Zobrazeno 1 - 10
of 168
pro vyhledávání: '"Akhmad Herman Yuwono"'
Autor:
Akhmad Herman Yuwono, Fairuz Septiningrum, Donanta Dhaneswara, Nofrijon Sofyan, Nyoman Suwartha, Latifa Hanum Lalasari, Fakhri Akbar Maulana, Eka Nurhidayah, Avenia Latifa Barep
Publikováno v:
South African Journal of Chemical Engineering, Vol 50, Iss , Pp 415-426 (2024)
In this study, we synthesized mesoporous silver-titanium (Ag/TiO2) through green synthesis approach using mangosteen pericarp extract, which subsequently can act as both adsorbent and photocatalyst materials. Additionally, we investigated and compare
Externí odkaz:
https://doaj.org/article/9c251cc63fe74340a0b2df0bfe95135f
Autor:
Fakhri Akbar Maulana, Akhmad Herman Yuwono, Nofrijon Sofyan, Donanta Dhaneswara, Fairuz Septiningrum, Eka Nurhidayah, Latifa Hanum Lalasari, Alfian Noviyanto
Publikováno v:
Chemical Engineering Journal Advances, Vol 20, Iss , Pp 100640- (2024)
Nanostructure materials have received significant attention in recent years due to the unique properties and potential applications in various fields. Among these materials, titanium dioxide (TiO2)-based materials have proven promising due to outstan
Externí odkaz:
https://doaj.org/article/ea784134c5b246d3bf90052a2b291df7
Autor:
Ahmad Fauzi, Latifa Hanum Lalasari, Nofrijon Sofyan, Donanta Dhaneswara, Florentinus Firdiyono, Iwan Setiawan, Eko Sulistiyono, Agus Budi Prasetyo, Akhmad Herman Yuwono
Publikováno v:
Materials Science for Energy Technologies, Vol 7, Iss , Pp 216-227 (2024)
The semiconductor oxide material titanium dioxide (TiO2) has a number of strategic uses, such as an antimicrobial, self-cleaning, photocatalyst, and dye-sensitized solar cell (DSSC). Despite the fact that his substance is naturally obtained from the
Externí odkaz:
https://doaj.org/article/1f4d9180544948d3ae8b03cc4d494e85
Autor:
Satrio Herbirowo, Akhmad Herman Yuwono, Nofrijon Sofyan, Agung Imaduddin, Andika Widya Pramono, Sugeng Supriyadi, Julie Juliewatty Mohamed
Publikováno v:
International Journal of Technology, Vol 14, Iss 7, Pp 1570-1577 (2023)
This study aimed to investigate the use of the hot working in a sealed tube method for the production of Magnesium Diboride (MgB2) wires from a powder state. The wires were synthesized using different initial filling densities of 60%, 80%, and 100
Externí odkaz:
https://doaj.org/article/c62b77d16f174c29801669964738e886
Autor:
Nofrijon Sofyan, Alry Mochtar Jamil, Aga Ridhova, Akhmad Herman Yuwono, Donanta Dhaneswara, Jeffrey W. Fergus
Publikováno v:
Heliyon, Vol 10, Iss 8, Pp e29370- (2024)
The power conversion efficiency (PCE) of a dye-sensitized solar cell (DSSC) device depends on its semiconductor characteristics. Titanium dioxide (TiO2) nanoparticles are a semiconductor material commonly used in the DSSC device whose characteristics
Externí odkaz:
https://doaj.org/article/770f4253c4a44417bb2d1d8c7161ff3b
Autor:
Satrio Herbirowo, Andika Widya Pramono, Hendrik Hendrik, Heri Nugraha, Vinda Puspasari, Agung Imaduddin, Martin C. Fatah, Eko Sulistiyo, Akhmad Herman Yuwono
Publikováno v:
South African Journal of Chemical Engineering, Vol 46, Iss , Pp 182-195 (2023)
Some hydrogen storage materials have been created by a mechanochemical method utilizing ball milling and hydrogen gas. This study developed a novel method for employing hydrogen gas in a ball milling process followed by sintering to dissociate La(OH)
Externí odkaz:
https://doaj.org/article/7c8e0afd8bf548bd8ac71430c33da23f
Autor:
Agung Imaduddin, Satrio Herbirowo, Heri Nugraha, Hendrik Hendrik, Aisatun Aisatun, Anastasia Ruth Giovanni, Mukhtar Effendi, Kartika Sari, Andika Widya Pramono, Akhmad Herman Yuwono
Publikováno v:
South African Journal of Chemical Engineering, Vol 46, Iss , Pp 112-121 (2023)
Bismuthate superconductor material has a transition from a semiconductor/conductor to a superconductor. Research on this transition temperature has attracted many researchers' attention to reveal this material's superconducting properties. We synthes
Externí odkaz:
https://doaj.org/article/25dc64d8d56e4e1488dd875149d14d75
Autor:
Fairuz Septiningrum, Akhmad Herman Yuwono, Fakhri Akbar Maulana, Eka Nurhidayah, Donanta Dhaneswara, Nofrijon Sofyan, Heri Hermansyah, Widodo Wahyu Purwanto
Publikováno v:
Current Research in Green and Sustainable Chemistry, Vol 8, Iss , Pp 100394- (2024)
Herein, Ag/TiO2 nanocomposite was synthesized via a green chemistry approach, which is an eco-friendly, simple, and cost-effective method involving mangosteen pericarp extract as a reducing agent. The as-prepared nanocomposites were characterized usi
Externí odkaz:
https://doaj.org/article/b7c2387553594f9fb7da00fffc990c97
Autor:
Satrio Herbirowo, Akhmad Herman Yuwono, Nofrijon Sofyan, Dewi Tinambunan, Heri Nugraha, Agung Imaduddin
Publikováno v:
Materials Science for Energy Technologies, Vol 6, Iss , Pp 409-416 (2023)
Magnesium diboride (MgB2) is proposed to be a highly efficient wire with zero resistivity. In this research, Mg powder and amorphous-boron sheathed with a stainless steel (SS) 316L tube and powder-in-tube (PIT) technique were used in order to create
Externí odkaz:
https://doaj.org/article/44b976483fe04c18b50780bb25ca4b3b
Autor:
Nofrijon Sofyan, Akhmad Herman Yuwono, Sri Harjanto, Muhammad Arif Budiyanto, Yudan Wulanza, Nandy Putra, Sutrasno Kartohardjono, Eny Kusrini, Mohammed Ali Berawi, Nyoman Suwartha, Imam Jauhari Maknun, Yandi Andri Yatmo, Paramita Atmodiwirjo, Muhamad Asvial, Ruki Harwahyu, Muhammad Suryanegara, Eko Adhi Setiawan, Teuku Yuri M. Zagloel, Isti Surjandari
Publikováno v:
International Journal of Technology, Vol 12, Iss 6, Pp 1091-1100 (2021)
The COVID-19 pandemic is still affecting many aspects of human life. Many efforts have been carried out by many parties in the fields of health and demographics, food security, secure and clean water, green and efficient energy sources, climate c
Externí odkaz:
https://doaj.org/article/f75ebf95431047f696ff0ccd30c18383