Zobrazeno 1 - 10
of 149
pro vyhledávání: '"Takashi Sugiura"'
Autor:
Wingki Mey Hendra, Naohide Nagaya, Yuto Hibi, Norimitsu Yoshida, Takashi Sugiura, Saeid Vafaei, Kazuhiro Manseki
Publikováno v:
Materials, Vol 17, Iss 20, p 5095 (2024)
We investigate the preparation of mesoscopic SnO2 nanoparticulate films using a Sn(IV) hydrate salt combined with a liquid pyrrolidone derivative to form a homogeneous precursor mixture for functional SnO2 nanomaterials. We demonstrate that N-methyl-
Externí odkaz:
https://doaj.org/article/01c4c4eb50ea47209895c506219d393b
Autor:
Nagisa Hattori, Kazuhiro Manseki, Yuto Hibi, Naohide Nagaya, Norimitsu Yoshida, Takashi Sugiura, Saeid Vafaei
Publikováno v:
Materials, Vol 17, Iss 10, p 2339 (2024)
Tin oxide (SnO2) has been recognized as one of the beneficial components in the electron transport layer (ETL) of lead–halide perovskite solar cells (PSCs) due to its high electron mobility. The SnO2-based thin film serves for electron extraction a
Externí odkaz:
https://doaj.org/article/775a0b1661674649a8e433b0063cfa69
Autor:
Ozi Adi Saputra, Windy Ayu Lestari, Viardi Kurniansyah, Witri Wahyu Lestari, Takashi Sugiura, Rino R. Mukti, Ronny Martien, Fajar Rakhman Wibowo
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-15 (2022)
Abstract Controlling the premature release of hydrophobic drugs like quercetin over physiological conditions remains a challenge motivating the development of smart and responsive drug carriers in recent years. This present work reported a surface mo
Externí odkaz:
https://doaj.org/article/d971767cd7a5460ab90872af6c3511a0
Autor:
Nagisa Hattori, Saeid Vafaei, Ryoki Narita, Naohide Nagaya, Norimitsu Yoshida, Takashi Sugiura, Kazuhiro Manseki
Publikováno v:
Materials, Vol 16, Iss 24, p 7649 (2023)
Tin oxide (SnO2) is a technologically important semiconductor with versatile applications. In particular, attention is being paid to nanostructured SnO2 materials for use as a part of the constituents in perovskite solar cells (PSCs), an emerging ren
Externí odkaz:
https://doaj.org/article/98b2840dd3e64a1a81d4c52802465281
Autor:
Kazuhiro Manseki, Saeid Vafaei, Loren Scott, Katelyn Hampton, Nagisa Hattori, Kosuke Ohira, Kyle Prochotsky, Stephen Jala, Takashi Sugiura
Publikováno v:
Materials, Vol 16, Iss 13, p 4539 (2023)
We demonstrate for the first time the structure identification and narrow-bandgap property of 1D hybridized SnO/SnO2 nanoparticles derived from the calcination of a single-source precursor, i.e., tin(II) oxalate. Systematic Raman analysis together wi
Externí odkaz:
https://doaj.org/article/6aab08133b8548b6b587dcada72cb65f
Autor:
Saeid Vafaei, Vamsi Krishna Boddu, Stephen Jala, Pavan Kumar Bezawada, Nagisa Hattori, Seiho Higashi, Takashi Sugiura, Kazuhiro Manseki
Publikováno v:
Materials, Vol 16, Iss 8, p 3136 (2023)
Tin oxide (SnO2) and titanium dioxide (TiO2) are recognized as attractive energy materials applicable for lead halide perovskite solar cells (PSCs). Sintering is one of the effective strategies for improving the carrier transport of semiconductor nan
Externí odkaz:
https://doaj.org/article/fb2c7c71a4294fd8be115388b9dfe96b
Autor:
Saeid Vafaei, Ian Holmes, Benjamin Errion, Zigmey Thukka, Ryoki Narita, Takashi Sugiura, Kazuhiro Manseki
Publikováno v:
Nanomaterials, Vol 12, Iss 7, p 1165 (2022)
For the first time, nanofluid boiling was applied as a process for the creation of a semiconductor TiO2 nanoparticle film that can be deposited onto a conductive substrate (F-doped SnO2 glass: FTO). A steel-base device designed for pool boiling was u
Externí odkaz:
https://doaj.org/article/01f9ee033a424d358768f752d7de0345
Autor:
Saeid Vafaei, Alexander Wolosz, Catlin Ethridge, Udo Schnupf, Nagisa Hattori, Takashi Sugiura, Kazuhiro Manseki
Publikováno v:
Nanomaterials, Vol 11, Iss 7, p 1738 (2021)
SnO2 nanoparticles are regarded as attractive, functional materials because of their versatile applications. SnO2 nanoaggregates with single-nanometer-scale lumpy surfaces provide opportunities to enhance hetero-material interfacial areas, leading to
Externí odkaz:
https://doaj.org/article/fa764c64d5ae47dca6e9a7e1775f1d31
Publikováno v:
International Journal of Photoenergy, Vol 2017 (2017)
We present for the first time a synthetic method of obtaining 1D TiO2 nanorods with sintering methods using bundle-shaped 3D rutile TiO2 particles (3D BR-TiO2) with the dimensions of around 100 nm. The purpose of this research is (i) to control cryst
Externí odkaz:
https://doaj.org/article/ca8f0e5617f9486fa06d952edee08c0b
Publikováno v:
Jurnal Riset Kimia, Vol 7, Iss 2 (2014)
ABSTRACT Simple synthesis of nanospherical TiO2 by microwave hydrothermal method has been investigated. Titanium tetra isopropoxide (TTIP) and tetra methyl ammonium hydroxide (TMAOH) were used as precursor. The crystal phase and microstructure were c
Externí odkaz:
https://doaj.org/article/fb223abd902949eca0667be4985bfc3c