Search Results - "Spãtaru, Nicolae"

Anodic Voltammetry of Xanthine, Theophylline, Theobromine and Caffeine at Conductive Diamond Electrodes and Its Analytical Application by Spãtaru, Nicolae, Sarada, Bulusu V., Tryk, Donald A., Fujishima, Akira

“…Boron‐doped diamond (BDD) electrodes were used to examine the electrochemical oxidation of xanthine and its naturally occurring N‐methyl derivatives,…”
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Enhanced photoelectrochemical activity of WO3-decorated native titania films by mild laser treatment by Spătaru, Tanţa, Alexandru Mihai, Marius, Preda, Loredana, Marcu, Maria, Marian Radu, Mihai, Dan Becherescu, Nicolae, Velea, Alin, Yassine Zaki, Mohamed, Udrea, Radu, Satulu, Veronica, Spătaru, Nicolae

“…[Display omitted] •WO3 modification of air-formed TiO2 significantly enhances its photoactivity.•Laser treatment improves surface homogeneity and enhances its…”
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High-speed synthesis of heavily boron-doped diamond films by in-liquid microwave plasma CVD by Harada, Yohei, Hishinuma, Ryota, Spătaru, Nicolae, Sakurai, Yusei, Miyasaka, Kazuya, Terashima, Chiaki, Uetsuka, Hiroshi, Suzuki, Norihiro, Fujishima, Akira, Kondo, Takeshi, Yuasa, Makoto

“…Here, we report the first synthesis of polycrystalline boron-doped diamond (BDD) by an In-liquid microwave plasma CVD (IL-MPCVD) process from a mixture of…”
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Improved suitability as catalyst support and more efficient charge carrier separation of native air-formed TiO2 films by mild laser treatment by Radu, Mihai Marian, Becherescu, Nicu, Spătaru, Tanţa, Osiceanu, Petre, Mihai, Marius Alexandru, Calderon-Moreno, Jose Maria, Spătaru, Nicolae, Fujishima, Akira

“…The possibility of using native air-formed TiO2 films (N–TiO2) as substrate for platinum deposition and the extent to which the effectiveness of such Pt/TiO2…”
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Effect of the chemical termination of conductive diamond substrate on the resistance to carbon monoxide-poisoning during methanol oxidation of platinum particles by Spătaru, Tanţa, Osiceanu, Petre, Anastasescu, Mihai, Pătrinoiu, Greta, Munteanu, Cornel, Spătaru, Nicolae, Fujishima, Akira

“…Boron-doped diamond (BDD) films were annealed in hydrogen or oxygen streams and were further used as substrates for Pt electrochemical deposition. SEM and AFM…”
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Influence of cobalt oxide substrate on the resistance to fouling during methanol oxidation of platinum particles by Spătaru, Tanţa, Anastasescu, Mihai, Spătaru, Nicolae, Fujishima, Akira

“…A cobalt oxide-based composite was obtained by a simple electrochemical procedure, involving Co3O4 anodic deposition on conductive diamond, followed by…”
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Role of surfactant-mediated electrodeposited titanium oxide substrate in improving electrocatalytic features of supported platinum particles by SPATARU, Tanţa, PREDA, Loredana, OSICEANU, Petre, MUNTEANU, Cornel, ANASTASESCU, Mihai, MARCU, Maria, SPATARU, Nicolae

“…A new hybrid system with improved photocatalytic and electrocatalytic performances was obtained by two-step potentiostatic deposition on highly boron-doped…”
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Voltammetric detection of phenol at platinum–polytyramine composite electrodes in acidic media by SPATARU, Tanƫa, SPATARU, Nicolae

“…A composite obtained by depositing platinum nanoparticles in a polytyramine (PTy) matrix, electrochemically formed on graphite substrate, was used as electrode…”
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Graphene Incorporation as a Propitious Approach for Improving the Oxygen Reduction Reaction (ORR) Activity of Self-assembled Polycrystalline NiCo2O4–NiO by Preda, Loredana, Spataru, Nicolae, Calderon Moreno, Jose Maria, Somacescu, Simona, Marcu, Maria

“…Electrocatalytic activity of a new, pristine and graphene-modified NiCo 2 O 4 –NiO catalysts towards oxygen reduction reaction (ORR) was gauged. Linear sweep…”
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Conductive diamond powder inclusion in drop-casted graphene for enhanced effectiveness as electrocatalyst substrate by Spătaru, Nicolae, Calderon-Moreno, Jose Maria, Osiceanu, Petre, Kondo, Takeshi, Terashima, Chiaki, Popa, Monica, Radu, Mihai Marian, Culiţă, Daniela, Preda, Loredana, Mihai, Marius Alexandru, Spătaru, Tanţa

