GLORIA

GEOMAR Library Ocean Research Information Access

X

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • Royal Society of Chemistry (RSC)  (6)
  • 1
    Online Resource
    Online Resource
    Ultralow-power consumption photonic synapse transistors based on organic array films fabricated using a particular prepatterned-guided crystallizing strategy
    Royal Society of Chemistry (RSC) ; 2023
    In:  Journal of Materials Chemistry C Vol. 11, No. 9 ( 2023), p. 3213-3226
    Details
    In: Journal of Materials Chemistry C, Royal Society of Chemistry (RSC), Vol. 11, No. 9 ( 2023), p. 3213-3226
    Abstract: Artificial photonic synapses, owing to their high sensitivity, low power consumption, and integration of sensing and memory, have aroused comprehensive discussion and have been developed into devices used as the new sensors for the Internet of Things (IoT) and artificial neural networks (ANNs). Colossal energy consumption may be one of the factors hindering the development of neuromorphic computing. Herein, ternary component organic array films of TIPS-pentacene, polystyrene, and CsPbBr 3 perovskite quantum dots (QDs) are effectively developed to fabricate photonic synaptic transistors. The patterned organic thin films prepared by the solution processes can be distinctly controlled in the crystallographic orientation using a pre-patterned-guided crystallizing strategy and the corresponding transistor of TIPS-pentacene with mobility over 1 cm 2 V −1 s −1 is successfully achieved. On this basis, the ternary composite film exhibits synaptic behaviours from short-term plasticity (STP) to long-term plasticity (LTP), including paired-pulse facilitation (PPF), spike-time-dependent plasticity (STDP), spike-number-dependent plasticity (SNDP), spike-frequency dependent plasticity (SFDP) and light-potentiation/electric-depression. Benefiting from the improved material compatibility and film-forming properties of small molecule semiconductors and perovskite QDs with polymer polystyrene, our synapses still exhibit prominent synaptic features at a low power consumption of 0.036 fJ. Utilizing time-dependent plasticity, the synaptic device stimulated by a series of light signals realizes wireless optical communication. In addition, the pattern recognition function by ANNs is verified. This work provides a feasible fabricating path to patterned array film-based photonic synapses for the next generation human–computer interaction sensors.
    Type of Medium: Online Resource
    ISSN: 2050-7526 , 2050-7534
    URL: Article
    DOI: 10.1039/D2TC05125G
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2023
    detail.hit.zdb_id: 2702245-6
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 2
    Online Resource
    Online Resource
    3D hierarchical networks constructed from interlayer-expanded MoS 2 nanotubes and rGO as high-rate and ultra-stable anodes for lithium/sodium-ion batteries
    Royal Society of Chemistry (RSC) ; 2023
    In:  Journal of Materials Chemistry C
    Details
    In: Journal of Materials Chemistry C, Royal Society of Chemistry (RSC)
    Abstract: Unsatisfactory cycling stability and rate capability due to volume expansion and poor electrical conductivity greatly hinder the practical application of MoS 2 -based materials. Aiming to address these issues, a novel 3D hierarchical conductive network architecture consisting of MoS 2 nanotubes derived from self-assembled ultrathin MoS 2 nanosheets with in situ N-doped carbon intercalation and reduced graphene oxide used as an encapsulating function (NC-MoS 2 @rGO) were effectively achieved. Due to many advantages mainly including hollow tubes, ultrathin MoS 2 nanosheets, expanded interlayer spacing and highly conductive rGO wrapping, this architecture achieves more active sites, faster electron and ion transport rates, and greater structural stability. These advantages are finally attributable to the excellent electrochemical performance of lithium-ion batteries (LIBs) and sodium-ion batteries (NIBs). In LIBs, NC-MoS 2 @rGO displays a high specific capacity of 1308.6 mA h g −1 at 0.2 A g −1 after 200 cycles, superior rate capability (834.2 mA h g −1 at 10 A g −1 ), and ultra-long cycle stability (528.4 mA h g −1 at 5 A g −1 after 6590 cycles). In addition, the electrode also obtained the expected discharge capacity (554.8 mA h g −1 at 0.2 A g −1 after 200 cycles) and cycle stability (463.6 mA h g −1 at 1 A g −1 after 1000 cycles and 383.2 mA h g −1 at 2 A g −1 after 1500 cycles) in Na ion storage. Furthermore, we elucidated the highly reversible electrochemical storage behavior of Na ions by using the ex situ X-ray diffraction (XRD) technique. Density functional theory (DFT) calculations further prove the positive effect of the added graphene on the improvement of battery performance.
    Type of Medium: Online Resource
    ISSN: 2050-7526 , 2050-7534
    URL: Article
    DOI: 10.1039/D3TC02333H
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2023
    detail.hit.zdb_id: 2702245-6
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 3
    Online Resource
    Online Resource
    Superstructure MOF as a framework to composite MoS 2 with rGO for Li/Na-ion battery storage with high-performance and stability
    Royal Society of Chemistry (RSC) ; 2022
    In:  Dalton Transactions Vol. 51, No. 9 ( 2022), p. 3472-3484
    Details
    In: Dalton Transactions, Royal Society of Chemistry (RSC), Vol. 51, No. 9 ( 2022), p. 3472-3484
