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Recent Advances in Laser-Induced Carbon Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Energy and Catalysis".

Deadline for manuscript submissions: closed (20 April 2026) | Viewed by 942

Special Issue Editors


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Guest Editor
State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
Interests: nanostructured materials; laser-induced graphene; laser processing; electrochemical energy storage and sensing; microelectronic packaging
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
Interests: laser-induced graphene; semiconductor etching; microelectronic packaging; flexible electronics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Carbon nanomaterials, carbon materials at the nanoscale, are capable of simultaneously meeting the requirements of a rich structural morphology, highly active surfaces, high electrical/thermal conductivity, and strong chemical stability. These materials include graphene, carbon nanotubes, and carbon nano-fibres/rods/spheres. However, the traditional processes of preparing carbon nanomaterials usually require complex experimental setups, harsh synthesis conditions, and lengthy processing times. The emergence of laser processing techniques, as reported in 2014 by James M Tour, has made it possible to efficiently manufacture carbon nanomaterials on a large scale. By regulating laser types and parameters, local high temperatures up to 3000 K can be achieved in the laser–material interaction areas. The rapid heating and cooling characteristics (>106 K s−1) of laser processing can create unusual reaction conditions for preserving structural defects and/or heterostructures.

The present Special Issue of Nanomaterials aims to present the current state of the art in the application of laser-induced carbon nanomaterials in energy storage and sensing, particularly in micro-scale devices such as supercapacitors, strain/pressure sensors, biosensors, etc. The electrochemical properties of laser-induced carbon nanomaterials are closely linked to the choice of carbon precursors, laser types, and parameters. Therefore, discovering new carbon precursors and laser processing techniques is crucial. In the present Special Issue, we invite contributions from leading groups in the field with the aim of providing a balanced overview of the current state-of-the-art advances in this discipline.

Dr. Huilong Liu
Prof. Dr. Yun Chen
Guest Editors

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Keywords

  • carbon nanomaterials
  • supercapacitors
  • batteries
  • strain/pressure sensors
  • biosensors
  • laser fabrication
  • characterizations
  • precursors

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Published Papers (1 paper)

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Research

28 pages, 8267 KB  
Article
Surface Quality Enhancement of SLM-Fabricated Ti-6Al-4V via Top-Hat Laser Polishing: Melt Pool Dynamics and Microstructural Evolution
by Yingwei Kuang, Mingjun Liu, Haibing Xiao, Zhenmin Wang, Bowie Luo, Xiaomei Xu and Shun Gu
Nanomaterials 2026, 16(9), 505; https://doi.org/10.3390/nano16090505 - 22 Apr 2026
Viewed by 592
Abstract
Ti-6Al-4V parts fabricated via selective laser melting (SLM) often exhibit severe surface irregularities that limit their direct engineering application. This study proposes a top-hat beam laser polishing method to improve surface quality. The results show that surface roughness (Sa) is reduced to 0.48 [...] Read more.
Ti-6Al-4V parts fabricated via selective laser melting (SLM) often exhibit severe surface irregularities that limit their direct engineering application. This study proposes a top-hat beam laser polishing method to improve surface quality. The results show that surface roughness (Sa) is reduced to 0.48 μm, a 95.3% decrease from the as-built condition. The uniform energy distribution of the top-hat beam stabilizes melt pool behavior, enabling effective surface leveling through valley filling and lateral melt flow. In contrast, Gaussian beam polishing induces strong Marangoni convection and wake effects, resulting in higher residual roughness. Microstructural analysis indicates an increased fraction of equiaxed α grains and a β-phase content of ~6% after top-hat polishing. The heat-affected zone likely exhibits a subcritical heat-treatment-like effect, promoting fine secondary α precipitation. Additionally, localized stresses induced by steep thermal gradients during SLM are effectively relieved. Overall, top-hat laser polishing is a promising post-processing technique for enhancing the surface quality of Ti-6Al-4V components. Full article
(This article belongs to the Special Issue Recent Advances in Laser-Induced Carbon Nanomaterials)
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