“…[Display omitted] •Boron-doped diamond powder (BDDP) was embedded in a drop-casted graphene (GR) layer.•The GR-BDDP composite exhibits higher porosity and…”
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Detection of aniline at boron-doped diamond electrodes with cathodic stripping voltammetry by Spătaru, Tanţa, Spătaru, Nicolae, Fujishima, Akira

“…Boron-doped diamond (BDD) electrodes were used to investigate the possibility of detecting aniline by linear-sweep cathodic stripping voltammetry. It was found…”
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Electrocatalytic and photocatalytic activity of Pt–TiO2 films on boron-doped diamond substrate by Spătaru, Tanţa, Marcu, Maria, Spătaru, Nicolae

“…► Pt–TiO2 films were electrodeposited on boron-doped diamond (BDD) electrodes. ► BDD substrate enables more efficient separation of photogenerated charge…”
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Influence of electroformation regime on the specific properties of cobalt oxide‒platinum composite films deposited on conductive diamond by Spătaru, Tanţa, Osiceanu, Petre, Preda, Loredana, Munteanu, Cornel, Spătaru, Nicolae, Fujishima, Akira

“…Two straightforward electrochemical methods were used in the present work for depositing cobalt oxide-platinum composite films on boron-doped diamond…”
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Electrodeposition of platinum on polytyramine-modified electrodes for electrocatalytic applications by Spătaru, Tanţa, Marcu, Maria, Banu, Alexandra, Roman, Eugen, Spătaru, Nicolae

“…Cyclic voltammetry was used in order to deposit conducting polytyramine (PTy) on graphite substrates. In acidic media, ca. 40 deposition cycles resulted in the…”
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Silica veils-conductive diamond powder composite as a new propitious substrate for platinum electrocatalysts by Spătaru, Tanţa, Kondo, Takeshi, Anastasescu, Crina, Balint, Ioan, Osiceanu, Petre, Munteanu, Cornel, Spătaru, Nicolae, Fujishima, Akira

“…An innovative composite was obtained by a straightforward sol-gel procedure, involving boron-doped diamond powder (BDDP) incorporation into a SiO 2 veil (SiO 2…”
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Platinum–carbon electrocatalytic composites via liposome-directed electrodeposition at conductive diamond by Căciuleanu, Alexandru Ioan, Spătaru, Tanţa, Preda, Loredana, Anastasescu, Mihai, Osiceanu, Petre, Munteanu, Cornel, Bărăţoiu, Rodica Daniela, Iovescu, Alina Aurelia, Spătaru, Nicolae

“…A Pt precursor was entrapped in phosphatidylcholine-cholesterol vesicles and the liposomal suspension was used for direct electrodeposition of a Pt-based…”
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Advancements on Basic Working Principles of Photo-Driven Oxidative Degradation of Organic Substrates over Pristine and Noble Metal-Modified TiO2. Model Case of Phenol Photo Oxidation by Alexandra Sandulescu, Crina Anastasescu, Florica Papa, Monica Raciulete, Anca Vasile, Tanta Spataru, Monica Scarisoreanu, Claudiu Fleaca, Cristian N. Mihailescu, Valentin S. Teodorescu, Nicolae Spataru, Maria Zaharescu, Ioan Balint

“…The specific roles played by both support and noble metals in light absorption, charge separation, and the formation of ·OH and O2− (ROS) are analyzed for…”
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Enhanced Activity for Methanol Oxidation of Platinum Particles Supported on Iridium Oxide Modified Boron‐Doped Diamond Powder by Preda, Loredana, Kondo, Takeshi, Spataru, Tanta, Marin, Mariana, Radu, Mihai, Osiceanu, Petre, Fujishima, Akira, Spataru, Nicolae

“…Electrocatalytic activity toward methanol oxidation in alkaline media of platinum nanoparticles supported on iridium oxide modified boron‐doped diamond powder…”
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Functional Effects of the Deposition Substrate on the Electrochemical Behavior of Platinum Particles by Spătaru, Tan\{t}a, Osiceanu, Petre, Marcu, Maria, Lete, Cecilia, Munteanu, Cornel, Spătaru, Nicolae

“…In the present work, polytyramine (PTy) and cobalt oxide (Co 3 O 4 ) were used as substrates for platinum electrodeposition, in order to obtain electrode…”
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Detection of trace levels of Pb2+ in tap water at boron-doped diamond electrodes with anodic stripping voltammetry by DRAGOE, Diana, SPATARU, Nicolae, KAWASAKI, Ryuji, MANIVANNAN, Ayyakkannu, SPATARU, Tanta, TRYK, Donald A, FUJISHIMA, Akira

“…Boron-doped diamond (BDD) electrodes were used to investigate the possibility of detecting trace levels of lead by linear-sweep anodic stripping voltammetry…”
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