Self-Powered Ultra-Broadband p-p MWCNTs/PdO/Si Homomorphic Heterostructure Photodetector for Dual-Channel Encrypted Optical Communication and Thermal Monitoring.

Chen Rong, Jiayi Sun, Zhikun Pang, Xinyi Han, Jingyao Wang, Cuicui Ling, Wenpeng Liu

Abstract read

In one paragraph

Article in Small (Weinheim an der Bergstrasse, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Chen RongShandong Key Laboratory of Intelligent Energy Materials, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, China.

Jiayi SunShandong Key Laboratory of Intelligent Energy Materials, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, China.

Zhikun PangShandong Key Laboratory of Intelligent Energy Materials, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, China.

Xinyi HanShandong Key Laboratory of Intelligent Energy Materials, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, China.

Jingyao WangNational Laboratory of Solid State Microstructures, School of Electronic Science and Engineering, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, China.

Cuicui LingShandong Key Laboratory of Intelligent Energy Materials, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, China.ORCID https://orcid.org/0000-0002-5694-134X

Wenpeng LiuHarvard Medical School, Harvard University, Boston, Massachusetts, USA.

Funding

National Natural Science Foundation of China 52472176

6 · The paper itself

Abstract

Ultra-broadband photodetectors (UB-PDs) represent a key technological frontier for optical communication and thermal monitoring owing to their monolithically integrated, wide-spectrum photoresponsivity. However, photocurrent degradation caused by charge-carrier recombination, which primarily arises from lattice mismatch and interface defects in heterostructures, remains a major limitation on improving the sensitivity and response speed of UB-PDs. Here, we demonstrate a self-powered ultra-broadband UB-PD based on a p-p multi-walled carbon nanotubes (MWCNTs)/PdO/p-Si homomorphic heterostructure with enhanced photoelectronic characteristics for dual-channel encrypted optical communication and thermal monitoring. The device exhibits exceptional photoelectronic performance across an exceptionally broad spectral range (365 nm to the mid-infrared, MIR) at room temperature, achieving a self-powered responsivity (R) of 0.72 A/W, detectivity (D*) of 5.85×10

Indexed as

multi‐walled carbon nanotubespalladium oxidep‐p homomorphic heterostructureself‐poweredultra‐broadband photodetector

Identifiers

PMID42454588

DOI10.1002/smll.74626

PMCPMC13568935

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.