Strain engineering improves the photovoltaic performance of carbon-based hole-transport-material free CsPbIBr < sub > 2 < /sub > perovskite solar cells
Chem Commun (Camb). 2024 Apr 17. doi: 10.1039/d4cc01012d. Online ahead of print.ABSTRACTAlkylamines with different chain lengths including n-butylamine, n-hexylamine, and n-octylamine, are applied to regulate the CsPbIBr2 perovskite film quality by strain engineering. The status of residual strains is controllably modulated, resulting in improved efficiency and stability of carbon-based hole-transport-material free CsPbIBr2 perovskite solar cells.PMID:38629259 | DOI:10.1039/d4cc01012d (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Wei He Xingxing Duan Qunwei Tang Jie Dou Jialong Duan Source Type: research
Efficient gold recovery by a thiazolyl covalent organic framework
Chem Commun (Camb). 2024 Apr 17. doi: 10.1039/d4cc01391c. Online ahead of print.ABSTRACTHere, we report a thiazoyl covalent organic framework, namely ECUT-COF-29, for gold recovery. Under visible light irradiation, this material can reduce Au3+ to Au0 in a short time, and the adsorption capacity is as high as 3714 mg g-1, showing great potential in gold recovery.PMID:38629262 | DOI:10.1039/d4cc01391c (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Zhecheng Huang Liecheng Guo Kai Yu Feng Gao Yuting Yang Feng Luo Source Type: research
Potential-selective electrochemiluminescence of AgInS < sub > 2 < /sub > /ZnS nanocrystals and its immunoassay application
Chem Commun (Camb). 2024 Apr 17. doi: 10.1039/d4cc00888j. Online ahead of print.ABSTRACTPotential-selective electrochemiluminescence (ECL) with tunable maximum-emission-potential ranging from 0.95 to 0.30 V is achieved using AgInS2/ZnS nanocrystals, which is promising in the design of multiplexed bioassay on commercialized ECL setups. The model system AgInS2/ZnS/N2H4 exhibits efficient ECL around 0.30 V and can be exploited for sensitive immunoassays with less electrochemical interference and crosstalk.PMID:38629343 | DOI:10.1039/d4cc00888j (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Mengwei Li Xuwen Gao Xiaoxuan Ren Yaojia Ai Bin Zhang Guizheng Zou Source Type: research
A calix[3]carbazole-based cavitand: synthesis, structure and its complexation with fullerenes
Chem Commun (Camb). 2024 Apr 17. doi: 10.1039/d4cc00928b. Online ahead of print.ABSTRACTA calix[3]carbazole-based cavitand was conveniently synthesized. It was found that the cavitand with adjustable conformation could show excellent complexation with fullerenes C60 and C70 in both solution and the solid state. Moreover, the crystal structures of the host-guest complexes show that the cavitand can stack into channel-like architectures, in which fullerenes are orderly arranged inside.PMID:38629394 | DOI:10.1039/d4cc00928b (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Fan Zhang Xu-Sheng Du Kui-Zhu Song Ying Han Hai-Yan Lu Chuan-Feng Chen Source Type: research
Carbon nanotube heterogenization improves cobalt pyridyldiimine complex CO < sub > 2 < /sub > reduction activity in aqueous carbonate buffer
We present two novel cobalt pyridyldiimine complexes functionalized with pyrene. Initially modest in homogeneous acetonitrile solution, their electrocatalytic CO2 reduction performance significantly improves upon immobilization on MWCNTs in an aqueous carbonate buffer. The complexes exhibit outstanding stability, with CO selectivity exceeding 97%, and TON and TOF values reaching up to 104 and above 1.2 s-1, respectively.PMID:38629464 | DOI:10.1039/d4cc00629a (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Baptiste Andrin Paulo Jorge Marques Cordeiro Junior David Provost St éphane Diring Yann Pellegrin Marc Robert Fabrice Odobel Source Type: research
Low-valent-tungsten catalysis enables hydroboration of esters and nitriles
