We present the rational synthesis of colloidal copper (I) sulfide nanocrystals and demonstrate their application as an active light absorbing component in combination with CdS nanorods to make a solution-processed solar cell with 1.6percent power conversion efficiency on both conventional glass s.
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Apr 5, 2024· The perovskite crystals formed by methylammonium lead iodide (MAPbI3) have garnered growing interest owing to their exceptional photovoltaic capabilities, economical production process, and ability to be processed in solution. A multitude of techniques have been devised to produce dense and uniform perovskite thin coatings, which are critical for the
We report an efficient synthesis of copper indium sulfide nanocrystals with strong photoluminescence in the visible to near-infrared. This method can produce gram quantities of material with a chemical yield in excess of 90% with minimal solvent waste.
Jun 26, 2012· A facile route for the direct colloidal synthesis of copper(I) sulfide nanorods by using a thiol that thermally decomposes easily and serves as the sulfur source and adjustment of the nucleation temperature makes it possible to tailor uniform nanorod with lengths from 10 to 100 nm. Many physical and chemical properties of semiconducting nanocrystals strongly depend
Oct 4, 2018· Increasing the sustainability of nanocrystals is crucial to their application and the protection of the environment. Sulfur precursors for their synthesis are commonly obtained through multiple
Pearl L. Saldanha, Rosaria Brescia, Mirko Prato, Hongbo Li, Mauro Povia, Liberato Manna, and Vladimir Lesnyak . Generalized One-Pot Synthesis of Copper Sulfide, Selenide-Sulfide, and Telluride-Sulfide Nanoparticles.
Dec 1, 2012· As a p-type semiconductor with a bulk band gap of 1.2 eV, copper(I) sulfide (Cu 2 S) has many applications in solar cells [9], [10], cold cathodes [11], catalysis [12] and nanoscale switches [13] cause of its narrow band-gap, Cu 2 S is often used in solar cells together with another n-type semiconductor with large band-gap to form p–n junction. . However Cu 2 S
The rational synthesis of colloidal copper(I) sulfide nanocrystals are presented and their application as an active light absorbing component in combination with CdS nanorods to make
Bo Yang, Liang Wang, Jun Han, Ying Zhou, Huaibing Song, Shiyou Chen, Jie Zhong, Lu Lv, Dongmei Niu, and Jiang Tang . CuSbS2 as a Promising Earth-Abundant Photovoltaic Absorber Material: A Combined Theoretical and Experimental Study.
Oct 17, 2016· Abstract Hexagonal copper-deficient copper(I) sulfide (Cu2-x S, x = 0.03, 0.2) nanocrystals (NCs) are synthesized from a newly prepared single-source precursor (SP), [Cu(bdpa)2][CuCl2], where bdpa is benzyl 3,5-dimethyl-pyrazole-1-carbodithioate. The SP is crystallized with space group Pī and possesses a distorted tetrahedron structure with a
We present the rational synthesis of colloidal copper(I) sulfide nanocrystals and demonstrate their application as an active light absorbing component in combination with CdS nanorods to
Jul 19, 2010· Chalcocite copper(I) sulfide (Cu2S) is a typical p-type semiconductor with a bulk band gap of 1.2 eV [1], which has been extensively studied and used in many applications, such as cancer therapy
We present the rational synthesis of colloidal copper(I) sulfide nanocrystals and demonstrate their application as an active light absorbing component in combination with CdS nanorods to make a solution-processed solar cell with 1.6percent power conversion efficiency on both conventional glass substrates and flexible plastic substrates with stability over a 4 month testing period.
Jun 24, 2008· We present the rational synthesis of colloidal copper (I) sulfide nanocrystals and demonstrate their application as an active light absorbing component in combination with CdS
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Aug 2, 2010· Monodispersed copper sulfide nanocrystals were synthesized via the decomposition of an air-stable precursor, copper (I) thiobenzoate (CuTB), in the presence of dodecanethiol (DDT). Expand. 116. Save. Synthesis and photovoltaic application of copper(I) sulfide nanocrystals. Yue Wu Cyrus Wadia Wanli Ma B. Sadtler A. P. Alivisatos. Materials
Feb 1, 2021· For practical applications, copper sulfide nanocrystals should be dispersed directly in polar solvent, which could then be deposited onto carbon electrode. Polyol solvothermal method [11], [12] is an attractive strategy for the direct synthesis of hydrophilic nanoparticles with good crystallinity, which has advantages such as low fabrication
Aug 21, 2011· Wu, Y. et al. Synthesis and photovoltaic application of copper(I) sulfide nanocrystals. Nano Lett. 8, 2551–2555 (2008). Article CAS Google Scholar
Sep 6, 2008· Heterostructured Cu2S−In2S3 nanocrystals with various shapes and compositions were synthesized by a high-temperature precursor-injection method using the semiconductor nanocrystal Cu1.94S as a catalyst. The intrinsic cationic deficiencies formed at high temperature by Cu ions made the Cu1.94S nanocrystal a good candidate for catalyzing the nucleation and
1. Introduction The advances in colloidal synthesis approaches over the past decade have resulted in unprecedented synthesis control over several solution-processed two-dimensional (2D) nanocrystals (NCs), with layered and non-layered structures, that display extraordinary physical and optoelectronic properties. 1–8 In the layered structures, each monolayer with a covalently
A High-Nuclearity Copper Sulfide Nanocluster [S-Cu50] Featuring a Double-Shell Structure Configuration with Cu (II)/Cu (I) Valences. Journal of the American Chemical Society 2023, Article ASAP. Soumya Mukherjee, Anjan Kumar NM, Saranya Ramesh, B. Karthikeyan, N. Kamaraju.
