Results 81 to 90 of about 2,078,257 (185)

Diffuse reflectance spectra for titanium dioxide, graphitic carbon nitride, and their composites

Diffuse reflectance spectra for titanium dioxide (TiO2), graphitic carbon nitride (g-C3N4), and their composites annealed at 200 and 300 oC. Bulk graphitic carbon nitride was prepared by polymerizing pure urea at 600 oC.
Kuzhir, Polina,University of Eastern Finland Department of Physics and Mathematics, Maltanava, Hanna,University of Eastern Finland Department of Physics and Mathematics, Belko, Nikita,University of Eastern Finland Department of Physics and Mathematics   +2 more
core   +1 more source

Surface modification of graphitic carbon nitride with copper nanoparticles [PDF]

, 2023
Two different synthetic routes were employed to modify surface of graphitic carbon nitride (gCN) with copper nanoparticles (CuNPs). Structure, morphology and CuNPs distribution on presynthesized g-CN surface are characterized by FT-IR, XRD and TEM ...
Otoničar M., Carević M., Stamenović U., Vulic Tatjana, Abazović N., Čomor M., Vodnik V.   +6 more
core  

TENG‐Based Wearable Sensors for Continuous Self‐Powered Health Monitoring

Advanced Sensor Research, Volume 5, Issue 3, March 2026.
This paper systematically reviews the core working principles and theoretical models of TENGs, focusing on their applications in wearable physiological parameter acquisition. Aiming to provide systematic guidance for advancing this field from fundamental research toward robust, high‐performance wearable health monitoring systems.
Jinjie Duan, Yuning Lei, Zhuo Liu, Yu Song, Yuxiang Wu   +4 more
wiley   +1 more source

Graphitic Carbon Nitride Supported Catalysts for Polymer Electrolyte Fuel Cells. [PDF]

, 2014
Graphitic carbon nitrides are investigated for developing highly durable Pt electrocatalyst supports for polymer electrolyte fuel cells (PEFCs). Three different graphitic carbon nitride materials were synthesized with the aim to address the effect of ...
Corà, F, Wang, X, Christopher Gibbs, Paul F. McMillan, Rhodri Jervis, Brett, DJ, Gibbs, C, Jervis, R, Noramalina Mansor, Furio Corà, A. Belen Jorge, Jorge, AB, McMillan, PF, Xiaochen Wang, Daniel J. L. Brett, Mansor, N   +15 more
core   +1 more source

Rethinking Supercapacitors: A Guideline Perspective of Do's and Don'ts

Battery Energy, Volume 5, Issue 2, March 2026.
This work identifies 10 critical sources of errors in supercapacitive measurements, providing essential guidelines to improve accuracy and reliability in experimental data analysis. It emphasises the importance of consistent electrode preparation, electrolyte quality, measurement parameters, and environmental control for precise supercapacitor ...
Syam G. Krishnan, Hafiz Taimoor Ahmed Awan, Midhun Harilal, Javeesh Alex, D. Sajan, Mohammad Khalid   +5 more
wiley   +1 more source

Self-regenerated Solar-driven Photocatalytic Water-splitting by Urea Derived Graphitic Carbon Nitride with Platinum Nanoparticles

, 2012
A natural self-regeneration step for urea derived graphitic carbon nitride with platinum nanoparticles is found by simply opening the system to air in the dark under ambient conditions, following its solar-driven hydrogen production.
Yuewei Zhang（张玥薇）, Luhua Lu（芦露华）, Guan Wu（武观）, Wei Chen(陈韦), Jinghai Liu (刘景海)   +4 more
core  

Highly permeable and antifouling reverse osmosis membranes with acidified graphitic carbon nitride nanosheets as nanofillers

, 2017
Ultrathin graphitic carbon nitride (gCN) nanosheets, due to their two-dimensional graphene-like structure, regularly distributed triangular nanopores and structural defects on the laminar network, have attracted great research attention in fabricating ...
Xiang Gao, Yanan Shang, Xiaolong Yang, Baoyu Gao, Yong Wang, Yiming Li, Zhining Wang   +6 more
core   +1 more source

Reduced graphene oxide supported C3N4 nanoflakes and quantum dots as metal-free catalysts for visible light assisted CO2 reduction

Beilstein Journal of Nanotechnology, 2019
The visible light photocatalytic reduction of CO2 to fuel is crucial for the sustainable development of energy resources. In our present work, we report the synthesis of novel reduced graphene oxide (rGO)-supported C3N4 nanoflake (NF) and quantum dot (QD)
Md Rakibuddin, Haekyoung Kim
doaj   +1 more source

Synthesis, characterization and application of silver doped graphitic carbon nitride as photocatalyst towards visible light photocatalytic hydrogen evolution

, 2019
In this study, the series of silver doped graphitic carbon nitride composites (GCN-Agx) were prepared by varying the amount of silver nitrate added in urea for thermal polymerisation reaction among the two precursors.
Panchal, Priyanka, Gupta, A.P., Rattan Paul, Devina, Sharma, Anshu, Sharma, Rishabh; id_orcid   +4 more
core   +1 more source

Preparation of 2D Graphitic Carbon Nitride/Redox Polymer Composite Modified Electrode for Selective Detection of Epinephrine in Real-World Samples

ECS Sensors Plus
The development of an efficient, simple, and cost-effective electrode material for accurately measuring the activity of neurotransmitters in the human body has become a significant focus in the research community.
Gokul Sridharan, Surendar Balu, Raji Atchudan, Sandeep Arya, Surendra H. Mahadevegowda, Ashok K. Sundramoorthy   +5 more
doaj   +1 more source