Chem Commun (Camb). 2024 Apr 17. doi: 10.1039/d4cc00041b. Online ahead of print.ABSTRACTIn the research presented herein, low-valent-tungsten-catalyzed hydroboration of esters and nitriles was investigated. Aromatic and aliphatic substrates were smoothly reduced to corresponding alcohol derivatives and N,N-diborylamines in the presence of W(CO)4(NCMe)2. Valuable derivatives were conveniently accessed by introducing a further functionalization process to crude hydroboration mixtures in one pot.PMID:38629636 | DOI:10.1039/d4cc00041b (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Heng Song Yuting Xiao Jingjing Wei Yuzan Liu Liqing Yang Pengtao Bai Fu Yang Kai Yu Chen Xu Xingwei Cai Source Type: research
Stereoregular poly(2-phenylthiirane) < em > via < /em > cationic ring-opening polymerization
Chem Commun (Camb). 2024 Apr 17. doi: 10.1039/d4cc01281j. Online ahead of print.ABSTRACTHerein, we describe an effective strategy for synthesizing polythioethers with a well-defined structure through the cationic polymerization of thiirane with electron-withdrawing substituents. This strategy allows for precisely controlling the regio- and stereochemistry of the ring-opening polymerization of 2-phenylthiirane, thus allowing for producing poly(2-phenylthiirane) with high stereoregularity using enantiomeric pure thiirane.PMID:38630292 | DOI:10.1039/d4cc01281j (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Yu Xiao Tian-Jun Yue Xiao-Bing Lu Wei-Min Ren Source Type: research
A graphene-like hollow sphere anode for lithium-ion batteries
We report a flash Joule heating method for the rapid preparation of graphene-like materials. The L-GHS exhibited a uniform diameter of 200 nm and an ideal specific surface area of 670 m2 g-1. Meanwhile, the specific capacity of L-GHS remained at 942 mA h g-1 after 600 cycles (1 A g-1), which shows excellent electrochemical performance.PMID:38630296 | DOI:10.1039/d4cc00076e (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Lili You Shu Dong Yongzheng Fang Yan Guo Kai Zhu Yinyi Gao Tianzeng Bao Hongbin Wu Dianxue Cao Source Type: research
Halloysite-derived mesoporous silica with high ionic conductivity improves Li-S battery performance
Chem Commun (Camb). 2024 Apr 17. doi: 10.1039/d4cc01111b. Online ahead of print.ABSTRACTThe slow Li+ transport rate in the thick sulfur cathode of the Li-S battery affects its capacity and cycling performance. Herein, Fe-doped highly ordered mesoporous silica material (Fe-HSBA-15) as a sulfur carrier of the Li-S battery shows high ion conductivity (1.10 mS cm-1) and Li+ transference number (0.77). The Fe-HSBA-15/S cell has an initial capacity of up to 1216.7 mA h g-1 at 0.2C and good stability. Impressively, at a high sulfur load of 4.34 mg cm-2, the Fe-HSBA-15/S cell still maintains an area specific capacity of 4.47 mA h ...
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Ranxiao Ao Ziqi Zhu Shilin Zhang Qiang Zhang Chenyu Yan Feiyue Tu Tianbao Li Mitch Guijun Li Liangjie Fu Aidong Tang Huaming Yang Source Type: research
Endogenous H < sub > 2 < /sub > S-activated Ag nanoparticles embedded in programmed DNA-cubes for specific visualization of colorectal cancer cells
Chem Commun (Camb). 2024 Apr 17. doi: 10.1039/d4cc00085d. Online ahead of print.ABSTRACTTo avoid the unexpected aggregation and reduce the cytotoxicity of nanomaterials as optical probes in cell imaging applications, we propose a programmed DNA-cube as a carrier for silver nanoparticles (Ag NPs) to construct a specific hydrogen sulfide (H2S) responsive platform (Ag NP@DNA-cube) for diagnosing colorectal cancer (CRC) in this study. The DNA-cube maintains good dispersion of Ag NPs while providing excellent biocompatibility. Based on the characteristic overexpression of endogenous H2S in CRC cells, the Ag NPs are etched by H2...
