Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Shahrara Afshar"'
Publikováno v:
Current Chemistry Letters, Vol 3, Iss 3, Pp 141-146 (2014)
In this work, we report on the synthesis of SiO2 hollow spheres using carbon nanospheres as the sacrificial template by hydrothermal method. The synthesized substrates are in a spherical morphology and uniform size distribution. The effects of hydrot
Externí odkaz:
https://doaj.org/article/76876c9a5d4048c098068839f31b2cbc
Autor:
Moones Hakamizadeh, Shahrara Afshar, Azadeh Tadjarodi, Majid Hshemianzadeh, Mohammad Reza Fadaie, Babak Bozorgi
Publikováno v:
شیمی کاربردی روز, Vol 8, Iss 28, Pp 9-18 (2013)
 The photocatalytic water splitting using photon and a semiconductor is a new method for hydrogen production. In this research, photocatalytic hydrogen production using Pt(0.75wt)/TiO2 photocatalyst has been studied. This nanoparticle was synthesiz
Externí odkaz:
https://doaj.org/article/853ba04caee847ffa632f26a443accd4
Publikováno v:
شیمی کاربردی روز, Vol 7, Iss 23, Pp 43-48 (2012)
In this contribution, ZnO nanoparticles and vanadium doped ZnO were synthesized by wet chemical and wet incipient method, respectively. ZnO nanoparticles were heated at 650 and 750°C for 3h in air and then characterized by X-ray diffraction (XRD),
Externí odkaz:
https://doaj.org/article/54acd29956d34f2f979d795ecdd99b28
Autor:
Saeed Shahbazi, Chi-Yung Wang, Sudhakar Narra, Cheng-Min Tsai, Hau-Shiang Shiu, Nima Taghavinia, Shahrara Afshar, Eric Wei-Guang Diau
Publikováno v:
The Journal of Physical Chemistry C. 121:3673-3679
We report a simple synthetic approach to grow uniform CH3NH3PbI3 perovskite (PSK) layers free of pinholes via varied portions of silver iodide (AgI) added to the precursor solution. XRD/EDS elemental mapping experiments demonstrated nearly uniform Ag
Publikováno v:
Photochemistry and Photobiology. 92:783-789
Visible light-driven Al-doped TiO2 with different aluminum contents (2, 5 and 10 mol%) were synthesized via a facile sol–gel method. Fourier transform infrared (FTIR), UV-visible diffuse reflectance, energy dispersive X-ray (EDX) spectroscopy as we
Publikováno v:
Water Science and Technology. 74:1689-1697
In the present study, silicon dioxide (SiO2) nanoparticles were loaded to titanium dioxide (TiO2) nano-particles by sol-gel method to make a high porosity photocatalyst nano-hybrid. These photocatalysts were synthesized using titanium tetrachloride a
Autor:
Shahrara Afshar, Fariba Tajabadi, Saeed Shahbazi, Mahdi Malekshahi Byranvand, Nima Taghavinia
Publikováno v:
ChemPhysChem. 17:2389-2394
A three-step method for the deposition of CH3 NH3 PbI3 perovskite films with a high crystalline structure and large cuboid overlayer morphology is reported. The method includes PbI2 deposition, which is followed by dipping into a solution of C4 H9 NH
Publikováno v:
Research on Chemical Intermediates. 44:2951-2963
Anatase TiO2 nanoparticles (TiO2 NPs) were synthesized by the sol–gel method using titanium tetra-isopropoxide (TTIP), isopropyl alcohol, and distilled water and then calcined at 400 °C for 3 h. X-ray diffraction and scanning electron microscopy m
Autor:
Hau-Shiang Shiu, Nima Taghavinia, Eric Wei-Guang Diau, Saeed Shahbazi, Fariba Tajabadi, Efat Jokar, R. Sedighi, Shahrara Afshar, Somayeh Gholipour
Publikováno v:
RSC Advances. 6:65594-65599
Herein, we show that surface treatment of PEDOT:PSS films using propionic acid (PA) results in better device performance for the resulting CH3NH3PbI3 perovskite solar cells (PCE > 15%). N2 blow spreading of PA appears critical in enhanced performance
Autor:
Shahrara Afshar, Hoda Jafari
Publikováno v:
Photochemistry and Photobiology. 92:87-101
The photocatalytic activity of TiO2 nanoparticles (nano-TiO2 ) and its hybrid with SiO2 (nano-TiO2 -SiO2 ) for degradation of some organic dyes on cementitious materials was studied in this work. Nanohybrid photocatalysts were prepared using an inorg