cair Untuk Skala Kecil Dan Menengah Di Desa Percut, Kecamatan Percut Sei Tuan, Kabupaten Deli Serdang

Desa Percut, Kecamatan Percut Sei Tuan, Kabupaten Deli Serdang. YUGIA MUIS , SAHARMAN GEA , DARWIN YUNUS NASUTION , MARPONGAHTUN . 2012

Intellectual Property Rights
Other Intellectual Property Rights
Metode Pembuatan Carbon Dots dan Nitrogen Doped Carbon Dots dari Bottom Ash Batubara Meggunakan Teknik Ultrasonikasi dan Hidrotermal

MARPONGAHTUN , WIDAYATI , ANIZA SALVIANA PRAYUGO

Metode Pembuatan Carbon Dots dan Nitrogen Doped Carbon Dots dari Bottom Ash Batubara Meggunakan Teknik Ultrasonikasi dan Hidrotermal

ANIZA SALVIANA PRAYUGO , WIDAYATI , MARPONGAHTUN

PROSES PEMBUATAN SELULOSA BAKTERI-EKSTRAK RIMPANG KUNYIT DENGAN METODE STIRRING

MARPONGAHTUN , WARDATUL HUSNA IRHAM

KOMPOSIT BERPORI BIOKERAMIK POLIKAPROLAKTON , KITOSAN TiO2 MENGGUNAKAN TEKNIK FREEZE-DRYING

Ir. VIVI PURWANDARI, M.Si , MARPONGAHTUN , SYAHMAN ZHAFIRI

Courses Taught

Year Of Study

Semester

No data available