Optical techniques using developed laser and optical devices have made a profound impact
on modern medicine, with “biomedical optics” becoming an emerging field. Sophisticated …

Abstract Elemental two-dimensional (2D) materials, characterized by unique chemical,
physical, and electrical characteristics, now offer intriguing energy and catalysis application …

Semiconductor p–n junctions provide rectification behaviour and act as building blocks in
many electronic devices. However, the typical junction configuration restricts the potential …

Photodynamic therapy (PDT), as a non-invasive therapeutic modality that is alternative to
radiotherapy and chemotherapy, is extensively investigated for cancer treatments. Although …

The past decades have witnessed a rapid expansion in investigations of two-dimensional
(2D) monoelemental materials (Xenes), which are promising materials in various fields …

In recent years, 2D layered materials, including graphene, topological insulators, transition
metal dichalcogenides, black phosphorus, MXenes, graphitic carbon nitride, and metal …

Chalcogens, especially tellurium (Te), as conversion-type cathodes possess promising
prospects for zinc batteries (ZBs) with potential rich valence supply and high energy density …

Similar to graphene and black phosphorus (BP), 2D transition metal carbides and nitrides
(MXenes) are of great interest in a variety of fields, such as energy storage and conversion …

Flexible photodetectors exhibit many advantages such as a good bendability, foldability, and
even stretchability as well as weight light, which have triggered a widely concerned in …

Self‐powered photodetectors are considered as a new type of photodetectors enabling self‐
powered photodetection without external power. The excellent photoresponsivity, fast …