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801.
L. K. Samanta D. K. Ghosh P. S. Ghosh S. Chatterjee 《Crystal Research and Technology》1993,28(8):1175-1179
I1n view of the present global energy crisis the advent of the ternary chalcopyrites with some important useful properties stimulate us to study these compounds together with their mixed versions with a view to find their suitability as efficient solar cell materials. We finally selected out a few promising materials, as some of them have desirable characteristics and satisfy the stringent requirements for photovoltaic energy conversion. 相似文献
802.
Ashvani Kumar Patel Prof. Sampak Samanta 《European journal of organic chemistry》2023,26(33):e202300631
An efficient sequential one-pot, two-step pseudo-four-component reaction between 3/4-methyl N-sulfonyl ketimines with 3-chloropropiophenones triggered by DIPEA/NaHCO3 as a cooperative base and subsequent aza-cyclization using NH4OAc is reported. This transition-metal-oxidant-free technique concocts new C−C/C=C/C=N−C bonds selectively, guaranteeing acceptable yields of 2,3,6-trisubstituted pyridines possessing ortho-hydroxyaryl/benzenesulfonamide and propiophenone moieties at C2 and C3 positions, respectively. Interestingly, while replacing methyl-substituents with straight alkyl chains of N-sulfonyl ketimines, only a monoalkylation reaction happened with in situ-generated vinyl ketones to deliver promising yields of 3-picoline derivatives. Moreover, the synthetic transmutation of prepared pyridine derivative led to several important classes of pyridocoumarin, 5H-chromenopyridine, and di(pyridin-3-yl) methane derivatives. 相似文献
803.
Correction to: Non‑precious transition metal‑based counter electrodes for dye‑sensitized solar cells
Journal of Solid State Electrochemistry - 相似文献
804.
805.
Band state concept has been used for the first time to explain the Melting temperature and Debye temperature of ternary chalcopyrite semiconductors. The experimental results agree quite well with those evaluated from this model. Finally we derive a correlation between the two termperatures. 相似文献
806.
Journal of Solid State Electrochemistry - A non-platinum metal catalyst, TiNx-C, was synthesized through the high-pressure pyrolysis method, which was characterized using a transmission electron... 相似文献
807.
Varnakumar Gayathri K. Stephen Suresh Prem Dr. Niraikulam Ayyadurai Dr. Debasis Samanta 《European journal of organic chemistry》2023,26(14):e202201182
Click reaction or copper-assisted azide–alkyne cycloaddition (CuAAC) reaction can conveniently synthesize desired organic molecules or functionalize biological macromolecules. In many cases, trace amounts of residual copper from the reaction mixture are not trivial to remove when the exhaustive purification step is avoided to fulfill the essential criteria of a click reaction. It is often detrimental, particularly for biochemical applications or when it involves biological macromolecules. Herein, we have reported the synthesis of a new type of copper (I) complex as a smart catalyst for click reaction, which can be separated from the reaction mixture very easily by the slight elevation of temperature, thanks to its thermoresponsive behavior. The click reactions using a thermoresponsive catalyst were first studied in an aqueous medium using various organic molecules containing alkyne and azide functional groups. Later, the strategy was extended to biological macromolecules like collagen. 相似文献