Demet Asil Alptekin

E-mail

ademet@metu.edu.tr

Department

Department of Chemistry

ORCID

0000-0001-6368-7151

Scopus Author ID

23988682800

Web of Science Researcher ID

G-7802-2019

Theoretical and Experimental Investigation of the Ligand-Directed Assembly and Photovoltaic Performance of PbSe Nanorods Kolay, İrem; Hacıefendioğlu, Tuğba; Aydın, Firdevs; Yıldırım, Erol; Asil Alptekin, Demet (2025-01-01) PbSe nanorods (NRs), featuring notable multiple exciton generation yield, are considered as one of the most promising nanoparticles for the solar energy field. In this respect, fundamental understanding of the PbSe NR-liga...
Synergistic hybrid nanostructures for Ultra-Sensitive photoelectrochemical detection of hepatocellular carcinoma ctDNA Okan, Meltem; Çağlayan Arslan, Zeynep; Aydın, Firdevs; Asil Alptekin, Demet; Külah, Haluk (2025-01-01) In recent years, the integration of quantum dots (QDs) and upconverting nanoparticles (UCNPs) has emerged as a promising strategy in biomedical research, leveraging QDs’ efficient down-conversion and UCNPs’ remarkable up-c...
Unveiling the potential of direct synthesized PbS CQD ink based solar cells through numerical simulation Uzun, Batuhan; Asil Alptekin, Demet (2024-12-01) Studies on lead sulfide-PbS quantum dot-QD based solar cells have gained considerable attention in recent years. A direct synthesis-DS method has emerged that makes it possible to obtain PbS ink in a single step by elimina...
Core-Shell Quantum Dot-Embedded Polymers for Antistatic Applications Ekim, Sunay Dilara; Aydin, Firdevs; Kaya, Gorkem Eylul; Baytekin, Hasan Tarık; Asil Alptekin, Demet; Baytekin, Bilge (2023-12-22) Electrical charges develop on the surfaces of two insulator materials when they are in contact and separated. The retention of charges on insulator polymers causes material losses and hazards in industries using these poly...
Solar cells based on PbSe nanorod-quantum dot heterostructures: Multiple exciton generation with record photo conversion efficiencies Kolay, İrem; Asil Alptekin, Demet (2023-08-17) Multiple-exciton generation (MEG) process has critical importance due to its high potential in increasing photocurrent and theoretical photoconversion efficiency (PCE) of the solar cells beyond the theoretical limits. In t...
PbSe nanorod-quantum dot bulk nano-heterojunction solar cells generating multiple excitons with record photo conversion efficiencies Kolay, İrem; Asil Alptekin, Demet (2023-06-01) Multi-exciton-generation (MEG) process is critical due to its potential to push solar cell photoconversion efficiencies (PCEs) beyond theoretical limits. However, cells with this feature are rare, as the demonstration of t...
Probing the Förster Resonance Energy Transfer Dynamics in Colloidal Donor-Acceptor Quantum Dots Assemblies Khalid, Muhammad Adnan; Mubeen, Muhammad; Mukhtar, Maria; Siddique, Zumaira; Sumreen, Poshmal; Aydın, Firdevs; Asil Alptekin, Demet; Iqbal, Azhar (2023-01-01) In this article, we report the synthesis of graphene quantum dots (GQDs) by hydrothermal method and surface modified CdS quantum dots (QDs) via the colloidal method and the fabrication of their dyad. The CdS QDs functional...
Effect of surface ligands on the photoinduced electron transfer rate and efficiency in ZnO quantum dots and graphene oxide assemblies Khalid, Muhammad Adnan; Mubeen, Muhammad; Mukhtar, Maria; Sumreen, Poshmal; Naz, Bushra; Aydın, Firdevs; Asil Alptekin, Demet; Iqbal, Azhar (2023-01-01) Apart from biocompatibility, ZnO quantum dots (QDs) are considered to be an efficient luminescence material due to their low cost and high redox potential. Here, we report the synthesis of ZnO QDs by using five different f...
Kurşun Selenyum Nano çubuk Temelli Nano Heteroeklem Güneş Hücreleri: Delik Taşıma Katmanının Cihaz Performansına Etkisi Kolay, İrem; Asil Alptekin, Demet (2021-10-28)
Kurşun Selenyum Kuantum Nokta ve Nanoçubuk Temelli Güneş Hücrelerinde Şeffaf ZnO Elektron İletim Tabakasının Optimizasyonu aydın, firdevs; Asil Alptekin, Demet; Kolay, İrem; Balıkoğlu, Bensu (2021-10-28)

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