    Abstract: Metal sulfides, one kind of electrode material with very high theoretical capacity, have been widely studied for use in lithium and sodium ion batteries. However, there are some problems hindering their applications in electrodes, such as low conductivity and volume expansion. The MOF introduces metals with different coordination strengths into an existing MOF structure, which improves the performance of the electrode to a certain extent. In this paper, Fe/Zn bimetallic MOF rod-like superstructure was prepared based on Ostwald theory. Accompanied by sulfuration, the MOF was effectively combined with MoS 2 and GO, and the objective materials Fe 7 S 8 -C/ZnS-C@MoS 2 /rGO composites were successfully prepared. The MOF material provides a good frame and an efficient electron transport path, while the robust rGO wall effectively inhibits the pulverization of materials during the lithium/sodium intercalation/escalation courses. This particular material exhibited excellent cycling and rate capability performance when used in Li/Na-ion batteries. When used in Li-batteries, the electrode material delivered a specific capacity of 1598.3 mA h g −1 at 0.1 A g −1 and remained at 1196.7 mA h g −1 even after about 100 cycles and further exhibited a specific capacity of 368.68 mA h g −1 at the current rate of 5 A g −1 even after 1000 cycles, respectively. As for sodium batteries, these electrode materials exhibited an initial reversible capacity of 1053.6 mA h g −1 at 0.1 A g −1 and the reversible capacity was still as high as 592.2 mA h g −1 after 200 cycles. It is perhaps that this composite material with its particular architecture and composition is greatly beneficial for electron transfer and Li/Na ion diffusion. In the repeated physicochemical/nutrifying process, the appropriate distance between adjacent MOFs is of great help in preventing volume changes and thus improving the electrochemical performance.
    Type of Medium: Online Resource
    ISSN: 1477-9226 , 1477-9234
    URL: Article
    DOI: 10.1039/D1DT03949K
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2022
    detail.hit.zdb_id: 1472887-4
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 4
    Online Resource
    Online Resource
    Nickel-catalyzed enantioselective 1,2-vinylboration of styrenes
    Royal Society of Chemistry (RSC) ; 2021
    In:  Chemical Science Vol. 12, No. 39 ( 2021), p. 13209-13215
    Details
    In: Chemical Science, Royal Society of Chemistry (RSC), Vol. 12, No. 39 ( 2021), p. 13209-13215
    Abstract: A novel nickel-catalyzed asymmetric 1,2-vinylboration reaction has been developed to afford benzylic alkenylboration products with high yields and excellent enantioselectivities by using a chiral bisoxazoline ligand. Under optimized conditions, a wide variety of chiral 2-boryl-1,1-arylvinylalkanes are efficiently prepared from readily available olefins and vinyl halides in the presence of bis(pinacolato)diboron as the boron source in a mild and easy-to-operate manner. This three-component cascade protocol furnishes exceptional chemo- and stereoselectivity, and its usefulness is illustrated by its application in asymmetric modifications of several structurally complex natural products and pharmaceuticals.
    Type of Medium: Online Resource
    ISSN: 2041-6520 , 2041-6539
    URL: Article
    DOI: 10.1039/D1SC04071E
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2021
    detail.hit.zdb_id: 2559110-1
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 5
    Online Resource
    Online Resource
    Construction of a continuously layered structure of h-BN nanosheets in the liquid phase via sonication-induced gelation to achieve low friction and wear
    Royal Society of Chemistry (RSC) ; 2019
    In:  Nanoscale Vol. 11, No. 26 ( 2019), p. 12553-12562
    Details
    In: Nanoscale, Royal Society of Chemistry (RSC), Vol. 11, No. 26 ( 2019), p. 12553-12562
    Type of Medium: Online Resource
    ISSN: 2040-3364 , 2040-3372
    URL: Article
    DOI: 10.1039/C9NR03685G
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2019
    detail.hit.zdb_id: 2515664-0
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 6
    Online Resource
    Online Resource
    Reactive inkjet printing of graphene based flexible circuits and radio frequency antennas
    Royal Society of Chemistry (RSC) ; 2021
    In:  Journal of Materials Chemistry C Vol. 9, No. 38 ( 2021), p. 13182-13192
    Details
    In: Journal of Materials Chemistry C, Royal Society of Chemistry (RSC), Vol. 9, No. 38 ( 2021), p. 13182-13192
    Abstract: Graphene-based materials show great promise in wearable electronics due to their remarkable properties such as excellent electrical conductivity, high flexibility and light weight. Various techniques have been used to fabricate graphene-based electronics, such as lithography, template-assisted synthesis, and chemical vapor deposition. However, these patterning methods normally involve complex procedures, toxic solvents and extra machinery, which are highly challenging for large-scale industrial production. Herein, we have developed an in situ approach to fabricate reduced graphene oxide (rGO) conductive patterns on flexible substrates via reactive inkjet printing without any post-treatment. Electronic circuits and WIFI antennas consisting of conductive rGO lines with a minimum width of 100 μm and remarkable mechanical durability were successfully fabricated. The highest electrical conductivity of the printed rGO lines was 2.69 × 10 4 S m −1 using optimised printing conditions. The rGO based radio frequency antenna demonstrated transmission with a measured domain name system (DNS) delay of 243 ms. When accessed via a 100 Mbps router, the network speed reached up to 4.64 Mbps, which is comparable to that of the current commercial mobile phone antenna (DNS delay 237 ms, network speed 4.73 Mbps). This demonstrates the potential of reactive inkjet printing for the industrialisation of graphene-based wearable electronics.
    Type of Medium: Online Resource
    ISSN: 2050-7526 , 2050-7534
    URL: Article
    DOI: 10.1039/D1TC02352G
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2021
    detail.hit.zdb_id: 2702245-6
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...