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29,368 Newest Publications about the topic solution

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The effect of donor content on the efficiency of P3HT:PCBM bilayers: optical and photocurrent spectral data analyses

16-12-2014 | Mosé Casalegno; Dariusz Kotowski; Andrea Bernardi; Silvia Luzzati; Riccardo Po; Guido Raos, Physical Chemistry Chemical Physics, 2014

State-of-the-art organic solar cells mostly rely on bulk-heterojunction architectures, where the photoactive layer is cast from a solution containing both the electron donor and acceptor components and subsequently annealed. An alternative route for device preparation is the sequential deposition ...

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Pigment violet 19 – a test case to define a simple method to simulate the vibronic structure of absorption spectra of organic pigments and dyes in solution

16-12-2014 | Benoît Champagne; Vincent Liégeois; Freddy Zutterman, Photochemical & Photobiological Sciences, 2014

A typical quinacridone pigment, PV19, has been used to analyze the impact of several computational parameters on the UV/vis absorption band shape in solution, simulated using density functional theory and time-dependent density functional theory levels of approximation. These encompass, (i) the ...

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The inner filter effect of Cr(VI) on Tb-doped layered rare earth hydroxychlorides: new fluorescent adsorbents for the simple detection of Cr(VI)

16-12-2014 | Hyunsub Kim; Byung-Il Lee; Song-Ho Byeon, Chemical Communication, 2014

Terbium-doped layered yttrium hydroxychlorides (LYH:xTb) were explored for the simple and convenient detection of Cr(vi) in aqueous solution, where the effective overlap of excitation bands of LYH:xTb with absorption bands of Cr(vi) constructs a new inner filter effect system. The shielding of ...

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Heterostructured Calcium Carbonate Nanowires Controlled by a Cationic Polyelectrolyte

16-12-2014 | Jianhua Zhu; Lei Huang; Mingfang Cui; Li Ma, CrystEngComm, 2014

The heterostructured biomimetic materials of calcite microcrystals covered with aragonite nanowires, as well as aragonite fibers decorated with small calcite tips, were first synthesized in a cationic polyelectrolyte mineral solution. The polymorph switching in the same microstructures shows ...

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Europium doped LaF3 nanocrystals with organic 9-oxidophenalenone capping ligands that display visible light excitable steady-state blue and time delayed red emission

16-12-2014 | Mir Irfanullah; Arindam Chowdhury; Dharmendar Kumar Sharma; Ramya Chulliyil, Dalton Transactions, 2014

A visible light excitable and colour tunable ~5% Eu3+-doped LaF3 nanocrystals (NCs) containing 9-oxidophenalenone ligands bound to the surface as visible light sensitizers for Eu3+ dopants, have been synthesized by a facile solution based method. The crystalline phase structure, size, ...

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Stability of inverted organic solar cells with ZnO contact layers deposited from precursor solutions

16-12-2014 | Bradley A. MacLeod; Bertrand J. Tremolet de Villers; Philip Schulz; Paul F. Ndione; Hyungchul Kim; Anthony J. Giorda ..., Energy & Environmental Science, 2014

We report on investigations of the stability of inverted organic solar cells with ZnO electron collecting interlayer that are solution-processed from zinc acetate (ZnAc) or diethylzinc (deZn) precursors. Characterization of the respective solar cells suggests that the two materials initially ...

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The solution chemistry and reactivity of lacunary Keggin silicotungstates monitored in real-time by a combination of mass spectrometry and electrochemistry

16-12-2014 | Qiaodi Jia; Jie Cao; Yunpeng Duan; Changwen Hu, Dalton Transactions, 2014

The solution chemistry of a series of mono-, di- and trilacunary Keggin silicotungstates was investigated by electrospray ionization mass spectrometry (ESI-MS) and general electrospray features especially for lacunary POMs are summarized. The reactions of vanadium incorporation into the lacunary ...

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Near‐IR Phosphorescent Ruthenium(II) and Iridium(III) Perylene Bisimide Metal Complexes

12-12-2014 | Marcus Schulze, Andreas Steffen, Frank Würthner, Angewandte Chemie International Edition, 2014

Abstract The phosphorescence emission of perylene bisimide derivatives has been rarely reported. Two novel ruthenium(II) and iridium(III) complexes of an azabenz‐annulated perylene bisimide (ab‐PBI), [Ru(bpy)2(ab‐PBI)][PF6]2 1 and [Cp*Ir(ab‐PBI)Cl]PF6 2 are now presented that both show NIR ...

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Effect of operating conditions on size and morphology of amylose nanoparticles prepared by precipitation

12-12-2014 | Yan Dong, Yanjiao Chang, Qian Wang, Jin Tong, Jiang Zhou, Starch - Stärke, 2014

Nano‐sized amylose particles were prepared by precipitating amylose solution (using DMSO/water mixture as solvent) with absolute ethanol. Effects of operating conditions, including temperature and solvent composition for preparing amylose solution, amylose concentration, ethanol amount used for ...

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Fabrication of Organic Light‐Emitting Devices Comprising Stacked Light‐Emitting Units by Solution‐Based Processes

12-12-2014 | Yong‐Jin Pu, Takayuki Chiba, Kazushige Ideta, Shogo Takahashi, Naoya Aizawa, Tatsuya Hikichi, Junji Kido, Advanced Materials, 2014

Multi‐organic light‐emitting devices comprising two light‐emitting units stacked in series through a charge‐generation layer are fabricated by solution processes. A zinc oxide nanoparticles/polyethylene­imine bilayer is used as the electron‐injection layer and phosphomolybdic acid is used as ...

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