Browsing Articole ştiinţifice by Title

Sort by: Order: Results:

  • Poly(p-phenylene vinylene)/porous GaP composite materials 
    LE RENDU, P.; NGUYEN, T. P.; LAKEHAL, M.; IP, J.; TIGINYANU, I. M.; SARUA, A.; IRMER, G. (ELSEVIER, 2001)
    We report results obtained from physical characterization of thin composite films made by mixing poly(p-phenylene vinylene) (PPV) and porous gallium phosphide (GaP) particles with different GaP concentrations. Optical ...
  • Polymer nanocomposite based on styrene with butyl methacrylate and inorganic semiconductor CdsS 
    IOVU, Mihail; ENACHESCU, Mihai; CULEAC, Ion; VERLAN, Victor; ROBU, Stefan; BOJIN, Dionezie; NISTOR, Iurie; COJOCARU, Ion (Institutul de Chimie, AŞ, 2014)
    We present experimental results on copolymer-based nanocomposite made of styrene with butyl methacrylate (1:1) and inorganic semiconductor CdS. Thin fi lm composite samples have been characterized by UVVis absorption and ...
  • Polysilicon thin layers for photovoltaic applications 
    BUDIANU, E.; PURICA, M.; RUSU, E.; MANEA, E.; GAVRILA, R. (IEEE, 2002)
    Thin layers of polycrystalline silicon as the optically absorbing material for photovoltaic devices represents a promising way for simultaneously achieving good performances and low manufacturing cost. In this paper, the ...
  • Pore Etching in III-V and II-VI Semiconductor Compounds in Neutral Electrolyte 
    TIGINYANU, I. M.; URSAKI, V. V.; MONAICO, E.; FOCA, E.; FÖLL, H. (The Electrochemical Society, 2007)
    We propose to use a neutral electrolyte based on an aqueous solution of instead of commonly used aggressive acids or alkaline electrolytes for the purpose of electrochemical nanostructuring of and substrates. It is shown ...
  • Pores in III–V semiconductors 
    FÖLL, H.; LANGA, S.; CARSTENSEN, J.; CHRISTOPHERSEN, M.; TIGINYANU, I. M. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2003)
    The paper reviews electrochemically etched pores in III–V compound semiconductors (GaP, InP, GaAs) with emphasis on nucleation and formation mechanisms, pore geometries and morphologies, and to several instances of ...
  • Pork and bovine liver important sources of nutrients 
    GORNET, V.; SANDULACHI, E.; GORNET, E. (National Academy of Packaging, Plovdiv, 2013)
    This study includes the methodology of obtaining the functional products with high nutritional value. Nutritional quality of food is determined by: the content and quality of carbohydrates, proteins and lipids, content of ...
  • Porosification of III–V and II–VI Semiconductor Compounds 
    EDUARD, Monaico; GLEB, Colibaba; DMITRII, Nedeoglo; KORNELIUS, Nielsch (American Scientific Publishers, 2014)
    We report on a comparative study of the pore growth during anodization of a narrow-bandgap III–V compound (InAs), a medium-bandgap III–V one (InP) and wide-bandgap II–VI semiconductors (ZnSe and Zn0.4Cd0.6S). According to ...
  • Porosity-induced blueshift of photoluminescence in CdSe 
    MONAICO, E.; URSAKI, V. V.; TIGINYANU, I. M. (American Institute of Physics, 2006)
    Porous CdSe layers have been fabricated by anodic etching of n-type single crystalline substrates with different values of conductivity. The morphology and porosity of the layers thus produced were found to be controlled ...
  • Porosity-induced gain of luminescence in CdSe 
    MONAICO, E.; URSAKI, V. V.; URBIETA, A.; FERNÁNDEZ, P.; PIQUERAS, J.; BOYD, R. W.; TIGINYANU, I. M. (IOP Publishing, 2004)
    Porous CdSe layers have been produced by anodic etching of crystalline substrates in a HCl solution. Anodization under in situ UV illumination resulted in the formation of uniformly distributed parallel pores with a diameter ...
  • Porous ceramics based on hybrid inorganic tetrapodal networks for efficient photocatalysis and water purification 
    GRÖTTRUP, Jorit; SCHÜTT, Fabian; SMAZNA, Daria; LUPAN, Oleg; ADELUNG, Rainer; MISHRA, Yogendra Kumar (ELSEVIER, 2017)
    The present work demonstrates a very simple and unique strategy for efficient photocatalysis using ZnO ceramic nano- and microtetrapods synthesized by a flame transport synthesis approach. Due to their three-dimensional ...
