DataVXACS NanoPaper
journal article·2015-02-24

Highly Efficient Photothermal Effect by Atomic-Thickness Confinement in Two-Dimensional ZrNCl Nanosheets

Feng Feng, Hongyan Guo, Dianqi Li, Changzheng Wu, Junchi Wu, Wenshuai Zhang, Shaojuan Fan, Yuchen Yang, Xiaojun Wu, Jinlong Yang, Bangjiao Ye, Yi Xie

ACS Nano· Volume 9· Issue 2
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Source abstract

Abstract

We report a giant photothermal effect arising from quantum confinement in two-dimensional nanomaterials. ZrNCl ultrathin nanosheets with less than four monolayers of graphene-like nanomaterial successfully generated synergetic effects of larger relaxation energy of photon-generated electrons and intensified vibration of surface bonds, offering predominantly an enhancement of the electron-phonon interaction to a maximized extent. As a result, they could generate heat flow reaching an ultrahigh value of 5.25 W/g under UV illumination with conversion efficiency up to 72%. We anticipate that enhanced electron-phonon coupling in a quantum confinement system will be a powerful tool for optimizing photothermal conversion of inorganic semiconductors.
Source: openalex_inverted_index · Quality: baseline

Research context

NanomaterialsElectronic materials

OpenAlex topics: 2D Materials and Applications · MXene and MAX Phase Materials · Advanced Photocatalysis Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Hefei National Laboratory for Physical Sciences at Microscale & Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026, P.R. China

Department of Modern Physics & State Key Laboratory of Particle Detection and Electronics, University of Science & Technology of China, Hefei, Anhui 230026, P.R. China

Department of Physics and Astronomy, University of Utah, Salt Lake City, Utah 84112, United States

Funding

Ministry of Education of the People's Republic of China · National Natural Science Foundation of China · Chinese Academy of Sciences

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