DataVXAdvanced Materials TechnologiesPaper
journal article·2023-07Open access

Microfluidic‐Assisted Growth of Perovskite Single Crystals for Photodetectors

Ilenia Viola, Fabio Matteocci, Luisa De Marco, Leonardo Lo Presti, Silvia Rizzato, Simona Sennato, Alessandra Zizzari, Valentina Arima, Antonio De Santis, Chiara Rovelli, Silvio Morganti, Matthias Auf der Maur, Marianna Testa

Advanced Materials Technologies· Volume 8· Issue 14
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Source abstract

Abstract

Abstract The organometal halide perovskites (OMHP) are promising candidates for fast, sensitive, and large area photodetectors. In the last decade, several techniques have been developed with complementary advantages. Film devices are thin and can be scaled to large area, but have a large number of grain‐boundaries related defects. Single bulk crystals instead have higher purity, but are thicker and can not be easily produced on large areas. In this work, a microfluidics‐assisted technique to realize a controlled growth of OMHP single crystals, in the form of microwires, directly on a conductive patterned substrates, is presented. This technique enables the realization of vertical devices with a pixelated sensor layer. The resulting devices present gain, a responsivity up to 200 AW−1 and a fast rise time down to 35 µs. This is the first demonstration of a OMHP vertical device realized on a patterned substrate using microfluidics‐assisted techniques.
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Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties · Organic Electronics and Photovoltaics

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

Affiliations

NANOTEC‐CNR, Institute of Nanotechnology, Soft and Living Matter Laboratory, c/o Physics Dept. Sapienza Università di Roma Piazzale A. Moro 2 I‐00185 Rome Italy

Department of Electronic Engineering University of Rome Tor Vergata Via Politecnico 1 00133 Rome Italy

NANOTEC‐CNR, Institute of Nanotechnology, c/o Campus Ecotekne University of Salento Via Monteroni I‐73100 Lecce Italy

Department of Chemistry Università degli Studi di Milano Via Golgi 19 20133 Milano Italy

ISC‐CNR, Institute for Complex Systems, c/o Physics Dept Sapienza Università di Roma Piazzale Aldo Moro 2 I‐00185 Rome Italy

INFN Laboratori Nazionali di Frascati via E. Fermi 54 00044 Frascati (RM) Italy

INFN Sez. di Roma, c/o Department of Physics Sapienza Università di Roma P.le Aldo Moro 2 00185 Rome Italy

Funding

Istituto Nazionale di Fisica Nucleare

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