  • Porous coatings obtained on titanium after IMPULSE – PEO processes 
    ROKOSZ, K.; HRYNIEWICZ, T.; DUDEK, Ł.; PIETRZAK, K.; RAAEN, S.; MALORNY, W.; CIUPERCA, R. (IOP Publishing, 2019)
    The surface stereometry and chemical compositions of porous coatings obtained during Plasma Electrolytic Oxidation, PEO / (Micro Arc Oxidation, MAO) processes with use of impulse regime with different frequencies were the ...
  • Porous II-VI vs. porous III-V semiconductors 
    LANGA, S.; TIGINYANU, I. M.; MONAICO, E.; FÖLL, H. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2011)
    In this work a morphological comparison of porous structures obtained by means of electrochemical etching in II-VI (ZnSe, CdSe) and III-V (InP, GaAs, GaP) semiconductors is presented. It is shown that in III-V semiconductors ...
  • Porous III–V compound semiconductors: formation, properties, and comparison to silicon 
    FÖLL, H.; CARSTENSEN, J.; LANGA, S.; CHRISTOPHERSEN, M.; TIGINYANU, I. M. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2003)
    Pore formation in n-type III–V semiconductors will be discussed and compared to pore formation in silicon. While by now many different kinds of pores were produced in silicon, the “pore zoology” in III–Vs was rather limited ...
  • Porous III–V compounds as nonlinear optical materials 
    TIGINYANU, I. M.; KRAVETSKY, I. V.; LANGA, S.; MAROWSKY, G.; MONECKE, J.; FÖLL, H. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2003)
    Electrochemical etching is shown to represent a unique approach for tailoring linear and nonlinear optical properties of III–V compounds. We demonstrate that under defined etching conditions uniformly distributed pores ...
  • Porous InP as Piezoelectric Component in Magneto-Electric Composite Sensors 
    GERNGROSS, Mark-Daniel; SPRINCEAN, Veaceslav; LEISNER, Malte; CARSTENSEN, Jürgen; FÖLL, Helmut; TIGINYANU, Ion (The Electrochemical Society, 2011)
    We report on the fabrication of cheap piezoelectric porous InP templates by electrochemical etching and additional purely chemical post-etching and on the galvanic filling of the resulting nanopore array with Ni-Fe using ...
  • Porous morphologies in Si, III-V and II-VI compounds: a comparative study 
    LANGA, S.; MONAICO, E.; FÖLL, H.; TIGINYANU, I. M. (Technical University of Moldova, 2009)
    Porous morphologies obtained during the anodization of semiconductors are mainly determined by particular characteristics of the semiconductor-electrolyte interfaces and the bulk properties of the semiconductor itself. ...
  • Porous semiconductor compounds 
    MONAICO, Eduard; TIGINYANU, Ion; URSAKI, Veaceslav (IOP Publishing, 2020)
    In this review paper, we present a comparative analysis of the electrochemical dissolution of III–V (InP, GaAs, GaN), II–VI (ZnSe, CdSe) and SiC semiconductor compounds. The resulting morphologies are discussed, including ...
  • Porous Semiconductor Compounds with Engineered Morphology as a Platform for Various Applications 
    MONAICO, Eduard V.; MONAICO, Elena I.; URSAKI, Veaceslav V.; TIGINYANU, Ion M. (Wiley-VCH GmbH, Weinheim, 2023)
    Porous semiconductor compounds represent a class of materials which is under an intense research focus over the last years. Herein, morphologies and topologies produced by anodization in binary semiconductor compounds ...
  • Portul Internaţional Liber Giurgiuleşti – obiect strategic pentru economia Republicii Moldova 
    BÂRDAN, Veaceslav (Academia Militară a Forţelor Armate “Alexandru cel Bun”, 2015)
    Geopolitical events taking place in the Black Sea region in recent years, not only warned the bordering states or those in the region, but also the entire international community. This has caused neighboring countries to ...
  • Posibilități de identificare a pigmenților la procesarea materiilor oleaginoase 
    BANTEA-ZAGAREANU, Valentina (Academia de Științe a Moldovei, 2023)
    Producția de culturi oleaginoase este o direcție prioritară pentru Republica Moldova, favorizată de clima temperată, solurile adânci și fertile. Aceasta are un rol deosebit în asigurarea securității alimentare a țării și ...

Search DSpace


Browse

My Account