1 Synthesis and photovoltaic application of copper (I) sulfide nanocrystals Yue Wu 1, †, Cyrus Wadia 1,2, †, Wanli Ma 1, Bryce Sadtler 1, A. Paul Alivisatos 1,3,4, * 1Department of Chemistry, University of California, Berkeley, CA 94720 USA 2 Energy & Resources Group, University of California, Berkeley, CA 94720 USA 3Department of Materials Science and Engineering,
Mar 1, 2013· We have investigated the feasibility of aerosol spray pyrolysis for the synthesis of copper sulfide nanocrystals, which are promising candidates for the development of low-cost, printable photovoltaic devices. A solution of copper diethyldithiocarbamate in toluene is aerosolized and aerodynamically dragged through a tube furnace, where the droplets are dried
Our synthesis of colloidal Cu 2S nanocrystals involves an injection reaction between copper (II) acetylacetonate and ammonium diethyldithiocarbamate in a mixed solvent of dodecanethiol
Jun 18, 2010· A simple one-pot method is developed to prepare size- and shape-controlled copper(I) sulfide (Cu 2 S) nanocrystals by thermolysis of a mixed solution of copper acetylacetonate, dodecanethiol and oleylamine at a relatively high temperature. The crystal structure, chemical composition and morphology of the as-obtained products are characterized
Jun 1, 2011· Among the non-toxic nanomaterials with a small energy band gap that are promising for photovoltaic devices are: iron sulfide (FeS 2 ), tungsten sulfide (WS 2 ) and copper sulfide (Cu 2 S) [7].
Apr 1, 2014· Manipulating surface ligands of Copper Sulfide nanocrystals: Synthesis, characterization, and application to organic solar cells CuS NCs can form a thin and smooth film without ligand-exchange that can be used as hole transport layer in organic solar cell. These hydrophilic CuS NCs with pyridine ligands can be exchanged with OAm and OA
Apr 27, 2017· E demand on our traditional energy resources makes harnessing underutilized alternative energy sources all the more necessary and desirable to the scientific community. Colloidal copper(I) sulfide nanocrystals (NCs) are an attractive photovoltaic device component due to their solar absorption characteristics; Cu2S is a p-type semiconductor with a bandgap
Jun 18, 2010· A simple one-pot method is developed to prepare size- and shape-controlled copper(I) sulfide (Cu2S) nanocrystals by thermolysis of a mixed solution of copper acetylacetonate, dodecanethiol and
Copper(I) sulfide (Cu2S) nanodisks with controllable size and aspect ratio have been synthesized by using a one-pot colloidal process, in which no pre-prepared organometallic precursors are required. The reaction involves the injection of dodecanethiol into a hot solution containing copper salt, surfactants, and a high boiling-point organic solvent. Copper thiolate forms at the
Sep 15, 2022· Colloidal synthesis and characterization of polytypic CZTS nanocrystals. CZTS derived from ZnS, which inherits the atomic arrangement, has WZ and KS phases (Supplementary Fig. 1) 39,40.The
We present the rational synthesis of colloidal copper (I) sulfide nanocrystals and demonstrate their application as an active light absorbing component in combination with CdS nanorods to make
Jan 15, 2021· High-purity copper sulfides including CuS, Cu1.75S and Cu2S were synthesized using an easy and controllable two-step heating method in a mixed solution of ethylene glycol and triethylenetetramine. Petal-like CuS, near-spherical Cu2S, and regular hexagonal Cu1.75S were obtained by simply changing the solvent volume ratio (SVR) of the mixed solution, i.e. the
Mar 19, 2013· We have investigated the feasibility of aerosol spray pyrolysis for the synthesis of copper sulfide nanocrystals, which are promising candidates for the development of low-cost, printable photovoltaic devices.
May 25, 2018· There are many synthetic pathways to copper sulfide nanocrystals, like hot injection method [11], hydrothermal [12] and solvothermal synthesis [13], electrodeposition [14] or microwave irradiation [15].Also the mechanochemical synthesis, which is currently an inevitable method for the synthesis of chalcogenides [16], was successfully applied for the synthesis of
Dec 14, 2018· We report the synthesis and structural studies of copper sulfide nanocrystals from copper (II) dithiocarbamate single molecule precursors. The precursors were thermolysed in hexadecylamine (HDA) to prepare HDA-capped CuS nanocrystals. The optical properties of the nanocrystals studied using UV–visible and photoluminescence spectroscopy showed
Aug 1, 2008· We present the rational synthesis of colloidal copper (I) sulfide nanocrystals and demonstrate their application as an active light absorbing component in combination with CdS
Don-Hyung Ha, Andrew H. Caldwell, Matthew J. Ward, Shreyas Honrao, Kiran Mathew, Robert Hovden, Margaret K. A. Koker, David A. Muller, Richard G. Hennig, and Richard D. Robinson . Solid–Solid Phase Transformations Induced through Cation Exchange and Strain in 2D Heterostructured Copper Sulfide Nanocrystals.
Apr 1, 2014· Similarly, copper sulfide (CuS) QDs have also received tremendous attention recently owing to their applications in photovoltaic devices, gas sensors, catalysis and non-linear optics etc. [24].CuS
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