Electrocrystallization of CdSe from aqueous electrolytes: Structural arrangement from thin films to self-assembled nanowires

Kois, J.; Bereznev, Sergei; Volobujeva, Olga; Gurevits, Jelena; Mellikov, E.

doi:10.1016/j.jcrysgro.2011.01.003

Cited by 8 publications

(2 citation statements)

References 15 publications

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“…During the backward scan, the anodic peak appeared at around -0.30 V, which corresponds to oxidation of species on the surface. These species are the product of reduction reactions occurred at the previous forward scan [26].…”

Section: The CV Results Of Itomentioning

confidence: 99%

CdSe ve CdSe/ZnO Filmlerin Elektrokimyasal Sentezi: Morfolojik, Yapısal ve Elektronik Özellikler

Sığırcık

Tüken

2022

Çukurova Üniversitesi Mühendislik Fakültesi Dergisi

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CdSe films were electrochemically prepared on ITO electrode in aqueous solution applying a constant potential. Structural, morphological and optical features of CdSe thin films were examined with FE-SEM, XRD and UV-visible spectrophotometry techniques. XRD results revealed CdSe films were deposited, in the form of cubic crystals from aqueous solution of Cd2+ and Se4+, in presence of Na2SO4 supporting electrolyte. Band gap values of CdSe films were found between 1.88 and 2.0 eV. Wide band gap ZnO was electrochemically deposited on narrow band gap CdSe to improve its optoelectronic properties. Band gap value of CdSe/ZnO nanonorods was determined as 2.7 eV. Mott-Schottky equation was utilized to calculate flat band potential (EFB), as well as charge carrier density (ND) of materials. ND values were found as 1.623×1020 and 9.186×1020 cm-3 for CdSe and CdSe/ZnO, respectively. ZnO offers higher stability and lower band gap is promising material to be utilized in solar cell applications.

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Section: The CV Results Of Itomentioning

confidence: 99%

CdSe ve CdSe/ZnO Filmlerin Elektrokimyasal Sentezi: Morfolojik, Yapısal ve Elektronik Özellikler

Sığırcık

Tüken

2022

Çukurova Üniversitesi Mühendislik Fakültesi Dergisi

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“…As an alternative, electrodeposition is a commercially important process because of its simplicity, low cost as well as possibility for large-scale production. A method for electrochemical deposition of various self organized CdSe structures (nanofibers, nonotubes and pearl-chain structures) was developed in our laboratory [8].…”

Section: Introductionmentioning

confidence: 99%

Electrochemical synthesis of CdSe/CdTe nanowires for hybrid photovoltaic structures

et al. 2014

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Advanced electrochemical technique was elaborated to fabricate self-organized CdSe nanowire structures from aqueous electrolytes on ITO coated glass substrates. We have recently been demonstrated successful electrochemical formation of free-assistent CdSe nanowire structures with diameter around 30 nm. This work has extended our previous research of electrodeposition of Cd chalcogenide (CdSe, CdS) nanowires to formation of core-shell CdSe/CdTe photosensitive nanowire structures. CdSe nanowire structures were synthesized potentiostatically from an acidic solution of H 2 SeO 3 and CdCl 2 at room temperature. Then the CdSe (core) nanowires were further passivated with CdTe (shell) thin film by method of electrochemical deposition from acidic solution of H 2 TeO 3 and CdCl 2 . The effect of interfacial passivation with CdTe layer on the performance of the prepared photovoltaic structures was investigated and special account was paid to the morphology, composition and photovoltaic properties of obtained CdSe/CdTe nano-layers. It should be noted, that electrically conductive polymer photoabsorbers (poly (3-octylthiophene) etc.) were applied successfully for preparation of high work-function ohmic contact-sensitizer layer to CdTe shells. The electrodeposition and spin-casting techniques were applied step-by-step to prepare complete hybrid photovoltaic structures.

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CdSe nanofiber and nanohorn structures on ITO substrates fabricated by electrochemical deposition

Kois

Gurevits

Bereznev

et al. 2013

Applied Surface Science

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Electrocrystallization of CdSe from aqueous electrolytes: Structural arrangement from thin films to self-assembled nanowires

Cited by 8 publications

References 15 publications

CdSe ve CdSe/ZnO Filmlerin Elektrokimyasal Sentezi: Morfolojik, Yapısal ve Elektronik Özellikler

CdSe ve CdSe/ZnO Filmlerin Elektrokimyasal Sentezi: Morfolojik, Yapısal ve Elektronik Özellikler

Electrochemical synthesis of CdSe/CdTe nanowires for hybrid photovoltaic structures

CdSe nanofiber and nanohorn structures on ITO substrates fabricated by electrochemical deposition

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