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Wenhui Chen Wei Mao Yuqi Yin Ziyu Ma Meiqi Song Zixiao Ma Tingting Li Jia Zhu Chang Liu Hui Yu Sheng Tang Wei Shen Source Type: research
Hydrogen bonding-promoted tunable approach for access to aza-bicyclo-[3.3.0]octanes and cyclopenta[ < em > b < /em > ] pyrroles
Chem Commun (Camb). 2024 Apr 17. doi: 10.1039/d4cc01065e. Online ahead of print.ABSTRACTA unified strategy is disclosed that builds on successfully engaging the aniline nitrogen of 1,3-amphoteric γ-aminocyclopentenone for a tandem annulation with electron-poor alkynes, solely assisted by the H-bonding network of HFIP. This metal-free mild strategy provides access to medicinally relevant aza-bicyclo-octanes en route to another important scaffold: cyclopenta[b]pyrrole.PMID:38629143 | DOI:10.1039/d4cc01065e (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Sourav Pramanik Subhadeep Hazra Ayan Chatterjee Jaideep Saha Source Type: research
Plastron effect enhanced electrochemical CO < sub > 2 < /sub > reduction activity over hydrophobic three-dimensional nanoporous silver
In this study, we employed an electrochemical reduction approach to fabricate a hydrophobic three-dimensional nanoporous silver catalyst with a plastron effect, aiming to enhance the CO2 diffusion. The resulting catalyst exhibited an exceptional performance with the FECO peaking at 95% at -0.65 V (vs. RHE) and demonstrated remarkable stability during continuous electrolysis for 48 hours. Control experiments, together with Tafel analysis, EIS measurements, and contact angle results, confirmed that the notable enhancement of performance was attributed to the hydrophobic porous structure that facilitated efficient storage and...
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Yu Xue Yingming Zhu Chuan He Kejing Wu Yingying Liu Binshen Wang Houfang Lu Bin Liang Source Type: research
Construction of amorphous/crystalline Fe doped CoSe for effective electrocatalytic oxygen evolution
Chem Commun (Camb). 2024 Apr 17. doi: 10.1039/d4cc00866a. Online ahead of print.ABSTRACTHerein, amorphous/crystalline Fe-doped CoSe was synthesized (Fe-CoSe/NF), and it exhibited high oxygen evolution reaction (OER) performance. The synergistic effect of the Fe dopant and the amorphous/crystalline structure is conducive to the formation of high valence Co3+ and Fe3+ active sites. Fe-CoSe/NF shows low overpotentials of 269 mV@50 mA cm-2 and 280 mV@100 mA cm-2.PMID:38629222 | DOI:10.1039/d4cc00866a (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Wenjuan Chen Qian Zhang Youzheng Zhang Caidi Han Jinting Wu Jian Gao Xiao-Dong Zhu Yong-Chao Zhang Source Type: research
Turn-on fluorescent aptasensing for the determination of serotonin < em > via < /em > target-induced knot displacement at corona
Chem Commun (Camb). 2024 Apr 17. doi: 10.1039/d4cc00934g. Online ahead of print.ABSTRACTA turn-on fluorescence aptasensing approach for the highly sensitive and selective determination of 5-HT was proposed via target-induced knot displacement. 5-HT can be determined in a range from 0.5 nM to 100 nM with a limit of detection as low as 0.1 nM and a low dissociation constant of 2.3 nM.PMID:38629227 | DOI:10.1039/d4cc00934g (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: M A Hagir Omer Danyang Zhang Wenshuai Zhou Xiaolin Yang Honglan Qi Source Type: research
Phosphate-rich cellulose beads for efficient cesium extraction from aqueous solutions: a novel approach for cellulose utilization
This study presents the promising application potential of cellulose for efficient cesium extraction from aqueous media.PMID:38629231 | DOI:10.1039/d4cc00901k (Source: Chemical Communications)
Source: Chemical Communications - April 17, 2024 Category: Chemistry Authors: Weilian Zhao Mingming Wei Lichun Ma Tianlong Deng Jiayin Hu Source Type: research
